Protein C
Porphyrins
A group of compounds containing the porphin structure, four pyrrole rings connected by methine bridges in a cyclic configuration to which a variety of side chains are attached. The nature of the side chain is indicated by a prefix, as uroporphyrin, hematoporphyrin, etc. The porphyrins, in combination with iron, form the heme component in biologically significant compounds such as hemoglobin and myoglobin.
Oncogene Proteins v-sis
Oncogene Protein tpr-met
Oncogene Protein v-maf
Protein C Deficiency
Oncogene Protein gp140(v-fms)
Transforming glycoprotein coded by the fms oncogene from the Susan McDonough strain of feline sarcoma virus (SM-FeSV). The oncogene protein v-fms lacks sequences, which, in the highly homologous proto-oncogene protein c-fms (CSF-1 receptor), normally serve to regulate its tyrosine kinase activity. The missing sequences in v-fms mimic the effect of ligand and lead to constitutive cell growth. The protein gp120(v-fms) is post-translationally modified to generate gp140(v-fms).
Oncogene Proteins v-mos
Protein C Inhibitor
Oncogene Protein p55(v-myc)
Oncogene Protein p65(gag-jun)
Oncogene Proteins v-raf
Oncogene Proteins v-fos
Transforming proteins coded by fos oncogenes. These proteins have been found in the Finkel-Biskis-Jinkins (FBJ-MSV) and Finkel-Biskis-Reilly (FBR-MSV) murine sarcoma viruses which induce osteogenic sarcomas in mice. The FBJ-MSV v-fos gene encodes a p55-kDa protein and the FBR-MSV v-fos gene encodes a p75-kDa fusion protein.
Activated Protein C Resistance
Oncogene Protein v-crk
Oncogene Proteins v-myb
Oncogene Protein v-cbl
Oncogene Proteins v-erbB
Oncogene Proteins v-abl
Oncogenes
Genes whose gain-of-function alterations lead to NEOPLASTIC CELL TRANSFORMATION. They include, for example, genes for activators or stimulators of CELL PROLIFERATION such as growth factors, growth factor receptors, protein kinases, signal transducers, nuclear phosphoproteins, and transcription factors. A prefix of "v-" before oncogene symbols indicates oncogenes captured and transmitted by RETROVIRUSES; the prefix "c-" before the gene symbol of an oncogene indicates it is the cellular homolog (PROTO-ONCOGENES) of a v-oncogene.
Oncogene Proteins v-rel
Protein S
Oncogene Proteins v-erbA
Transforming proteins encoded by erbA oncogenes from the avian erythroblastosis virus. They are truncated versions of c-erbA, the thyroid hormone receptor (RECEPTORS, THYROID HORMONE) that have retained both the DNA-binding and hormone-binding domains. Mutations in the hormone-binding domains abolish the transcriptional activation function. v-erbA acts as a dominant repressor of c-erbA, inducing transformation by disinhibiting proliferation.
Thrombomodulin
Oncogene Proteins
Oncogene Protein p21(ras)
Transforming protein encoded by ras oncogenes. Point mutations in the cellular ras gene (c-ras) can also result in a mutant p21 protein that can transform mammalian cells. Oncogene protein p21(ras) has been directly implicated in human neoplasms, perhaps accounting for as much as 15-20% of all human tumors. This enzyme was formerly listed as EC 3.6.1.47.
Proto-Oncogene Proteins c-akt
Blood Coagulation Factors
Pulmonary Surfactant-Associated Protein C
A pulmonary surfactant associated protein that plays a role in alveolar stability by lowering the surface tension at the air-liquid interface. It is a membrane-bound protein that constitutes 1-2% of the pulmonary surfactant mass. Pulmonary surfactant-associated protein C is one of the most hydrophobic peptides yet isolated and contains an alpha-helical domain with a central poly-valine segment that binds to phospholipid bilayers.
Oncogene Protein v-akt
Factor V
Oncogene Protein pp60(v-src)
A tyrosine-specific protein kinase encoded by the v-src oncogene of ROUS SARCOMA VIRUS. The transforming activity of pp60(v-src) depends on both the lack of a critical carboxy-terminal tyrosine phosphorylation site at position 527, and the attachment of pp60(v-src) to the plasma membrane which is accomplished by myristylation of its N-terminal glycine.
Factor Va
Oncogene Proteins, Viral
Blood Coagulation
Genes, ras
Family of retrovirus-associated DNA sequences (ras) originally isolated from Harvey (H-ras, Ha-ras, rasH) and Kirsten (K-ras, Ki-ras, rasK) murine sarcoma viruses. Ras genes are widely conserved among animal species and sequences corresponding to both H-ras and K-ras genes have been detected in human, avian, murine, and non-vertebrate genomes. The closely related N-ras gene has been detected in human neuroblastoma and sarcoma cell lines. All genes of the family have a similar exon-intron structure and each encodes a p21 protein.
Oncogene Proteins, Fusion
Cell Transformation, Neoplastic
Prothrombin
Proto-Oncogene Proteins
Signal Transduction
The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway.
Protein S Deficiency
An autosomal dominant disorder showing decreased levels of plasma protein S antigen or activity, associated with venous thrombosis and pulmonary embolism. PROTEIN S is a vitamin K-dependent plasma protein that inhibits blood clotting by serving as a cofactor for activated PROTEIN C (also a vitamin K-dependent protein), and the clinical manifestations of its deficiency are virtually identical to those of protein C deficiency. Treatment with heparin for acute thrombotic processes is usually followed by maintenance administration of coumarin drugs for the prevention of recurrent thrombosis. (From Harrison's Principles of Internal Medicine, 12th ed, p1511; Wintrobe's Clinical Hematology, 9th ed, p1523)
Phosphatidylinositol 3-Kinases
Phosphotransferases that catalyzes the conversion of 1-phosphatidylinositol to 1-phosphatidylinositol 3-phosphate. Many members of this enzyme class are involved in RECEPTOR MEDIATED SIGNAL TRANSDUCTION and regulation of vesicular transport with the cell. Phosphatidylinositol 3-Kinases have been classified both according to their substrate specificity and their mode of action within the cell.
Receptors, Cell Surface
Cell surface proteins that bind signalling molecules external to the cell with high affinity and convert this extracellular event into one or more intracellular signals that alter the behavior of the target cell (From Alberts, Molecular Biology of the Cell, 2nd ed, pp693-5). Cell surface receptors, unlike enzymes, do not chemically alter their ligands.
Molecular Sequence Data
Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories.
Enzyme Activation
Receptors, Thrombin
A family of proteinase-activated receptors that are specific for THROMBIN. They are found primarily on PLATELETS and on ENDOTHELIAL CELLS. Activation of thrombin receptors occurs through the proteolytic action of THROMBIN, which cleaves the N-terminal peptide from the receptor to reveal a new N-terminal peptide that is a cryptic ligand for the receptor. The receptors signal through HETEROTRIMERIC GTP-BINDING PROTEINS. Small synthetic peptides that contain the unmasked N-terminal peptide sequence can also activate the receptor in the absence of proteolytic activity.
Thrombophilia
Phosphorylation
Blood Coagulation Disorders
Mutation
Base Sequence
Amino Acid Sequence
Partial Thromboplastin Time
The time required for the appearance of FIBRIN strands following the mixing of PLASMA with phospholipid platelet substitute (e.g., crude cephalins, soybean phosphatides). It is a test of the intrinsic pathway (factors VIII, IX, XI, and XII) and the common pathway (fibrinogen, prothrombin, factors V and X) of BLOOD COAGULATION. It is used as a screening test and to monitor HEPARIN therapy.
Receptor, PAR-1
Protein-Serine-Threonine Kinases
Apoptosis
One of the mechanisms by which CELL DEATH occurs (compare with NECROSIS and AUTOPHAGOCYTOSIS). Apoptosis is the mechanism responsible for the physiological deletion of cells and appears to be intrinsically programmed. It is characterized by distinctive morphologic changes in the nucleus and cytoplasm, chromatin cleavage at regularly spaced sites, and the endonucleolytic cleavage of genomic DNA; (DNA FRAGMENTATION); at internucleosomal sites. This mode of cell death serves as a balance to mitosis in regulating the size of animal tissues and in mediating pathologic processes associated with tumor growth.
Transfection
Factor Xa
1-Carboxyglutamic Acid
Glycoproteins
Cells, Cultured
Proto-Oncogenes
Disseminated Intravascular Coagulation
Gene Expression Regulation, Neoplastic
Protein Binding
Antithrombin III
Factor V Deficiency
Genes, myc
Family of retrovirus-associated DNA sequences (myc) originally isolated from an avian myelocytomatosis virus. The proto-oncogene myc (c-myc) codes for a nuclear protein which is involved in nucleic acid metabolism and in mediating the cellular response to growth factors. Truncation of the first exon, which appears to regulate c-myc expression, is crucial for tumorigenicity. The human c-myc gene is located at 8q24 on the long arm of chromosome 8.
Factor X
Proto-Oncogene Proteins c-myc
Proto-Oncogene Proteins p21(ras)
RNA, Messenger
RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.
Gene Amplification
A selective increase in the number of copies of a gene coding for a specific protein without a proportional increase in other genes. It occurs naturally via the excision of a copy of the repeating sequence from the chromosome and its extrachromosomal replication in a plasmid, or via the production of an RNA transcript of the entire repeating sequence of ribosomal RNA followed by the reverse transcription of the molecule to produce an additional copy of the original DNA sequence. Laboratory techniques have been introduced for inducing disproportional replication by unequal crossing over, uptake of DNA from lysed cells, or generation of extrachromosomal sequences from rolling circle replication.
Antithrombins
Binding Sites
Retroviridae Proteins, Oncogenic
Hemostasis
Sepsis
Systemic inflammatory response syndrome with a proven or suspected infectious etiology. When sepsis is associated with organ dysfunction distant from the site of infection, it is called severe sepsis. When sepsis is accompanied by HYPOTENSION despite adequate fluid infusion, it is called SEPTIC SHOCK.
Blotting, Western
Carrier Proteins
Factor VIIIa
Activated form of factor VIII. The B-domain of factor VIII is proteolytically cleaved by thrombin to form factor VIIIa. Factor VIIIa exists as a non-covalent dimer in a metal-linked (probably calcium) complex and functions as a cofactor in the enzymatic activation of factor X by factor IXa. Factor VIIIa is similar in structure and generation to factor Va.
Cell Line, Transformed
Gene Expression Regulation
Tumor Cells, Cultured
Mice, Transgenic
Purpura Fulminans
Antithrombin III Deficiency
TOR Serine-Threonine Kinases
A serine threonine kinase that controls a wide range of growth-related cellular processes. The protein is referred to as the target of RAPAMYCIN due to the discovery that SIROLIMUS (commonly known as rapamycin) forms an inhibitory complex with TACROLIMUS BINDING PROTEIN 1A that blocks the action of its enzymatic activity.
PTEN Phosphohydrolase
A lipid phosphatase that acts on phosphatidylinositol-3,4,5-trisphosphate to regulate various SIGNAL TRANSDUCTION PATHWAYS. It modulates CELL GROWTH PROCESSES; CELL MIGRATION; and APOPTOSIS. Mutations in PTEN are associated with COWDEN DISEASE and PROTEUS SYNDROME as well as NEOPLASTIC CELL TRANSFORMATION.
Thromboplastin
Point Mutation
Cell Transformation, Viral
Transcription Factors
Transcription, Genetic
Gene Expression
RNA, Small Interfering
Small double-stranded, non-protein coding RNAs (21-31 nucleotides) involved in GENE SILENCING functions, especially RNA INTERFERENCE (RNAi). Endogenously, siRNAs are generated from dsRNAs (RNA, DOUBLE-STRANDED) by the same ribonuclease, Dicer, that generates miRNAs (MICRORNAS). The perfect match of the siRNAs' antisense strand to their target RNAs mediates RNAi by siRNA-guided RNA cleavage. siRNAs fall into different classes including trans-acting siRNA (tasiRNA), repeat-associated RNA (rasiRNA), small-scan RNA (scnRNA), and Piwi protein-interacting RNA (piRNA) and have different specific gene silencing functions.
Cell Division
ras Proteins
Small, monomeric GTP-binding proteins encoded by ras genes (GENES, RAS). The protooncogene-derived protein, PROTO-ONCOGENE PROTEIN P21(RAS), plays a role in normal cellular growth, differentiation and development. The oncogene-derived protein (ONCOGENE PROTEIN P21(RAS)) can play a role in aberrant cellular regulation during neoplastic cell transformation (CELL TRANSFORMATION, NEOPLASTIC). This enzyme was formerly listed as EC 3.6.1.47.
Nuclear Proteins
Down-Regulation
Factor VIIa
Mice, Nude
Proteolipids
Protein-lipid combinations abundant in brain tissue, but also present in a wide variety of animal and plant tissues. In contrast to lipoproteins, they are insoluble in water, but soluble in a chloroform-methanol mixture. The protein moiety has a high content of hydrophobic amino acids. The associated lipids consist of a mixture of GLYCEROPHOSPHATES; CEREBROSIDES; and SULFOGLYCOSPHINGOLIPIDS; while lipoproteins contain PHOSPHOLIPIDS; CHOLESTEROL; and TRIGLYCERIDES.
Vitamin K
A lipid cofactor that is required for normal blood clotting. Several forms of vitamin K have been identified: VITAMIN K 1 (phytomenadione) derived from plants, VITAMIN K 2 (menaquinone) from bacteria, and synthetic naphthoquinone provitamins, VITAMIN K 3 (menadione). Vitamin K 3 provitamins, after being alkylated in vivo, exhibit the antifibrinolytic activity of vitamin K. Green leafy vegetables, liver, cheese, butter, and egg yolk are good sources of vitamin K.
DNA-Binding Proteins
Blood Coagulation Factor Inhibitors
Substances, usually endogenous, that act as inhibitors of blood coagulation. They may affect one or multiple enzymes throughout the process. As a group, they also inhibit enzymes involved in processes other than blood coagulation, such as those from the complement system, fibrinolytic enzyme system, blood cells, and bacteria.
Fibroblasts
Endothelium, Vascular
Coagulation Protein Disorders
Receptor, erbB-2
A cell surface protein-tyrosine kinase receptor that is overexpressed in a variety of ADENOCARCINOMAS. It has extensive homology to and heterodimerizes with the EGF RECEPTOR, the ERBB-3 RECEPTOR, and the ERBB-4 RECEPTOR. Activation of the erbB-2 receptor occurs through heterodimer formation with a ligand-bound erbB receptor family member.
Promoter Regions, Genetic
Pulmonary Surfactants
Immunohistochemistry
Genes, erbB-2
The erbB-2 gene is a proto-oncogene that codes for the erbB-2 receptor (RECEPTOR, ERBB-2), a protein with structural features similar to the epidermal growth factor receptor. Its name originates from the viral oncogene homolog (v-erbB) which is a truncated form of the chicken erbB gene found in the avian erythroblastosis virus. Overexpression and amplification of the gene is associated with a significant number of adenocarcinomas. The human c-erbB-2 gene is located at 17q21.2.
Factor VII
Protein-Tyrosine Kinases
Enzyme Inhibitors
3T3 Cells
Cell lines whose original growing procedure consisted being transferred (T) every 3 days and plated at 300,000 cells per plate (J Cell Biol 17:299-313, 1963). Lines have been developed using several different strains of mice. Tissues are usually fibroblasts derived from mouse embryos but other types and sources have been developed as well. The 3T3 lines are valuable in vitro host systems for oncogenic virus transformation studies, since 3T3 cells possess a high sensitivity to CONTACT INHIBITION.
Phenotype
Reverse Transcriptase Polymerase Chain Reaction
DNA
A deoxyribonucleotide polymer that is the primary genetic material of all cells. Eukaryotic and prokaryotic organisms normally contain DNA in a double-stranded state, yet several important biological processes transiently involve single-stranded regions. DNA, which consists of a polysugar-phosphate backbone possessing projections of purines (adenine and guanine) and pyrimidines (thymine and cytosine), forms a double helix that is held together by hydrogen bonds between these purines and pyrimidines (adenine to thymine and guanine to cytosine).
Models, Biological
Glycogen Synthase Kinase 3
Carboxypeptidase U
A metallocarboxypeptidase that removes C-terminal lysine and arginine from biologically active peptides and proteins thereby regulating their activity. It is a zinc enzyme with no preference shown for lysine over arginine. Pro-carboxypeptidase U in human plasma is activated by thrombin or plasmin during clotting to form the unstable carboxypeptidase U.
Heparin
A highly acidic mucopolysaccharide formed of equal parts of sulfated D-glucosamine and D-glucuronic acid with sulfaminic bridges. The molecular weight ranges from six to twenty thousand. Heparin occurs in and is obtained from liver, lung, mast cells, etc., of vertebrates. Its function is unknown, but it is used to prevent blood clotting in vivo and vitro, in the form of many different salts.
RNA Interference
A gene silencing phenomenon whereby specific dsRNAs (RNA, DOUBLE-STRANDED) trigger the degradation of homologous mRNA (RNA, MESSENGER). The specific dsRNAs are processed into SMALL INTERFERING RNA (siRNA) which serves as a guide for cleavage of the homologous mRNA in the RNA-INDUCED SILENCING COMPLEX. DNA METHYLATION may also be triggered during this process.
Thromboembolism
Cloning, Molecular
Immunoblotting
Cattle
Thrombin Time
Clotting time of PLASMA mixed with a THROMBIN solution. It is a measure of the conversion of FIBRINOGEN to FIBRIN, which is prolonged by AFIBRINOGENEMIA, abnormal fibrinogen, or the presence of inhibitory substances, e.g., fibrin-fibrinogen degradation products, or HEPARIN. BATROXOBIN, a thrombin-like enzyme unaffected by the presence of heparin, may be used in place of thrombin.
Cell Survival
Factor VIII
Blood-coagulation factor VIII. Antihemophilic factor that is part of the factor VIII/von Willebrand factor complex. Factor VIII is produced in the liver and acts in the intrinsic pathway of blood coagulation. It serves as a cofactor in factor X activation and this action is markedly enhanced by small amounts of thrombin.
Protein Structure, Tertiary
The level of protein structure in which combinations of secondary protein structures (alpha helices, beta sheets, loop regions, and motifs) pack together to form folded shapes called domains. Disulfide bridges between cysteines in two different parts of the polypeptide chain along with other interactions between the chains play a role in the formation and stabilization of tertiary structure. Small proteins usually consist of only one domain but larger proteins may contain a number of domains connected by segments of polypeptide chain which lack regular secondary structure.
Up-Regulation
DNA Primers
Lupus Coagulation Inhibitor
An antiphospholipid antibody found in association with systemic lupus erythematosus (LUPUS ERYTHEMATOSUS, SYSTEMIC;), ANTIPHOSPHOLIPID SYNDROME; and in a variety of other diseases as well as in healthy individuals. In vitro, the antibody interferes with the conversion of prothrombin to thrombin and prolongs the partial thromboplastin time. In vivo, it exerts a procoagulant effect resulting in thrombosis mainly in the larger veins and arteries. It further causes obstetrical complications, including fetal death and spontaneous abortion, as well as a variety of hematologic and neurologic complications.
Tumor Suppressor Protein p53
Antigens, CD
Differentiation antigens residing on mammalian leukocytes. CD stands for cluster of differentiation, which refers to groups of monoclonal antibodies that show similar reactivity with certain subpopulations of antigens of a particular lineage or differentiation stage. The subpopulations of antigens are also known by the same CD designation.
Endothelial Cells
Highly specialized EPITHELIAL CELLS that line the HEART; BLOOD VESSELS; and lymph vessels, forming the ENDOTHELIUM. They are polygonal in shape and joined together by TIGHT JUNCTIONS. The tight junctions allow for variable permeability to specific macromolecules that are transported across the endothelial layer.
Blood Proteins
Cell Differentiation
Polymerase Chain Reaction
In vitro method for producing large amounts of specific DNA or RNA fragments of defined length and sequence from small amounts of short oligonucleotide flanking sequences (primers). The essential steps include thermal denaturation of the double-stranded target molecules, annealing of the primers to their complementary sequences, and extension of the annealed primers by enzymatic synthesis with DNA polymerase. The reaction is efficient, specific, and extremely sensitive. Uses for the reaction include disease diagnosis, detection of difficult-to-isolate pathogens, mutation analysis, genetic testing, DNA sequencing, and analyzing evolutionary relationships.
Translocation, Genetic
MAP Kinase Signaling System
An intracellular signaling system involving the MAP kinase cascades (three-membered protein kinase cascades). Various upstream activators, which act in response to extracellular stimuli, trigger the cascades by activating the first member of a cascade, MAP KINASE KINASE KINASES; (MAPKKKs). Activated MAPKKKs phosphorylate MITOGEN-ACTIVATED PROTEIN KINASE KINASES which in turn phosphorylate the MITOGEN-ACTIVATED PROTEIN KINASES; (MAPKs). The MAPKs then act on various downstream targets to affect gene expression. In mammals, there are several distinct MAP kinase pathways including the ERK (extracellular signal-regulated kinase) pathway, the SAPK/JNK (stress-activated protein kinase/c-jun kinase) pathway, and the p38 kinase pathway. There is some sharing of components among the pathways depending on which stimulus originates activation of the cascade.
Intracellular signalling: PDK1--a kinase at the hub of things. (1/12568)
Phosphoinositide-dependent kinase 1 (PDK1) is at the hub of many signalling pathways, activating PKB and PKC isoenzymes, as well as p70 S6 kinase and perhaps PKA. PDK1 action is determined by colocalization with substrate and by target site availability, features that may enable it to operate in both resting and stimulated cells. (+info)Myogenic signaling of phosphatidylinositol 3-kinase requires the serine-threonine kinase Akt/protein kinase B. (2/12568)
The oncogene p3k, coding for a constitutively active form of phosphatidylinositol 3-kinase (PI 3-kinase), strongly activates myogenic differentiation. Inhibition of endogenous PI 3-kinase activity with the specific inhibitor LY294002, or with dominant-negative mutants of PI 3-kinase, interferes with myotube formation and with the expression of muscle-specific proteins. Here we demonstrate that a downstream target of PI 3-kinase, serine-threonine kinase Akt, plays an important role in myogenic differentiation. Expression of constitutively active forms of Akt dramatically enhances myotube formation and expression of the muscle-specific proteins MyoD, creatine kinase, myosin heavy chain, and desmin. Transdominant negative forms of Akt inhibit myotube formation and the expression of muscle-specific proteins. The inhibition of myotube formation and the reduced expression of muscle-specific proteins caused by the PI 3-kinase inhibitor LY294002 are completely reversed by constitutively active forms of Akt. Wild-type cellular Akt effects a partial reversal of LY294002-induced inhibition of myogenic differentiation. This result suggests that Akt can substitute for PI 3-kinase in the stimulation of myogenesis; Akt may be an essential downstream component of PI 3-kinase-induced muscle differentiation. (+info)Regulation of G1 progression by the PTEN tumor suppressor protein is linked to inhibition of the phosphatidylinositol 3-kinase/Akt pathway. (3/12568)
PTEN/MMAC1 is a tumor suppressor gene located on chromosome 10q23. Inherited PTEN/MMAC1 mutations are associated with a cancer predisposition syndrome known as Cowden's disease. Somatic mutation of PTEN has been found in a number of malignancies, including glioblastoma, melanoma, and carcinoma of the prostate and endometrium. The protein product (PTEN) encodes a dual-specificity protein phosphatase and in addition can dephosphorylate certain lipid substrates. Herein, we show that PTEN protein induces a G1 block when reconstituted in PTEN-null cells. A PTEN mutant associated with Cowden's disease (PTEN;G129E) has protein phosphatase activity yet is defective in dephosphorylating inositol 1,3,4,5-tetrakisphosphate in vitro and fails to arrest cells in G1. These data suggest a link between induction of a cell-cycle block by PTEN and its ability to dephosphorylate, in vivo, phosphatidylinositol 3,4,5-trisphosphate. In keeping with this notion, PTEN can inhibit the phosphatidylinositol 3,4, 5-trisphosphate-dependent Akt kinase, a downstream target of phosphatidylinositol 3-kinase, and constitutively active, but not wild-type, Akt overrides a PTEN G1 arrest. Finally, tumor cells lacking PTEN contain high levels of activated Akt, suggesting that PTEN is necessary for the appropriate regulation of the phosphatidylinositol 3-kinase/Akt pathway. (+info)Akt-dependent potentiation of L channels by insulin-like growth factor-1 is required for neuronal survival. (4/12568)
The insulin-like growth factor-1 (IGF-1)/receptor tyrosine kinase recently has been shown to mediate neuronal survival and potentiate the activity of specific calcium channel subtypes; survival requires Akt, a serine/threonine kinase. We demonstrate here that Akt mediates the IGF-1-induced potentiation of L channel currents, but not that of N channels. Transient expression of wild-type, dominant-negative, and constitutively active forms of Akt in cerebellar granule neurons causes, respectively, no change in IGF-1/L channel potentiation, complete inhibition of potentiation, and a dramatic increase in basal L currents accompanied by the loss of ability to induce further increases. In no case is the IGF-1 potentiation of N currents affected. We additionally find that IGF-1 partially mediates granule neuron survival via L channel activity and that Akt-dependent L channel modulation is a necessary component. Interestingly, very brief exposure (1 min) to IGF-1 triggers nearly complete survival and requires L channel activity. These results strongly suggest that neuronal receptor tyrosine kinases can control long-term calcium-dependent processes via the rapid control of voltage-sensitive channels. (+info)Hyperglycemia inhibits insulin activation of Akt/protein kinase B but not phosphatidylinositol 3-kinase in rat skeletal muscle. (5/12568)
Sustained hyperglycemia impairs insulin-stimulated glucose utilization in the skeletal muscle of both humans and experimental animals--a phenomenon referred to clinically as glucose toxicity. To study how this occurs, a model was developed in which hyperglycemia produces insulin resistance in vitro. Rat extensor digitorum longus muscles were preincubated for 4 h in Krebs-Henseleit solution containing glucose or glucose + insulin at various concentrations, after which insulin action was studied. Preincubation with 25 mmol/l glucose + insulin (10 mU/ml) led to a 70% decrease in the ability of insulin (10 mU/ml) to stimulate glucose incorporation into glycogen and a 30% decrease in 2-deoxyglucose (2-DG) uptake, compared with muscles incubated with 0 mmol/l glucose. Glucose incorporation into lipid and its oxidation to CO2 were marginally diminished, if at all. The alterations of glycogen synthesis and 2-DG uptake were first evident after 1 h and were maximal after 2 h of preincubation; they were not observed in muscles preincubated with 25 mmol/l glucose + insulin for 5 min. Preincubation for 4 h with 25 mmol/l glucose in the absence of insulin produced a similar although somewhat smaller decrease in insulin-stimulated glycogen synthesis; however, it did not alter 2-DG uptake, glucose oxidation to CO2, or incorporation into lipids. Studies of insulin signaling in the latter muscles revealed that activation of Akt/protein kinase B (PKB) was diminished by 60%, compared with that of muscles preincubated in a glucose-free medium; whereas activation of phosphatidylinositol (PI) 3-kinase, an upstream regulator of Akt/PKB in the insulin-signaling cascade, and of mitogen-activated protein (MAP) kinase, a parallel signal, was unaffected. Immunoblots demonstrated that this was not due to a change in Akt/PKB abundance. The results indicate that hyperglycemia-induced insulin resistance can be studied in rat skeletal muscle in vitro. They suggest that impairment of insulin action in these muscles is related to inhibition of Akt/PKB by events that do not affect PI 3-kinase. (+info)Muscle fiber type-specific defects in insulin signal transduction to glucose transport in diabetic GK rats. (6/12568)
To determine whether defects in the insulin signal transduction pathway to glucose transport occur in a muscle fiber type-specific manner, post-receptor insulin-signaling events were assessed in oxidative (soleus) and glycolytic (extensor digitorum longus [EDL]) skeletal muscle from Wistar or diabetic GK rats. In soleus muscle from GK rats, maximal insulin-stimulated (120 nmol/l) glucose transport was significantly decreased, compared with that of Wistar rats. In EDL muscle from GK rats, maximal insulin-stimulated glucose transport was normal, while the submaximal response was reduced compared with that of Wistar rats. We next treated diabetic GK rats with phlorizin for 4 weeks to determine whether restoration of glycemia would lead to improved insulin signal transduction. Phlorizin treatment of GK rats resulted in full restoration of insulin-stimulated glucose transport in soleus and EDL muscle. In soleus muscle from GK rats, submaximal and maximal insulin-stimulated insulin receptor substrate (IRS)-1 tyrosine phosphorylation and IRS-1-associated phosphatidylinositol (PI) 3-kinase activity were markedly reduced, compared with that of Wistar rats, but only submaximal insulin-stimulated PI 3-kinase was restored after phlorizin treatment. In EDL muscle, insulin-stimulated IRS-1 tyrosine phosphorylation and IRS-1-associated PI-3 kinase were not altered between GK and Wistar rats. Maximal insulin-stimulated Akt (protein kinase B) kinase activity is decreased in soleus muscle from GK rats and restored upon normalization of glycemia (Krook et al., Diabetes 46:2100-2114, 1997). Here, we show that in EDL muscle from GK rats, maximal insulin-stimulated Akt kinase activity is also impaired and restored to Wistar rat levels after phlorizin treatment. In conclusion, functional defects in IRS-1 and PI 3-kinase in skeletal muscle from diabetic GK rats are fiber-type-specific, with alterations observed in oxidative, but not glycolytic, muscle. Furthermore, regardless of muscle fiber type, downstream steps to PI 3-kinase (i.e., Akt and glucose transport) are sensitive to changes in the level of glycemia. (+info)Protein kinase Czeta is a negative regulator of protein kinase B activity. (7/12568)
Protein kinase B (PKB), also known as Akt or RAC-PK, is a serine/threonine kinase that can be activated by growth factors via phosphatidylinositol 3-kinase. In this article we show that PKCzeta but not PKCalpha and PKCdelta can co-immunoprecipitate PKB from CHO cell lysates. Association of PKB with PKCzeta was also found in COS-1 cells transiently expressing PKB and PKCzeta, and moreover we found that this association is mediated by the AH domain of PKB. Stimulation of COS-1 cells with platelet-derived growth factor (PDGF) resulted in a decrease in the PKB-PKCzeta interaction. The use of kinase-inactive mutants of both kinases revealed that dissociation of the complex depends upon PKB activity. Analysis of the activities of the interacting kinases showed that PDGF-induced activation of PKCzeta was not affected by co-expression of PKB. However, both PDGF- and p110-CAAX-induced activation of PKB were significantly abolished in cells co-expressing PKCzeta. In contrast, co-expression of a kinase-dead PKCzeta mutant showed an increased induction of PKB activity upon PDGF treatment. Downstream signaling of PKB, such as the inhibition of glycogen synthase kinase-3, was also reduced by co-expression of PKCzeta. A clear inhibitory effect of PKCzeta was found on the constitutively active double PKB mutant (T308D/S473D). In summary, our results demonstrate that PKB interacts with PKCzeta in vivo and that PKCzeta acts as a negative regulator of PKB. (+info)A human protein kinase Bgamma with regulatory phosphorylation sites in the activation loop and in the C-terminal hydrophobic domain. (8/12568)
We have cloned human protein kinase Bgamma (PKBgamma) and found that it contains two regulatory phosphorylation sites, Thr305 and Ser472, which correspond to Thr308 and Ser473 of PKBalpha. Thus it differs significantly from the previously published rat PKBgamma. We have also isolated a similar clone from a mouse cDNA library. In human tissues, PKBgamma is widely expressed as two transcripts. A mutational analysis of the two regulatory sites of human PKBgamma showed that phosphorylation of both sites, occurring in a phosphoinositide 3-kinase-dependent manner, is required for full activity. Our results suggest that the two phosphorylation sites act in concert to produce full activation of PKBgamma, similar to PKBalpha. This contrasts with rat PKBgamma, which is thought to be regulated by 3-phosphoinositide-dependent protein kinase 1 alone. (+info)
Insulin-Stimulated Akt Kinase Activity Is Reduced in Skeletal Muscle From NIDDM Subjects | Diabetes
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Ser197
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AKT-Induced Tamoxifen Resistance Is Overturned by RRM2 Inhibition | Molecular Cancer Research
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Regulation of insulin action by ceramide: Dual mechanisms linking ceramide accumulation to the inhibition of Akt/protein kinase...
The PTEN/MMAC1 Tumor Suppressor Induces Cell Death That Is Rescued by the AKT/Protein Kinase B Oncogene | Cancer Research
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A Homogeneous Assay to Quantify Endogenous AKT Phosphorylation in Human Umbilical Vein Endothelial Cells | SelectScience
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List of MeSH codes (D12.776)
... proto-oncogene proteins c-abl MeSH D12.776.624.664.700.168 - proto-oncogene proteins c-akt MeSH D12.776.624.664.700.169 - proto ... proto-oncogene proteins c-bcr MeSH D12.776.624.664.700.172 - proto-oncogene proteins c-cbl MeSH D12.776.624.664.700.174 - proto ... proto-oncogene proteins c-fes MeSH D12.776.624.664.700.179 - proto-oncogene proteins c-fos MeSH D12.776.624.664.700.180 - proto ... proto-oncogene proteins c-hck MeSH D12.776.624.664.700.182 - proto-oncogene proteins c-jun MeSH D12.776.624.664.700.183 - proto ...
Nuclear receptor coactivator 3
... activating mutations in the proto-oncogene tyrosine-protein kinase Src, etc.) that lead to persistent activation of ERK and/or ... Ferrero M, Avivar A, García-Macías MC, Font de Mora J (July 2008). "Phosphoinositide 3-kinase/AKT signaling can promote AIB1 ... The nuclear receptor coactivator 3 also known as NCOA3 is a protein that, in humans, is encoded by the NCOA3 gene. NCOA3 is ... The ratio of PAX2 to AIB-1 protein expression may be predictive of the effectiveness of tamoxifen in breast cancer treatment. ...
Lipofibromatosis
... the BRAF and ROS1 genes code for serine/threonine-protein kinase B-Raf and proto-oncogene tyrosine-protein kinase, respectively ... and RET proto-oncogene receptor, respectively, all of which activate the PI3K/AKT/mTOR pathway; 2) ... Excessive activation of the PI3K/AKT/mTOR pathway is known to promote the development of various tumor types and may be ... "RBM27 RNA binding motif protein 27 [Homo sapiens (Human)] - Gene - NCBI". "TPR translocated promoter region, nuclear basket ...
TCL1 MTCP1 protein domain
Laine J, Künstle G, Obata T, Sha M, Noguchi M (2000). "The protooncogene TCL1 is an Akt kinase coactivator". Mol Cell. 6 (2): ... They are, T-cell leukemia/lymphoma protein 1A TCL1A encoded by oncogene TCL-1 SWISSPROT and Protein p13 MTCP-1 encoded by MTCP- ... In molecular biology, TCL-1/MTCP-1 is a protein domain found in proteins encoded for by two related protooncogenes, other words ... This protein exists as a homodimer. It interacts with AKT1, AKT2 and AKT3 via the PH protein domain. It interacts with PNPT1; ...
Proto-oncogene tyrosine-protein kinase Src
Src (gene) has been shown to interact with the following signaling pathways: PI3K Akt IKK NFkB Caspase 9 STAT3 p38 MAPK VEGF IL ... Proto-oncogene tyrosine-protein kinase Src, also known as proto-oncogene c-Src, or simply c-Src (cellular Src; pronounced "sarc ... Proto-oncogene tyrosine-protein kinase Src) at the PDBe-KB. Portal: Biology (Articles with short description, Short description ... This proto-oncogene may play a role in the regulation of embryonic development and cell growth. When src is activated, it ...
Glial cell line-derived neurotrophic factor
The mature form of the protein is a ligand for the product of the RET (rearranged during transfection) protooncogene. In ... it is received by RET proto-oncogene (RET) and by forming gradient with SCF it divides the spermatogonia into two cells. As the ... GDNF has the ability to activate the ERK-1 and ERK-2 isoforms of MAP kinase in sympathetic neurons as well as P13K/AKT pathways ... GDNF is synthesized as a 211 amino acid-long protein precursor, pro-GDNF. The pre-sequence leads the protein to the endoplasmic ...
Basic leucine zipper and W2 domain-containing protein 2
It found that upregulation of BZW2 promoted tumor growth and had a downstream upregulation effect on c-Myc, a proto-oncogene. A ... overexpression of BZW2 lead to overactivation of the AKT/mTOR signaling pathway by increasing phosphorylation of AKT and mTOR. ... "Protein BLAST: search protein databases using a protein query". blast.ncbi.nlm.nih.gov. Retrieved 2020-07-31. Koonin EV (August ... The coded protein is 419 amino acids long and weighs 48.3 kDa. As described in the name, the protein contains a leucine-zipper ...
Acute myeloblastic leukemia with maturation
Mdm2 is a proto-oncogene that directly antagonizes p53 to ubiquitination (Figure 1). The p53 protein is known as the "guardian ... The Akt/PKB signaling is a pathway that is pro-survival and growth. By activating Mdm2, the signal transduction pathway will ... The fusion protein AML1-ETO is commonly found in acute myeloid leukemia patients. p14ARF is a well known tumor suppressor that ... The decrease of AML1-ETO also results in lower levels of C-KIT kinases, Akt/PKB, STAT3, and Erk1/2 - all of which are involved ...
Alectinib
... and the RET proto-oncogene. The active metabolite M4 has similar activity against ALK. Inhibition of ALK subsequently blocks ... Plasma protein binding of alectinib and M4 is over 99%. The enzyme mainly responsible for alectinib metabolism is CYP3A4; other ... cell signalling pathways, including STAT3 and the PI3K/AKT/mTOR pathway, and induces death (apoptosis) of tumour cells. When ... Interactions via other CYP enzymes and transporter proteins cannot be excluded but are unlikely to be of clinical significance ...
Imatinib
... is specific for the TK domain in abl (the Abelson proto-oncogene), c-kit and PDGF-R (platelet-derived growth factor ... The PI/PI3K/AKT/BCL-2 pathway is also affected. BCL-2 is responsible for keeping the mitochondria stable; this suppresses cell ... Imatinib is highly plasma protein-bound: dialysis is unlikely to be helpful removing imatinib. Its use is advised against in ... In vitro studies identified that a modified version of imatinib can bind to gamma-secretase activating protein (GSAP). GSAP ...
Platelet-derived growth factor
Proto-Oncogene+Proteins+c-sis at the US National Library of Medicine Medical Subject Headings (MeSH) McKinnon RD, Matsui T, ... Song G, Ouyang G, Bao S (2005). "The activation of Akt/PKB signaling pathway and cell survival". J. Cell. Mol. Med. 9 (1): 59- ... McClintock JT, Chan IJ, Thaker SR, Katial A, Taub FE, Aotaki-Keen AE, Hjelmeland LM (1992). "Detection of c-sis proto-oncogene ... The "c-Sis" oncogene is derived from PDGF. Age related downregulation of the PDGF receptor on islet beta cells has been ...
CBL (gene)
"The proto-oncogene p120(Cbl) is a downstream substrate of the Hck protein-tyrosine kinase". Biochem. Biophys. Res. Commun. 257 ... "FGFR2-Cbl interaction in lipid rafts triggers attenuation of PI3K/Akt signaling and osteoblast survival". Bone. 42 (6): 1032-9 ... "The adapter type protein CMS/CD2AP binds to the proto-oncogenic protein c-Cbl through a tyrosine phosphorylation-regulated Src ... "The protein product of the c-cbl protooncogene is the 120-kDa tyrosine-phosphorylated protein in Jurkat cells activated via the ...
Geoffrey M. Cooper
More specifically, he focuses on "the roles of proto-oncogene proteins as elements of signal transduction pathways that control ... Regulation of neuronal survival by the Ser/Thr protein kinase Akt. Science 275:661-665. Erhardt, P., Tomaselli, K.J., and ... Identification of COUP-TF as a transcriptional repressor of the c-mos proto-oncogene. J. Biol. Chem. 274:36796-36800. Erhardt, ... Role of translation initiation factor 2B in control of cell survival by the phosphatidylinositol 3-kinase/Akt/glycogen synthase ...
AKT2
This gene is a putative oncogene encoding a protein belonging to the AKT subfamily of serine/threonine kinases that contain SH2 ... Laine J, Künstle G, Obata T, Sha M, Noguchi M (August 2000). "The protooncogene TCL1 is an Akt kinase coactivator". Mol. Cell. ... The encoded protein is a general protein kinase capable of phosphorylating several known proteins. AKT2 has important roles in ... Laine J, Künstle G, Obata T, Sha M, Noguchi M (2000). "The protooncogene TCL1 is an Akt kinase coactivator". Mol. Cell. 6 (2): ...
GRB10
Jahn T, Seipel P, Urschel S, Peschel C, Duyster J (February 2002). "Role for the adaptor protein Grb10 in the activation of Akt ... and RET proto-oncogene. GRCh38: Ensembl release 89: ENSG00000106070 - Ensembl, May 2017 GRCm38: Ensembl release 89: ... Growth factor receptor-bound protein 10 also known as insulin receptor-binding protein Grb-IR is a protein that in humans is ... 1998). "The SH2-containing adapter protein GRB10 interacts with BCR-ABL". Oncogene. 17 (8): 941-8. doi:10.1038/sj.onc.1202024. ...
Diffuse large B-cell lymphoma
... and D-L1 proteins, expression of the MYC, BCL2, MYD88nd, and CREBBP genes, and expression of the PI3K/AKT/mTOR, JAK-STAT, B- ... MYC: This protooncogene's product, Myc, encodes a transcription factor which regulates the expression of other genes whose ... February 2020). "Potent efficacy of MCL-1 inhibitor-based therapies in preclinical models of mantle cell lymphoma". Oncogene. ... Its product, Bcl-2 protein, regulates cellular apoptosis (i.e. survival) by inhibiting the apoptosis-causing proteins, Bcl-2- ...
Protein kinase B
Proto-Oncogene+Proteins+c-akt at the US National Library of Medicine Medical Subject Headings (MeSH) Portal: Biology (Articles ... Akt1 is involved in the PI3K/AKT/mTOR pathway and other signaling pathways.[citation needed] The Akt proteins possess a protein ... Tumor cells that have constantly active Akt may depend on Akt for survival. Therefore, understanding the Akt proteins and their ... Protein kinase B (PKB), also known as Akt, is the collective name of a set of three serine/threonine-specific protein kinases ...
FYN
Proto-oncogene tyrosine-protein kinase Fyn (p59-FYN, Slk, Syn, MGC45350, Gene ID 2534) is an enzyme that in humans is encoded ... Yadav, Vipin; Denning, Mitchell F. (2011-05-01). "Fyn is induced by Ras/PI3K/Akt signaling and is required for enhanced ... By definition as a proto-oncogene, Fyn codes for proteins that help regulate cell growth. Changes in its DNA sequence transform ... SH3 domain-mediated protein-protein interaction blocking drug". Oncogene. 21 (13): 2037-50. doi:10.1038/sj.onc.1205271. PMID ...
Phosphoinositide 3-kinase
Franke TF, Kaplan DR, Cantley LC, Toker A (January 1997). "Direct regulation of the Akt proto-oncogene product by ... Full activation of AKT occurs upon phosphorylation of serine 473 by the TORC2 complex of the mTOR protein kinase. The PI3K/AKT ... Many of these functions relate to the ability of class I PI3Ks to activate protein kinase B (PKB, aka Akt) as in the PI3K/AKT/ ... It has been shown that malignant B cells maintain a "tonic" activity of PI3K/Akt axis via upregulation of an adaptor protein ...
Catenin beta-1
SH3 domain-mediated protein-protein interaction blocking drug". Oncogene. 21 (13): 2037-2050. doi:10.1038/sj.onc.1205271. PMID ... Beta-catenin is a proto-oncogene. Mutations of this gene are commonly found in a variety of cancers: in primary hepatocellular ... These changes were coordinate with Akt activation and glycogen synthase kinase 3β inhibition, suggesting once again that the ... DIX domains are unique: the only other proteins known to have a DIX domain are Dishevelled and DIXDC1. (The single Dsh protein ...
PIK3R1
Shigematsu H, Iwasaki H, Otsuka T, Ohno Y, Arima F, Niho Y (1997). "Role of the vav proto-oncogene product (Vav) in ... tyrosine kinase receptors and Src homology 3 domain proteins". Oncogene. 10 (8): 1475-83. PMID 7537362. Kapeller R, Toker A, ... Hellyer NJ, Kim MS, Koland JG (2001). "Heregulin-dependent activation of phosphoinositide 3-kinase and Akt via the ErbB2/ErbB3 ... Protein Pept. Sci. 5 (1): 1-8. doi:10.2174/1389203043486955. PMID 14965316. Joseph AM, Kumar M, Mitra D (2005). "Nef: " ...
C-Met
Proto-Oncogene+Proteins+c-met at the US National Library of Medicine Medical Subject Headings (MeSH) UniProtKB/Swiss-Prot entry ... PI3K activation also triggers a survival signal due to activation of the AKT pathway. The STAT pathway, together with the ... MET proto-oncogene (GeneID: 4233) has a total length of 125,982 bp, and it is located in the 7q31 locus of chromosome 7. MET is ... "Entrez Gene: MET met proto-oncogene (hepatocyte growth factor receptor)". Dean M, Park M, Le Beau MM, Robins TS, Diaz MO, ...
PAK1
B-Raf proto-oncogene, casein kinase 2-interacting protein 1, and filamin A. Functions of PAK1 are regulated by its ability to ... Zhou GL, Zhuo Y, King CC, Fryer BH, Bokoch GM, Field J (November 2003). "Akt phosphorylation of serine 21 on Pak1 modulates Nck ... ARG-binding protein 2γ, hepatitis B virus X protein, STE20-related kinase adaptor protein α, RhoI, Klotho, N-acetylglucosaminyl ... These proteins serve as targets for the small GTP binding proteins Cdc42 and Rac and have been implicated in a wide range of ...
PSMD2
... as well as a number of proto-oncogenes (Raf, Myc, Myb, Rel, Src, Mos, ABL). The UPS is also involved in the regulation of ... To recognize protein as designated substrate, 19S complex has subunits that are capable to recognize proteins with a special ... These effects of siRNA-mediated PSMD2 inhibition were associated with changes in the balance between phosphorylated AKT and p38 ... Accordingly, misfolded proteins and damaged protein need to be continuously removed to recycle amino acids for new synthesis; ...
CENTG1
"PIKE-A is a proto-oncogene promoting cell growth, transformation and invasion". Oncogene. 26 (34): 4918-27. doi:10.1038/sj.onc. ... Arf-GAP with GTPase, ANK repeat and PH domain-containing protein 2 is a protein that in humans is encoded by the AGAP2 gene. ... Knobbe CB, Trampe-Kieslich A, Reifenberger G (2005). "Genetic alteration and expression of the phosphoinositol-3-kinase/Akt ... Werden SJ, Barrett JW, Wang G, Stanford MM, McFadden G (2007). "M-T5, the ankyrin repeat, host range protein of myxoma virus, ...
MAP3K8
Aoki M, Hamada F, Sugimoto T, Sumida S, Akiyama T, Toyoshima K (Oct 1993). "The human cot proto-oncogene encodes two protein ... Kane LP, Mollenauer MN, Xu Z, Turck CW, Weiss A (Aug 2002). "Akt-dependent phosphorylation specifically regulates Cot induction ... "Identification and characterization of protein products of the cot oncogene with serine kinase activity". Oncogene. 6 (9): 1515 ... Lin X, Cunningham ET, Mu Y, Geleziunas R, Greene WC (Feb 1999). "The proto-oncogene Cot kinase participates in CD3/CD28 ...
HER2
... which is a proto-oncogene associated with breast, testicular germ cell, gastric, and esophageal tumours. HER2 proteins have ... Signaling pathways activated by HER2 include: mitogen-activated protein kinase (MAPK) phosphoinositide 3-kinase (PI3K/Akt) ... ERBB2, a known proto-oncogene, is located at the long arm of human chromosome 17 (17q12). The ErbB family consists of four ... ERBB is abbreviated from erythroblastic oncogene B, a gene originally isolated from the avian genome. The human protein is also ...
Nerve growth factor
Crowder RJ, Freeman RS (Apr 1998). "Phosphatidylinositol 3-kinase and Akt protein kinase are necessary and sufficient for the ... "Tyrosine phosphorylation and tyrosine kinase activity of the trk proto-oncogene product induced by NGF". Nature. 350 (6314): ... Both Akt and RSK, components of the PI3K-Akt and MAPK pathways respectively, act to phosphorylate the cyclic AMP response ... The active Ras protein phosphorylates several proteins, along with the serine/threonine kinase, Raf. Raf in turn activates the ...
ETS2
... "ets-2 is a target for an akt (Protein kinase B)/jun N-terminal kinase signaling pathway in macrophages of motheaten-viable ... "Characterization and localization of the products of the human homologs of the v-ets oncogene". Oncogene. 2 (2): 99-103. PMID ... "Regulation of transcription of the human presenilin-1 gene by ets transcription factors and the p53 protooncogene". The Journal ... Protein C-ETS2 is a protein that in humans is encoded by the ETS2 gene. The protein encoded by this gene belongs to the ETS ...
PTPN11
These data suggests that Shp2 may be a proto-oncogene. However, it has been reported that PTPN11/Shp2 can act as either tumor ... Akt PLCG2, PTK2B, Ras SLAMF1, SOCS3, SOS1, STAT3, STAT5A, and STAT5B. CagA is a protein and virulence factor inserted by ... "Induced direct binding of the adapter protein Nck to the GTPase-activating protein-associated protein p62 by epidermal growth ... PTPN11 is a protein tyrosine phosphatase (PTP) Shp2. PTPN11 is a member of the protein tyrosine phosphatase (PTP) family. PTPs ...
MECOM
EVI1 is a proto-oncogene conserved across humans, mice, and rats, sharing 91% homology in nucleotide sequence and 94% homology ... MDS1 and EVI1 complex locus protein EVI1 (MECOM) also known as ecotropic virus integration site 1 protein homolog (EVI-1) or ... and taxol-mediated cell death via PI3K/AKT". Oncogene. 25 (25): 3565-75. doi:10.1038/sj.onc.1209403. PMID 16462766. Alliston T ... EVI1 has been described as a proto-oncogene since its first discovery in 1988. Overexpression and aberrant expression of EVI1 ...
Exon junction complex
Alexiadis V, Waldmann T, Andersen J, Mann M, Knippers R, Gruss C (2000). "The protein encoded by the proto-oncogene DEK changes ... The binding of these proteins to nuclear speckled domains has been measured recently and it may be regulated by PI3K/AKT/mTOR ... These proteins are the most important components of the NMD mechanism. The EJC protein MAGOH, Y14 and eIF4AIII provide a ... EJC also interacts with a large number of additional proteins; most notably SR proteins. These interactions are suggested to be ...
STK3
In many types of cancers, the proto-oncogene c-Raf binds to the SARAH domain of MST2 and prevents RASSF1A-mediated MST2 ... and phosphorylation of the highly conserved Thr117 by Akt (protein kinase B), blocking autophosphorylation of Thr180, MST2 ... Serine/threonine-protein kinase 3 is an enzyme that in humans is encoded by the STK3 gene. Protein kinase activation is a ... "Role of the kinase MST2 in suppression of apoptosis by the proto-oncogene product Raf-1". Science. 306 (5705): 2267-70. doi: ...
SKP2
... and Fbxos containing either different protein-protein interaction modules or no recognizable motifs. The protein encoded by ... Akt activation by Skp2 is linked to aerobic glycolysis, as Skp2 deficiency impairs Akt activation, Glut1 expression, and ... Skp2 behaves as an oncogene in cell systems and is an established protooncogene causally involved in the pathogenesis of ... and evidence suggests that Skp2 plays a proto-oncogenic role both in vitro and in vivo. Skp2 overexpression has been seen in: ...
Fibroblast growth factor receptor 1
Phospholipase C/PI3K/AKT, b) Ras subfamily/ERK, c) Protein kinase C, d) IP3-induced raising of cytosolic Ca2+, and e) Ca2+/ ... they are therefore classified as proto-oncogenes. FGFR1 is a member of the fibroblast growth factor receptor (FGFR) family, ... These proteins have continuously active FGFR1-derived tyrosine kinase and thereby continuously stimulated the cell growth and ... FGF-induced activation of FGFR1 also stimulates the activation of sprouty proteins SPRY1, SPRY2, SPRY3, and/or SPRY4 which in ...
Lewis C. Cantley
Franke TF, Kaplan DR, Cantley LC, Toker A (January 1997). "Direct regulation of the Akt proto-oncogene product by ... This approach was used to characterize the substrate specificity of a large number of protein kinases. The kinase specificity ... They discovered that the Pleckstrin Homology domain of AKT binds to PtdIns(3,4,5)P3 (and PtdIns(3,4)P2) and that this binding ... They further demonstrated that tuberin/TSC2 is a critical substrate of AKT, and together with the laboratory of John Blenis ...
Wnt signaling pathway
When Wnt1 was discovered, it was first identified as a proto-oncogene in a mouse model for breast cancer. The fact that Wnt1 is ... Dsh proteins are present in all organisms and they all share the following highly conserved protein domains: an amino-terminal ... β-catenin may be directly phosphorylated at Ser552 by Akt, which causes its disassociation from cell-cell contacts and ... They identified a new mouse proto-oncogene that they named int1 (integration 1). Int1 is highly conserved across multiple ...
Lung cancer
Mutations in the K-ras proto-oncogene contribute to roughly 10-30% of lung adenocarcinomas. Nearly 4% of non-small-cell lung ... New approaches target protein or glycoprotein markers that are specific to the stem cells. Such markers include CD133, CD90, ... This may occur through the activation of signaling pathways such as Akt/GSK3Beta, MEK-ERK, Fas, and Par6. Smoking prevention ... Up to 7% of those with NSCLC harbor mutations that result in hyperactive ALK protein, which can be treated with ALK inhibitors ...
C2orf16
... has been shown to have a physical interaction with proto-oncogene Myc by tandem affinity purification. 68 orthologs are ... C2orf16 is a protein that in humans is encoded by the C2orf16 gene. Isoform 2 of this protein (NCBI ID: CAH18189.1 henceforth ... "Akt inhibitors MK-2206 and nelfinavir overcome mTOR inhibitor resistance in diffuse large B-cell lymphoma". Clinical Cancer ... "hypothetical protein [Homo sapiens] - Protein - NCBI". www.ncbi.nlm.nih.gov. Retrieved 2019-05-02. "C2orf16 Gene". GeneCards ...
KIT (gene)
Proto-oncogene c-KIT is the gene encoding the receptor tyrosine kinase protein known as tyrosine-protein kinase KIT, CD117 ( ... Jahn T, Seipel P, Urschel S, Peschel C, Duyster J (February 2002). "Role for the adaptor protein Grb10 in the activation of Akt ... KIT is a proto-oncogene, meaning that overexpression or mutations of this protein can lead to cancer. Seminomas, a subtype of ... Proto-Oncogene+Proteins+c-kit at the US National Library of Medicine Medical Subject Headings (MeSH) C-kit receptor entry in ...
Maddika Subba Reddy
"WD Repeat Protein WDR48 in Complex with Deubiquitinase USP12 Suppresses Akt-dependent Cell Survival Signaling by Stabilizing PH ... "PNUTS Functions as a Proto-Oncogene by Sequestering PTEN". Cancer Research. 73 (1): 205-214. doi:10.1158/0008-5472.CAN-12-1394 ... The team led by Reddy is credited with the identification of NEDD4-like E3 ubiquitin-protein ligase WWP2, an E3 ligase, as a ... "Protein promise for cancer". Nature India. 2011-05-04. doi:10.1038/nindia.2011.65. "Subbareddy Maddika - Google Scholar ...
C-Raf
RAF proto-oncogene serine/threonine-protein kinase, also known as proto-oncogene c-RAF or simply c-Raf or even Raf-1, is an ... Zimmermann S, Moelling K (November 1999). "Phosphorylation and regulation of Raf by Akt (protein kinase B)". Science. 286 (5445 ... RAF proto-oncogene serine/threonine-protein kinase) at the PDBe-KB. Portal: Biology (Articles with short description, Short ... "The small GTP-binding protein, Rhes, regulates signal transduction from G protein-coupled receptors". Oncogene. 23 (2): 559-68 ...
PELP-1
PELP1 is a proto-oncogene that provides cancer cells with a distinct growth and survival advantage. PELP1 interacts with ... The PELP1 protein encodes a protein of 1130 amino acids, and exhibits both cytoplasmic and nuclear localization depending on ... Altered localization of PLP1 contributes to tamoxifen resistance via excessive activation of the AKT pathway and cytoplasmic ... PELP1 is a proto-oncogene that provides cancer cells with a distinct growth and survival advantage. PELP1 overexpression has ...
BCL6
"Novel BTB/POZ domain zinc-finger protein, LRF, is a potential target of the LAZ-3/BCL-6 oncogene". Oncogene. 18 (2): 365-75. ... Jardin F, Ruminy P, Bastard C, Tilly H (February 2007). "The BCL6 proto-oncogene: a leading role during germinal center ... "Quantitative Proteomics Reveals that miR-155 Regulates the PI3K-AKT Pathway in Diffuse Large B-Cell Lymphoma". The American ... "Colocalization and heteromerization between the two human oncogene POZ/zinc finger proteins, LAZ3 (BCL6) and PLZF". Oncogene. ...
NEDD4
... may be hijacked by viral proteins (for example, by UL56 from Herpes simplex virus 2, or by protein VP40 from Ebola virus ... Fan CD, Lum MA, Xu C, Black JD, Wang X (2013). "Ubiquitin-dependent regulation of phospho-AKT dynamics by the ubiquitin E3 ... Oncogene. 34 (9): 1105-15. doi:10.1038/onc.2014.56. PMID 24662824. S2CID 28296461. Lin Q, Wang J, Childress C, Sudol M, Carey ... "NEDD4-1 is a proto-oncogenic ubiquitin ligase for PTEN". Cell. 128 (1): 129-39. doi:10.1016/j.cell.2006.11.039. PMC 1828909. ...
"Proto-Oncogene Proteins c-akt/*metabolism" | Glembotski...
"Proto-Oncogene Proteins c-akt/*metabolism". Regulation of cardiac hypertrophic signaling by prolyl isomerase Pin1.. RATIONALE: ... Although Akt is known to be a crucial signaling protein in the myocardium, the role of Pim-1 has been overlooked. Pim-1 ... Pim-1 regulates cardiomyocyte survival downstream of Akt.. The serine-threonine kinases Pim-1 and Akt regulate cellular ... selectively dephosphorylates Akt at Ser473 and terminates Akt signaling in cancer cells. The regulatory role of PHLPP-1 in the ...
DKK3 knockdown confers negative effects on the malignant potency of head and neck squamous cell carcinoma cells via the PI3K...
... related protein 3 (DKK3), which is a member of the Dickkopf WNT signaling pathway inhibitor family, is considered to be a tumor ... Proto-Oncogene Proteins c-akt / genetics * Proto-Oncogene Proteins c-akt / metabolism* ... In addition, in HSC‑3 shDKK3 cells, the expression levels of phosphorylated (p)‑protein kinase B (Akt) (Ser473), p‑ ... Keywords: head and neck squamous cell carcinoma; Dickkopfrelated protein 3; phosphoinositide 3-kinase; protein kinase B; ...
Biblio | Page 2 | Linus Pauling Institute | Oregon State University
Proto-Oncogene Proteins c-akt. Zhang W-J, Wei H, Hagen T, Frei B. 2007. Alpha-lipoic acid attenuates LPS-induced inflammatory ... Protein Phosphatase 2. Smith AR, Visioli F, Frei B, Hagen TM. 2006. Age-related changes in endothelial nitric oxide synthase ... Protein Structure, Tertiary. Sowell J, Frei B, Stevens JF. 2004. Vitamin C conjugates of genotoxic lipid peroxidation products ... Protein Conformation. Sowell J, Frei B, Stevens JF. 2004. Vitamin C conjugates of genotoxic lipid peroxidation products: ...
Onur Dagliyan, Ph.D. | Harvard Catalyst Profiles | Harvard Catalyst
Proton pump inhibitors promote the growth of androgen-sensitive prostate cancer cells through ErbB2, ERK1/2, PI3K/Akt, GSK-3β...
Proto-Oncogene Proteins c-akt/metabolism, Proton Pump Inhibitors/toxicity, Receptor, ErbB-2/metabolism, Signal Transduction", ... Mitogen-Activated Protein Kinase 1/metabolism, Mitogen-Activated Protein Kinase 3/metabolism, Neoplasms, Hormone-Dependent/ ... Furthermore, OME induced the phosphorylation of MAPK-ERK1/2, PI3K/Akt and GSK-3β, and blunted the expression and activity of ... Furthermore, OME induced the phosphorylation of MAPK-ERK1/2, PI3K/Akt and GSK-3β, and blunted the expression and activity of ...
Glucose-insulin-potassium reduces the incidence of low cardiac output episodes after aortic valve replacement for aortic...
"Differentially activating the oncogenic kinase Akt1" by Nileeka Balasuriya
Phosphorylation of Akt at Thr308 and Ser473 activates the kinase following growth factor stimulation. Delineating specific role ... We found that phosphorylation at Ser473 provided resistance to chemical inhibition by the Akt inhibitor Akti-1/2. Finally, we ... The proto-oncogene Akt/protein kinase B plays a pivotal role in cell growth and survival. ... The proto-oncogene Akt/protein kinase B plays a pivotal role in cell growth and survival. Phosphorylation of Akt at Thr308 and ...
Breast Cancer- It's All in the DNA | IntechOpen
The protein kinase encoded by the Akt proto-oncogene is a target of the PDGF-activated phosphatidylinositol 3-kinase. Cell. ... A proto-oncogene is a normal gene that can convert to an oncogene due to mutations (generally dominant mutations) or increased ... Mutations in proto-oncogene can either create an oncogene or lead to a cascade of inactivation of several more tumor suppressor ... A proto-oncogene can convert into an oncogene due to various reasons including chromosomal translocation (such as BCR-ABL that ...
Higher Risk of Infections with PI3K-AKT-mTOR Pathway Inhibitors in Patients with Advanced Solid Tumors on Phase I Clinical...
Proto-Oncogene Proteins c-akt. dc.subject. Clinical Trials, Phase I as Topic. ... infection when compared with single-agent PI3K-AKT-mTOR inhibitors.Conclusions Inhibitors of the PI3K-AKT-mTOR pathway can be ... Combinations of PI3K-AKT-mTOR inhibitors and cytotoxic chemotherapy significantly increase the risk of infection. This should ... We also collected data from 42 patients who were treated with phase I trials of combinations of PI3K-AKT-mTOR inhibitors and ...
麻醉學科 - 研究成果 - 臺北醫學大學
Proto-Oncogene Proteins c-akt 100% * Genistein 99% * Transcription Factor AP-1 93% ... activator protein-1 and promotes cell mineralisation. Liao, M. H., Tai, Y-T., Cherng, Y-G., Liu, S. H., Chang, Y. A., Lin, P. I ... Genistein induces oestrogen receptor-α gene expression in osteoblasts through the activation of mitogen-activated protein ... Pulsed radiofrequency inhibited activation of spinal mitogen-activated protein kinases and ameliorated early neuropathic pain ...
Drug Discovery Unit - Research Outputs - Discovery - the University of Dundee Research Portal
Proto-Oncogene Proteins c-akt 100% * Catalytic Domain 75% * Protein Kinase C 39% ... Protein kinases, from B to C. Cameron, A. J., De Rycker, M., Calleja, V., Alcor, D., Kjaer, S., Kostelecky, B., Saurin, A., ... Screening a protein kinase inhibitor library against Plasmodium falciparum. Hallyburton, I., Grimaldi, R., Woodland, A., ... Simulation of protein-sugar interactions: A computational model of the complex between ganglioside GM1 and the heat-labile ...
Anti-AKT1 Antibody | Rabbit anti-Human Polyclonal IHC,WB | LSBio
AKT1 , AKT , AKT-1 , C-AKT , Pan-AKT , PKB alpha , PKBalpha , Proto-oncogene c-Akt , Protein kinase B , Rac protein kinase ... Proteins All Proteins Recombinant Proteins Native Proteins Over-Expression Lysates Bio-Active Proteins Animal-Free Proteins ... Site Links Home All Antibodies How To Buy All Proteins Distributors All ELISA & Assay Kits Reviews PathPlus™ Antibodies ... Coronavirus Detection Coronavirus and COVID-19 Inhibitors Coronavirus Antibodies, Proteins, and cDNAs Cytokine Release Syndrome ...
PMID- 21949453
Proto-Oncogene Proteins c-akt/metabolism MH - Proto-Oncogene Proteins c-bcl-2/metabolism MH - Rats MH - Rats, Wistar MH - ... Proto-Oncogene Proteins c-akt) RN - EC 2.7.11.24 (Extracellular Signal-Regulated MAP Kinases) SB - IM MH - Adenoviridae/ ... Other signaling intermediates (protein kinase C, protein kinase G or protein tyrosine kinase (PTK)) either have negative ... Proto-Oncogene Proteins c-bcl-2) RN - 137497-38-2 (midkine) RN - EC 2.7.1.- (Phosphatidylinositol 3-Kinases) RN - EC 2.7.11.1 ( ...
DeCS
akt Proto Oncogene Protein akt Proto-Oncogene Protein c akt Proto Oncogene Protein c-akt Protein c-akt Proto-Oncogene Protein c ... Proto Oncogene Protein Akt Proto Oncogene Protein RAC Proto Oncogene Proteins c akt Proto-Oncogene Protein Akt Proto-Oncogene ... Proto-Oncogene Protein Akt. Proto-Oncogene Protein RAC. Proto-Oncogene Protein, akt. Proto-Oncogene Protein, c-akt. Proto- ... Proto-Oncogene. Proto Oncogene Protein Akt. Proto Oncogene Protein RAC. Proto Oncogene Proteins c akt. Proto Oncogene Proteins ...
AKT1 gene: MedlinePlus Genetics
The AKT1 gene provides instructions for making a protein called AKT1 kinase. Learn about this gene and related health ... protein kinase B alpha. *proto-oncogene c-Akt. *RAC. *rac protein kinase alpha ... The AKT1 gene belongs to a class of genes known as oncogenes. When mutated, oncogenes have the potential to cause normal cells ... The AKT1 gene provides instructions for making a protein called AKT1 kinase. This protein is found in various cell types ...
解剖学 - 研究成果 - Keio University
Protein Phosphatase 2 97% * Superoxide Dismutase-1 94% * Proto-Oncogene Proteins c-akt 89% ... A novel Akt/PKB-interacting protein promotes cell adhesion and inhibits familial amyotrophic lateral sclerosis-linked mutant ... A DEAD-box RNA helicase Ddx54 protein in oligodendrocytes is indispensable for myelination in the central nervous system. Zhan ... SOD1-induced neuronal death via inhibition of PP2A-mediated dephosphorylation of Akt/PKB. Nawa, M., Kanekura, K., Hashimoto, Y. ...
Phosphatidylinositol 3-kinase (PI3K) inhibitors: a recent update on inhibitor design and clinical trials (2016-2020)<...
Proto-Oncogene Proteins c-akt Medicine & Life Sciences 6% View full fingerprint ... N2 - Introduction: The phosphatidylinositol 3-kinase/protein kinase-B/mammalian target of rapamycin (PI3K/AKT/mTOR) signaling ... AB - Introduction: The phosphatidylinositol 3-kinase/protein kinase-B/mammalian target of rapamycin (PI3K/AKT/mTOR) signaling ... Introduction: The phosphatidylinositol 3-kinase/protein kinase-B/mammalian target of rapamycin (PI3K/AKT/mTOR) signaling ...
Pulmonary Enteric Adenocarcinoma Harboring a BRAF G469V Mutation<...
Proto-Oncogene Proteins c-akt Medicine & Life Sciences 14% View full fingerprint ... Next-generation sequencing of the tumor identified a G469V substitution in serine/threonine-protein kinase B-raf (BRAF). Based ... Next-generation sequencing of the tumor identified a G469V substitution in serine/threonine-protein kinase B-raf (BRAF). Based ... Next-generation sequencing of the tumor identified a G469V substitution in serine/threonine-protein kinase B-raf (BRAF). Based ...
Citations Library | PerkinElmer
Proto-Oncogene Proteins c-akt; Receptor, Insulin; RNA, Small Interfering; Vascular Endothelial Growth Factor A. ... Oncogene. Volume: 29. Products: *Bioware cell lines. Keywords: Animals; Bioware; Cell Line, Tumor; Cell Proliferation; Female; ... Targeting monocyte chemotactic protein-1 synthesis with bindarit induces tumor regression in prostate and breast cancer animal ... Protein-Serine-Threonine Kinases/genetics/*metabolism; Receptors, Transforming Growth Factor beta/genetics/*metabolism; Signal ...
A novel pleckstrin homology domain-containing protein enhances insulin-stimulated Akt phosphorylation and GLUT4 translocation...
Proto-Oncogene Proteins c-akt. dc.subject. Ribosomal Protein S6 Kinases, 70-kDa. ... p,Protein kinase B/Akt protein kinases control an array of diverse functions, including cell growth, survival, proliferation, ... Protein kinase B/Akt protein kinases control an array of diverse functions, including cell growth, survival, proliferation, and ... These results indicate that PHLDB1 is a novel modulator of Akt protein kinase activation by insulin.,/p,. ...
The PI3K Pathway at the Crossroads of Cancer and the Immune System: Strategies for Next Generation Immunotherapy Combinations.
Proto-Oncogene Proteins c-akt. Phosphatidylinositol 3-Kinase. TOR Serine-Threonine Kinases ... The phosphoinositide 3-kinase (PI3K)-AKT-mTOR cascade is frequently hyperactivated in cancer, and plays an integral role in ... transaminitis and pneumonitis and the increased incidence of infections with the majority of agents that target the PI3K-AKT- ...
Search Results | Anesthesiology | American Society of Anesthesiologists
Daily exposure to di(2-ethylhexyl) phthalate alters estrous cyclicity and accelerates primordial follicle recruitment...
W.B.M. de Lau - Fingerprint - Royal Netherlands Academy of Arts and Sciences (KNAW)
A novel role of c-FLIP protein in regulation of ER stress response<...
Membrane Proteins, Mice, Mouse embryonic fibroblast, Protein-Serine-Threonine Kinases, Proto-Oncogene Proteins c-akt, Signal ... Membrane Proteins, Mice, Mouse embryonic fibroblast, Protein-Serine-Threonine Kinases, Proto-Oncogene Proteins c-akt, Signal ... Importantly, the AKT inhibitor or dominant negative AKT transfection sensitizes c-FLIP. -/- cells to ER stress-induced cell ... Importantly, the AKT inhibitor or dominant negative AKT transfection sensitizes c-FLIP. -/- cells to ER stress-induced cell ...
Eph receptor B2 (EPHB2) regulates cancer stem cell-like properties in hepatocellular carcinoma - Lim - Stem Cell Investigation
EPHB2, Eph receptor B2; SRC, proto-oncogene tyrosine-protein kinase Src; AKT, protein kinase B; GSK3β, glycogen synthase kinase ... Mechanistically, EPHB2 was shown to bind and phosphorylate SRC, leading to the activation of AKT/GSK3β/β-catenin signaling axis ... Left panel) EPHB2 tyrosine kinase receptor binds and activates SRC, activating a downstream AKT/GSK3β/β-catenin signaling axis ... Importantly, silencing EPHB2 in NRAS/AKT-induced HCC mouse models showed greater efficacy in suppressing tumor growth when ...
Cardiac expression of human type 2 iodothyronine deiodinase increases glucose metabolism and protects against doxorubicin...
Mid-gestation ovine cardiomyocytes are vulnerable to mitotic suppression by thyroid hormone<...
Proto-Oncogene Proteins c-akt Medicine & Life Sciences 19% * Extracellular Signal-Regulated MAP Kinases Medicine & Life ... 5-Tri-iodo-l-thyronine stimulated phosphorylation of extracellular signal-regulated kinase and AKT (also known as Protein ... 5-Tri-iodo-l-thyronine stimulated phosphorylation of extracellular signal-regulated kinase and AKT (also known as Protein ... 5-Tri-iodo-l-thyronine stimulated phosphorylation of extracellular signal-regulated kinase and AKT (also known as Protein ...
PhosphorylationSignal TransductionKinasesPI3KSignaling pathwayApoptosisPathwaysExpression of a constitutively activeMetabolismGenesInhibitor MK-2206InhibitionSerineAKT1MTORPhosphoinositideInducesEndothelial nitric oSer473CellularRegulatesTransfectionMammalianTumorsRegulationRegulateViralEnhancesSynthesisSurvivalDescriptorPIM1AntiapoptoticActivation
Phosphorylation18
- Furthermore, phosphorylation of mechanistic target of rapamycin (mTOR) (Ser2448) was slightly decreased in HSC‑3 shDKK3 cells, which may be due to the increased expression of DEP domain‑containing mTOR‑interacting protein. (nih.gov)
- Furthermore, OME induced the phosphorylation of MAPK-ERK1/2, PI3K/Akt and GSK-3β, and blunted the expression and activity of cellular prostatic acid phosphatase. (elsevier.com)
- Phosphorylation of Akt at Thr308 and Ser473 activates the kinase following growth factor stimulation. (uwo.ca)
- We found that phosphorylation at Ser473 provided resistance to chemical inhibition by the Akt inhibitor Akti-1/2. (uwo.ca)
- Protein-serine-threonine kinases that contain PLECKSTRIN HOMOLOGY DOMAINS and are activated by PHOSPHORYLATION in response to GROWTH FACTORS or INSULIN . (bvsalud.org)
- Depletion of PHLDB1 by siRNA inhibited insulin stimulation of Akt phosphorylation but not tyrosine phosphorylation of IRS-1. (umassmed.edu)
- Furthermore, adenovirus-mediated expression of PHLDB1 in adipocytes enhanced insulin-stimulated Akt and p70 S6 kinase phosphorylation, as well as GLUT4 translocation. (umassmed.edu)
- 001). 3,3′,5-Tri-iodo-l-thyronine stimulated phosphorylation of extracellular signal-regulated kinase and AKT (also known as Protein Kinase B [PKB]) signaling pathways. (elsevier.com)
- We find that AKT phosphorylation of NPM-Ser48 prevents oligomerization that results in nucleoplasmic localization of ARF, constitutive MDM2 inhibition and stabilization of p53. (ox.ac.uk)
- Left ventricular biopsies were analyzed to assess changes in 5' adenosine monophosphate-activated protein kinase (AMPK), Akt phosphorylation, and protein O-linked β-N-acetylglucosamination (O-GlcNAcylation). (ox.ac.uk)
- These changes were associated with a substantial increase in AMPK and Akt phosphorylation and a significant increase in the O-GlcNAcylation of selected protein bands. (ox.ac.uk)
- This benefit was associated with increased signaling protein phosphorylation and O-GlcNAcylation. (ox.ac.uk)
- Phosphorylation of TBC1D4 triggers the binding of this effector to inhibitory 14-3-3 proteins, which is required for insulin-stimulated glucose transport. (cusabio.com)
- Phosphorylation of GSK3 isoforms by AKT is also thought to be one mechanism by which cell proliferation is driven. (cusabio.com)
- AKT regulates also cell survival via the phosphorylation of MAP3K5 (apoptosis signal-related kinase). (cusabio.com)
- AKT mediates insulin-stimulated protein synthesis by phosphorylating TSC2 at 'Ser-939' and 'Thr-1462', thereby activating mTORC1 signaling and leading to both phosphorylation of 4E-BP1 and in activation of RPS6KB1. (cusabio.com)
- AKT is involved in the phosphorylation of members of the FOXO factors (Forkhead family of transcription factors), leading to binding of 14-3-3 proteins and cytoplasmic localization. (cusabio.com)
- The phosphorylation of CREB1 induces the binding of accessory proteins that are necessary for the transcription of pro-survival genes such as BCL2 and MCL1. (cusabio.com)
Signal Transduction2
- The expression of cell adhesion molecules (ICAM-1and VCAM-1) and the activation of signal transduction pathways (nuclear factor (NF)-κB, mitogen-activated protein kinases (MAPKs) and protein kinase B (Akt)) in HPDLCs were detected by Western blot analysis. (tokushima-u.ac.jp)
- These findings indicate that nobiletin could inhibit inflammatory reactions in IL-1β-stimulated HPDLCs by inhibiting multiple signal transduction pathways, including NF-κB, MAPKs, and Akt. (tokushima-u.ac.jp)
Kinases4
- The serine-threonine kinases Pim-1 and Akt regulate cellular proliferation and survival. (glembotskilab.org)
- Protein kinase B/Akt protein kinases control an array of diverse functions, including cell growth, survival, proliferation, and metabolism. (umassmed.edu)
- AKT1 is one of 3 closely related serine/threonine-protein kinases (AKT1, AKT2 and AKT3) called the AKT kinase, and which regulate many processes including metabolism, proliferation, cell survival, growth and angiogenesis. (cusabio.com)
- Protein Serine-threonine kinases that phosphorylate the 63-kDa subunit of AMP-ACTIVATED PROTEIN KINASES . (nih.gov)
PI3K14
- In addition, in HSC‑3 shDKK3 cells, the expression levels of phosphorylated (p)‑protein kinase B (Akt) (Ser473), p‑phosphoinositide 3‑kinase (PI3K) p85 (Tyr467), p‑PI3K p55 (Try199), p‑3‑phosphoinositide‑dependent protein kinase‑1 (PDK1) (Ser241) and total p38 mitogen‑activated protein kinase (MAPK) were reduced. (nih.gov)
- These data supported the hypothesis and indicated that DKK3 may contribute to the malignant phenotype of HNSCC cells via the PI3K/Akt/mTOR and MAPK signaling pathways. (nih.gov)
- Higher Risk of Infections with PI3K-AKT-mTOR Pathway Inhibitors in Patients with Advanced Solid Tumors on Phase I Clinical Trials. (icr.ac.uk)
- Purpose Novel antitumor therapies against the PI3K-AKT-mTOR pathway are increasingly used to treat cancer, either as single agents or in combination with chemotherapy or other targeted therapies. (icr.ac.uk)
- P = 0.03) infection when compared with single-agent PI3K-AKT-mTOR inhibitors.Conclusions Inhibitors of the PI3K-AKT-mTOR pathway can be associated with a higher risk of infection. (icr.ac.uk)
- Combinations of PI3K-AKT-mTOR inhibitors and cytotoxic chemotherapy significantly increase the risk of infection. (icr.ac.uk)
- This should be taken into consideration during the design and conduct of trials involving PI3K-AKT-mTOR pathway inhibitors, particularly when combined with chemotherapy or myelosuppressive agents. (icr.ac.uk)
- Introduction: The phosphatidylinositol 3-kinase/protein kinase-B/mammalian target of rapamycin (PI3K/AKT/mTOR) signaling pathway plays a central role in regulating cell growth and proliferation and thus has been considered as effective anticancer drug targets. (nebraska.edu)
- ROS1 fusion proteins result in constitutive ROS1 kinase activity leading to upregulation of downstream signaling pathways including MAPK , PI3K / AKT and JAK pathways known to play a role in malignant transformation. (healio.com)
- The phosphoinositide 3-kinase (PI3K)-AKT-mTOR cascade is frequently hyperactivated in cancer, and plays an integral role in many cellular processes including tumour growth and survival and can underlie resistance to therapies. (icr.ac.uk)
- In this review, we first summarize two key learnings from the initial studies of inhibitors of this pathway, including the profile of immune-related adverse events such as colitis, transaminitis and pneumonitis and the increased incidence of infections with the majority of agents that target the PI3K-AKT-mTOR pathway. (icr.ac.uk)
- We demonstrate that AKT and PI3K inhibitors may be effective in treatment of therapeutically resistant tumors with elevated AKT and carrying gain of function mutations in p53. (ox.ac.uk)
- Critically, we propose that combination therapy involving PI3K-AKT inhibitors would benefit from a patient stratification rationale based on ARF and p53(mut) status. (ox.ac.uk)
- Here, we discuss experimental evidence that argues for a critical role of the PI3K-phosphoinositide-dependent protein kinase (PDK1)-protein kinase B (PKB) signaling pathway in the development of both normal and malignant thymocytes, and we highlight molecules that can potentially be targeted therapeutically. (ox.ac.uk)
Signaling pathway4
- Dickkopf‑related protein 3 (DKK3), which is a member of the Dickkopf WNT signaling pathway inhibitor family, is considered to be a tumor suppressor, due to its reduced expression in cancer cells and its ability to induce apoptosis when overexpressed by adenovirus. (nih.gov)
- Alpha-lipoic acid attenuates LPS-induced inflammatory responses by activating the phosphoinositide 3-kinase/Akt signaling pathway. (oregonstate.edu)
- The sonic hedgehog signaling pathway stimulates anaplastic thyroid cancer cell motility and invasiveness by activating Akt and c-Met. (uchicago.edu)
- Williamson AJ, Doscas ME, Ye J, Heiden KB, Xing M, Li Y, Prinz RA, Xu X. The sonic hedgehog signaling pathway stimulates anaplastic thyroid cancer cell motility and invasiveness by activating Akt and c-Met. (uchicago.edu)
Apoptosis4
- Cellular-Flice-like inhibitory protein (c-FLIP) is an apoptosis modulator known to inhibit the extrinsic apoptotic pathway thus blocking Caspase-8 processing in the Death Inducing Signalling Complex (DISC). (unicatt.it)
- In addition, inhibition of Akt enhanced ER stress-induced macrophage apoptosis, and expression of a constitutively active myristoylated Akt blocked the enhancement of ER stress-induced apoptosis that occurred with p38 inhibition in cultured cells. (duke.edu)
- Mechanistically, AGGF1 interacts with TWEAK (tumour necrosis factor-like weak inducer of apoptosis), which reduces interaction between TWEAK and its receptor Fn14 (fibroblast growth factor-inducing protein 14). (bvsalud.org)
- Role of the kinase MST2 in suppression of apoptosis by the proto-oncogene product Raf-1. (idrblab.net)
Pathways4
- This protein is found in various cell types throughout the body, where it plays a critical role in many signaling pathways. (medlineplus.gov)
- Analysis of Unfolded Protein Response (UPR) pathways revealed that Pancreatic ER Kinase (PERK) and Inositol-Requiring Enzyme 1 (IRE1) branch signalling is compromised in c-FLIP. (unicatt.it)
- Moreover, we found that 6-MSITC could suppress signal transducer and activator of transcription (STAT)3, nuclear factor (NF)-κB, and p70S6 kinase (p70S6K)-S6 ribosomal protein (S6) pathways activation in TNF-α-stimulated TR146 cells. (tokushima-u.ac.jp)
- Moreover, we revealed that nobiletin treatment could suppress the activation of the NF-κB, MAPKs, and Akt pathways. (tokushima-u.ac.jp)
Expression of a constitutively active1
- cells to ER stress-induced cell death while the expression of a constitutively active AKT reduces WT cells sensitivity to ER stress-induced death. (unicatt.it)
Metabolism2
- This action results in reactivation of AMP-ACTIVATED PROTEIN KINASE activity and downstream signaling aimed at decreased metabolism. (nih.gov)
- KEGG pathway analysis showed that the proteins were mainly involved in transport and metabolism, immune system, cancer, membrane transport and other processes. (bvsalud.org)
Genes2
- The AKT1 gene belongs to a class of genes known as oncogenes. (medlineplus.gov)
- These mutations are the result of rearrangements of ROS1 with other genes forming fusion proteins. (healio.com)
Inhibitor MK-22061
- Our results show that the clinical candidate AKT inhibitor MK-2206 promotes ARF nucleolar localization, reduced p53(mut) stability and increased sensitivity to ionizing radiation in a xenograft model of pancreatic cancer. (ox.ac.uk)
Inhibition4
- Pharmacological inhibition or genetic ablation of p38 suppressed activation of Akt in cultured macrophages and in atherosclerotic lesions. (duke.edu)
- Tumors with amplification also demonstrated an increase in phospho-p70S6K but had decreased levels of activated phospho-AKT1-3 as assessed by Reverse Phase Protein Arrays and an mRNA signature of MTOR inhibition.CONCLUSIONS: amplification is a strong prognostic marker and a potential marker for the aggressive SCNA-high subgroup of UCEC. (broadinstitute.org)
- AKT regulates also the storage of glucose in the form of glycogen by phosphorylating GSK3A at 'Ser-21' and GSK3B at 'Ser-9', resulting in inhibition of its kinase activity. (cusabio.com)
- It is a natural taxane, and it prevents depolymerization of cellular microtubules, which results in DNA, RNA, and protein synthesis inhibition. (medscape.com)
Serine4
- Next-generation sequencing of the tumor identified a G469V substitution in serine/threonine-protein kinase B-raf (BRAF). (elsevier.com)
- We found that c-FLIP modulates the PERK pathway by interfering with the activity of the serine threonine kinase AKT. (unicatt.it)
- Death-associated protein kinase 1 (DAPK1) is a large multidomain protein with an N-terminal serine/threonine protein kinase domain. (iucr.org)
- Death-associated protein kinase 1 (DAPK1) is a Ca 2+ /calmodulin-regulated serine/threonine protein kinase (CaMK) composed of an N-terminal catalytic kinase domain, a Ca 2+ /calmodulin-binding domain, ankyrin repeats, an Roc/COR domain and a death domain. (iucr.org)
AKT12
- The AKT1 gene provides instructions for making a protein called AKT1 kinase. (medlineplus.gov)
- This mutation changes a single protein building block (amino acid) in AKT1 kinase. (medlineplus.gov)
MTOR1
- Amplification Associates with Aggressive Phenotype but Not Markers of AKT-MTOR Signaling in Endometrial Carcinoma. (broadinstitute.org)
Phosphoinositide1
- PKB/Akt: connecting phosphoinositide 3-kinase to cell survival and beyond. (wikidata.org)
Induces1
- Expression of IpgD, a PtdIns(4,5)P(2) 4-phosphatase induces Src kinase and Akt, but not ERK activation and enhances interleukin II promoter activity in T-cells. (ox.ac.uk)
Endothelial nitric o2
- The cardioprotective effect of a statin and cilostazol combination: relationship to Akt and endothelial nitric oxide synthase activation. (uams.edu)
- Manickavasagam S, Ye Y, Lin Y, Perez-Polo RJ, Huang MH, Lui CY, Hughes MG, McAdoo DJ, Uretsky BF, Birnbaum Y. The cardioprotective effect of a statin and cilostazol combination: relationship to Akt and endothelial nitric oxide synthase activation. (uams.edu)
Ser4731
- RATIONALE: The recently discovered PHLPP-1 (PH domain leucine-rich repeat protein phosphatase-1) selectively dephosphorylates Akt at Ser473 and terminates Akt signaling in cancer cells. (glembotskilab.org)
Cellular1
- Cadmium-induced cell transformation and tumorigenesis are associated with transcriptional activation of c-fos, c-jun and c-myc proto-oncogenes: role of cellular calcium and reactive oxygen species. (cdc.gov)
Regulates4
- PHLPP-1 negatively regulates Akt activity and survival in the heart. (glembotskilab.org)
- Pim-1 regulates cardiomyocyte survival downstream of Akt. (glembotskilab.org)
- AKT regulates NPM dependent ARF localization and p53mut stability in tumors. (ox.ac.uk)
- AKT has an important role in the regulation of NF-kappa-B-dependent gene transcription and positively regulates the activity of CREB1 (cyclic AMP (cAMP)-response element binding protein). (cusabio.com)
Transfection1
- Importantly, the AKT inhibitor or dominant negative AKT transfection sensitizes c-FLIP. (unicatt.it)
Mammalian2
- Regulation of proapoptotic mammalian ste20-like kinase MST2 by the IGF1-Akt pathway. (idrblab.net)
- Protein interaction network of the mammalian Hippo pathway reveals mechanisms of kinase-phosphatase interactions. (idrblab.net)
Tumors1
- Analysis of human tumors indicates that phospho-S48-NPM may be a useful biomarker for monitoring AKT activity and in vivo efficacy of AKT inhibitor treatment. (ox.ac.uk)
Regulation3
- Transforming activity and mitosis-related expression of the AKT2 oncogene: evidence suggesting a link between cell cycle regulation and oncogenesis. (wikidata.org)
- Responses to DNA damage and regulation of cell cycle checkpoints by the ATM protein kinase family. (wikidata.org)
- AKT is responsible of the regulation of glucose uptake by mediating insulin-induced translocation of the SLC2A4/GLUT4 glucose transporter to the cell surface. (cusabio.com)
Regulate2
- The abnormally active protein disrupts a cell's ability to regulate its own growth, allowing the cell to grow and divide abnormally. (medlineplus.gov)
- They also regulate SONIC HEDGEHOG PROTEIN signaling and cell proliferation. (nih.gov)
Viral1
- v-akt protein is the viral homologue of PROTO-ONCOGENE PROTEINS C-AKT. (jefferson.edu)
Enhances2
- We report here the identification of pleckstrin homology-like domain family B member 1 (PHLDB1) as an insulin-responsive protein that enhances Akt activation. (umassmed.edu)
- Adding a carrier protein enhances protein stability, increases shelf-life, and allows the recombinant protein to be stored at a more dilute concentration. (rndsystems.com)
Synthesis1
- AKT phosphorylates 'Ser-454' on ATP citrate lyase (ACLY), thereby potentially regulating ACLY activity and fatty acid synthesis. (cusabio.com)
Survival2
- Atrial natriuretic peptide promotes cardiomyocyte survival by cGMP-dependent nuclear accumulation of zyxin and Akt. (glembotskilab.org)
- The proto-oncogene Akt/protein kinase B plays a pivotal role in cell growth and survival. (uwo.ca)
Descriptor2
- Oncogene Protein v-akt" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (jefferson.edu)
- Proto-Oncogene Proteins c-pim-1" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (uchicago.edu)
PIM11
- Expression of PIM1 protein in chronic lymphocytic leukemia/small lymphocytic lymphoma. (uchicago.edu)
Antiapoptotic1
- Majewski M, Nieborowska-Skorska M, Salomoni P, Slupianek A, Reiss K, Trotta R, Calabretta B, Skorski T. Activation of mitochondrial Raf-1 is involved in the antiapoptotic effects of Akt. (jefferson.edu)
Activation1
- These results indicate that PHLDB1 is a novel modulator of Akt protein kinase activation by insulin. (umassmed.edu)