• Myc is a family of regulator genes and proto-oncogenes that code for transcription factors. (wikipedia.org)
  • The protein product of Myc family genes all belong to the Myc family of transcription factors, which contain bHLH (basic helix-loop-helix) and LZ (leucine zipper) structural motifs. (wikipedia.org)
  • Myc proteins are transcription factors that activate expression of many pro-proliferative genes through binding enhancer box sequences (E-boxes) and recruiting histone acetyltransferases (HATs). (wikipedia.org)
  • The majority of mantle-cell lymphomas are associated with a t(11;14) translocation resulting in overexpression of the CYCLIN D1 gene (GENES, BCL-1). (lookformedical.com)
  • Priming of hepatocytes - activation of genes associated with production of transcription factors, activation of proto-oncogenes (c-fos, c-jun, c-myc), anti-apoptotic genes (p53, p21, BCL-xl). (edu.pl)
  • The existence of G-quadruplex DNA is also heavily implied in the promoter region of genes and oncogenes, and is thus assumed to play an important regulatory role in their transcription [ 26 ]. (hindawi.com)
  • State Key Laboratory for Oncogenes and Related Genes, Key Laboratory of Gastroenterology & Hepatology, Ministry of Health. (medsci.org)
  • Proteins encoded by homeobox genes (GENES, HOMEOBOX) that exhibit structural similarity to certain prokaryotic and eukaryotic DNA-binding proteins. (lookformedical.com)
  • The proteins encoded by homeobox genes are called HOMEODOMAIN PROTEINS. (lookformedical.com)
  • This study aimed to evaluate the expression levels of miR-34a and 11 of its bioinformatically selected target genes and proteins to test their potential dysregulation in RCC. (hindawi.com)
  • An aberrant miRNA expression could contribute to cancer development and progression [ 6 , 7 ] and could affect their target genes that are involved in many biological processes, such as cell differentiation, proliferation, apoptosis, metabolism, and development [ 8 ]. (hindawi.com)
  • 8- 10 In attempts to identify new breast and ovarian cancer susceptibility genes, much research has focused on BRCA1 associated proteins. (bmj.com)
  • The first to be discovered was its capability to drive cell proliferation (upregulates cyclins, downregulates p21), but it also plays a very important role in regulating cell growth (upregulates ribosomal RNA and proteins), apoptosis (downregulates Bcl-2), differentiation, and stem cell self-renewal. (wikipedia.org)
  • Bak BH3 peptides antagonize Bcl-xL function and induce apoptosis through cytochrome c-independent activation of caspases. (lookformedical.com)
  • BH3 mimetics with high affinity for BCL-XL (BCL-XLi) reduce metabolic activity and induce mitochondrial apoptosis in senescent PA cells at nano-molar concentrations. (ibecbarcelona.eu)
  • In B cells, Myc acts as a classical oncogene by regulating a number of pro-proliferative and anti-apoptotic pathways, this also includes tuning of BCR signaling and CD40 signaling in regulation of microRNAs (miR-29, miR-150, miR-17-92). (wikipedia.org)
  • We determined expression of anti-apoptotic BCL-2 members in these models and primary PA. (ibecbarcelona.eu)
  • Dependence of senescent PA cells on anti-apoptotic BCL-2 members was investigated using a comprehensive set of BH3 mimetics. (ibecbarcelona.eu)
  • Both proteins contain anti-death motif, critical for their anti-apoptotic function but the mechanism by which gal-3 exhibits antiapoptotic activity cannot be explained solely on it. (pbkom.eu)
  • These are frequently activated by fusion to other transcriptional proteins resulting in chimeric transcription factors. (stanford.edu)
  • We are studying the effects and consequences of protein fusion on the transcriptional and transforming activities of these proteins using in vitro and animal models. (stanford.edu)
  • We demonstrate here that GSK-3 maintains the MLL leukemia stem cell transcriptional program by promoting the conditional association of CREB and its coactivators TORC and CBP with homedomain protein MEIS1, a critical component of the MLL-subordinate program, which in turn facilitates HOX-mediated transcription and transformation. (stanford.edu)
  • p100 and p105 can however undergo limited proteolysis to generate p52 and p50, respectively, which can form heterodimers with Rel proteins to form transcriptional activators [ 5 ]. (oncotarget.com)
  • The human proto-oncogene STAT3 encodes transcriptional factor that is essential for embryo- genesis, proliferation and differentiation of many cell types, in addition to organ regeneration and involu- tion. (pbkom.eu)
  • BARD1, unlike BRCA1, also contains a centrally located sequence of three ankyrin repeats 11 that are found in many proteins involved in transcriptional regulation. (bmj.com)
  • The overexpression of miRNA‑375 significantly suppressed the levels of protein expression of ubiquitin‑protein ligase E3A (UBE3A) and Insulin‑like growth factor‑1 receptor (IGF‑1R) in HPV‑18(+) cervical cancer cells. (spandidos-publications.com)
  • E6-AP) is an important member of the ubiquitin proteasome system and a type of ubiquitin protein ligase (E3 enzyme) ( 6 ). (spandidos-publications.com)
  • The most frequently discussed example of c-Myc as a proto-oncogene is its implication in Burkitt's lymphoma. (wikipedia.org)
  • The overexpression of miRNA‑375 significantly increased caspase‑3 and caspase‑9 activities, induced B‑cell lymphoma 2 (Bcl‑2)/Bcl‑2‑associated X protein, tumor protein 53 and cyclin‑dependent kinase inhibitor 1 protein expression and suppressed cyclin D1 and survivin protein expression in HPV‑18(+) cervical cancer cells. (spandidos-publications.com)
  • In addition, numerous important cellular proteins, such as B-cell lymphoma-2 homologous antagonist/killer, Myc proto-oncogene protein, cyclin-dependent kinase inhibitor 1B, DNA replication licensing factor MCM-7, retinoblastoma 1 and Annexin A1, are degenerated through the UBE3A-mediated ubiquitin proteasome pathway ( 7 ). (spandidos-publications.com)
  • LPLI-induced cell cycle progression can be regulated by the activation or elevated expressions of cell cycle-specific proteins. (biomedcentral.com)
  • Amplification or over-expression of this oncogene has been shown to play an important role in the development and progression of certain aggressive types of breast cancer . (iiab.me)
  • The bHLH motif allows Myc proteins to bind with DNA, while the leucine zipper TF-binding motif allows dimerization with Max, another bHLH transcription factor. (wikipedia.org)
  • Endogenous substances, usually proteins, which are effective in the initiation, stimulation, or termination of the genetic transcription process. (lookformedical.com)
  • Spliced X-box binding protein-1 (XBP1s) is a protein that belongs to the cAMP-response element-binding (CREB)/activating transcription factor (ATF) b-ZIP family with a basic-region leucine zipper (bZIP). (mdpi.com)
  • 6, 7 BRCA1 interacts with a variety of proteins and is involved in multiple cellular processes including DNA repair, transcription, and checkpoint control. (bmj.com)
  • 26 The suggested role in TP53 dependent apoptotic signalling 27 and interaction with the ankyrin repeats of proto-oncoprotein BCL3, thereby possibly modulating the activity of transcription factor NFKB, 28 represent BRCA1 independent functions of BARD1. (bmj.com)
  • This may include oncomir (oncogenic miRNA) inhibition, or tumor suppressor-miRNA replacement therapies [ 6 , 9 ]. (hindawi.com)
  • A set of twenty-five thioxanthene-9-one and xanthene-9-one derivatives, that were previously shown to inhibit cholinesterases (ChEs) and amyloid β (Aβ40) aggregation, were evaluated for the inhibition of tau protein aggregation. (ibecbarcelona.eu)
  • The first phase comprises mainly functional cell impairments expressed by inhibition of protein and urea synthesis. (pbkom.eu)
  • Closer study of an R-Ras regulated pathway containing the signaling protein ROCK1 showed that inhibition of either R-Ras, R-Ras2 or ROCK1 similarly impaired cellular migration and invasion and altered cellular morphology. (biomedcentral.com)
  • Inhibition of R-Ras/R-Ras2 and ROCK1 signaling also triggered the accumulation of abnormal intracellular vesicles, indicating that these signaling molecules regulate the movement of proteins and other molecules in the cellular interior. (biomedcentral.com)
  • Additionally latest publications have offered structural insights into glutaminase inhibition by using the small substances BPTES and 968 (6-9). (colinsbraincancer.com)
  • What pathways are this gene/protein implicaed in? (cancerindex.org)
  • R-Ras proteins function distinctly from classic Ras proteins by regulating distinct signaling pathways that promote MPNST tumorigenesis by mediating migration and invasion. (biomedcentral.com)
  • We have previously shown that three related Ras proteins (the classic Ras proteins) are highly activated in malignant peripheral nerve sheath tumor (MPNST) cells with neurofibromin loss and that they drive cancer cell proliferation and survival by activating multiple cellular signaling pathways. (biomedcentral.com)
  • We examined the activation of cytoplasmic signaling pathways in the presence and absence of R-Ras signaling and found that R-Ras proteins regulated 13 signaling pathways distinct from those regulated by classic Ras proteins. (biomedcentral.com)
  • Constitutive p50/p65 activity is observed in a large variety of hematological as well as solid tumors [ 6 - 8 ], as a result of an aberrant expression of p50/p65, deletions of the IκBα inhibitor gene or an increased IKK activity [ 9 - 13 ]. (oncotarget.com)
  • Cells were transfected with doxycycline-inducible vectors expressing either a pan-inhibitor of the R-Ras subfamily [dominant negative (DN) R-Ras] or enhanced green fluorescent protein (eGFP). (biomedcentral.com)
  • Moreover we observe that the addition of the GLS1 inhibitor BPTES hampers protein polymerization by stabilizing inactive tetramers. (colinsbraincancer.com)
  • Oncogenic MAPK-signaling drives the majority of cells into oncogene-induced senescence (OIS). (ibecbarcelona.eu)
  • Results Senescent PA cells upregulate BCL-XL upon senescence induction and show dependency on BCL-XL for survival. (ibecbarcelona.eu)
  • The Bcl-2 homology 3 (BH3) domain is crucial for the death-inducing and dimerization properties of pro-apoptotic members of the Bcl-2 protein family, including Bak, Bax, and Bad. (lookformedical.com)
  • This family of proteins comprises two subfamilies that share a DNA-binding and dimerization domain called the Rel homology domain (RHD) [ 4 ] and form homo- or hetero- dimers. (oncotarget.com)
  • Background Pilocytic astrocytoma (PA) is the most common pediatric brain tumor and a mitogen-activated protein kinase (MAPK)-driven disease. (ibecbarcelona.eu)
  • Structure of the EGL-1/CED-9 complex revealed that EGL-1 adopts an extended alpha-helical conformation and induces substantial structural rearrangements in CED-9 upon binding. (nih.gov)
  • It is of fundamental importance in determining PROTEIN CONFORMATION. (lookformedical.com)
  • Hepatocyte growth factor receptor (c-Met), a member of tyrosine protein kinase receptors (TPKR), is phosphorylated during LPLI-induced proliferation, but tumor necrosis factor alpha (TNF-alpha) receptor has not been affected. (biomedcentral.com)
  • Receptor tyrosine-protein kinase erbB-2 , also known as CD340 (cluster of differentiation 340), proto-oncogene Neu , Erbb2 (rodent), or ERBB2 (human), is a protein that in humans is encoded by the ERBB2 gene. (iiab.me)
  • The first subfamily of proteins (c-Rel, RelB, p65/RelA) contains a C-terminal transactivation domain. (oncotarget.com)
  • The second subfamily of proteins (p105 and p100) has a C-terminal region that contains multiple copies of ankyrin repeats, instead of a transactivation domain, and can bind to and inhibit Rel proteins. (oncotarget.com)
  • Neurofibromin loss potentially hyperactivates classic Ras (H-Ras, N-Ras, K-Ras), M-Ras, and R-Ras (R-Ras, R-Ras2/TC21) subfamily proteins. (biomedcentral.com)
  • obs, K. Dystrophin gene mutations that cause DMD result in either the absence of dystrophin protein production or markedly truncated proteins that cannot attach to the transmembrane protein com- plex and are rapidly catabolized. (top5binarybrokers.com)
  • Proteins found in the nucleus of a cell. (lookformedical.com)
  • Do not confuse with NUCLEOPROTEINS which are proteins conjugated with nucleic acids, that are not necessarily present in the nucleus. (lookformedical.com)
  • ERBB is abbreviated from erythroblastic oncogene B, a gene isolated from avian genome. (iiab.me)
  • ErbB-2 was named for its similarity to ErbB (avian erythroblastosis oncogene B), the oncogene later found to code for EGFR. (iiab.me)
  • The structural and functional integrity of this overhang is based on its association with a constellation of specific proteins, some of them belonging to the shelterin complex [ 10 ]. (hindawi.com)
  • γδ T cells express unique T cell receptor (TCR) γ and TCR δ chains, with structural and functional heterogeneity. (explorationpub.com)
  • The phenotype of Bard1 null mice was found to be remarkably similar to that of Brca1 nulls, further emphasising the functional relationship between these two proteins. (bmj.com)
  • Unfortunately, Myc possesses several features that have rendered it difficult to drug to date, such that any anti-cancer drugs aimed at inhibiting Myc may continue to require perturbing the protein indirectly, such as by targeting the mRNA for the protein rather than via a small molecule that targets the protein itself. (wikipedia.org)
  • Myc mRNA contains an IRES (internal ribosome entry site) that allows the RNA to be translated into protein when 5' cap-dependent translation is inhibited, such as during viral infection. (wikipedia.org)
  • AS exposure inhibited Twist and hypoxia-inducible factor-1α (HIF-1α) protein and/or mRNA expression in Twist-overexpressing OECM-1 and FaDu-Twist cells. (bvsalud.org)
  • While mRNA of alfa subunits (HIFs- α) are not altered by exposure to hypoxia, alfa, but not beta, proteins are stabilized by hypoxia. (biomedcentral.com)
  • Two different siRNAs Selleckchem AZD5363 against TRPC1 largely inhibited hypoxia-induced upregulation of VEGF mRNA and protein levels. (interleukinreceptor.com)
  • On the other hand, ALL is caused by excessive proliferation of B or T lymphocyte precursors and accumulation of blast cells in the bone marrow, resulting in the filling of the bone marrow space and finally the suppression of hematopoiesis in the bone marrow, which eventually leads to anemia, thrombocytopenia and becomes neutropenic [ 6 , 7 ]. (springeropen.com)
  • Recently, the signaling proteins involved in LPLI-induced proliferation merit special attention, some of which are regulated by mitochondrial signaling. (biomedcentral.com)
  • Recently, a large number of signaling proteins reported play an important key role in the process of LPLI-induced cell proliferation, probably due to the fact that the molecular events they are involved in are the basic response of the cells to extracellular stimuli. (biomedcentral.com)
  • We have shown that classic Ras proteins promote proliferation and survival, but not migration, in malignant peripheral nerve sheath tumor (MPNST) cells. (biomedcentral.com)
  • We assessed the expression and activation of these proteins in MPNST cells and inhibited them to determine the effect this had on proliferation, migration, invasion, survival and the phosphoproteome. (biomedcentral.com)
  • This is key not only to understand how carcinogenesis appears and develops in these malignancies to be able to early diagnose them, but also to open up the possibility to employ therapeutic strategies targeting a driver protein to counteract the alteration of another connected driver. (biomedcentral.com)
  • The autophagic pathway constitutively maintains cellular homeostasis by recycling cytoplasmic organelles and proteins, but it is also stimulated by environmental stress conditions, such as starvation, oxidative stress, and the accumulation of misfolded proteins. (mdpi.com)
  • They are located in the gating loop as well as at the N and C termini which have been previously shown to be key structural features for enzyme activation (5 12 One specific gating loop mutant GAC.K325A both assembles into the superstructure and shows a 600-fold enhancement in catalytic efficiency toward l-glutamine even in the absence of phosphate. (colinsbraincancer.com)
  • Previous studies have identified that UBE3A exhibits abnormal expression in numerous tumor cells, including prostate, cervical and breast cancer ( 6 , 7 ). (spandidos-publications.com)
  • Conclusions Our data demonstrate that BCL-XL is critical for survival of senescent PA tumor cells and provides proof-of-principle for the use of clinically available BCL-XL-dependent senolytics. (ibecbarcelona.eu)
  • 11 The functionally important BARD1/BRCA1 heterodimer formation is mediated by the RING finger motifs and has also been shown to markedly increase the stability of both proteins. (bmj.com)
  • Mutations in the gene for the antennapedia homeodomain protein are associated with the conversion of antenna to leg or leg to antenna DROSOPHILA. (lookformedical.com)
  • Scope includes mutations and abnormal protein expression. (cancerindex.org)
  • Mutations of the NF1 gene potentially results in the activation of multiple Ras proteins, which are key regulators of many biologic effects. (biomedcentral.com)
  • IκBζ, an atypical member of the nuclear IκB family of proteins, is expressed at low levels in most resting cells, but is induced upon stimulation of Toll-like/IL-1 receptors through an IRAK1/IRAK4/NFκB-dependent pathway. (oncotarget.com)
  • Nevertheless, the composition of the immunologic tumor microenvironment undergoes changes upon radiotherapy, chemotherapy, or even after anti-angiogenic therapy ( 6 ). (frontiersin.org)
  • In contrast, BH3 mimetics without BCL-XLi activity, conventional chemotherapy, and MEK inhibitors show no effect. (ibecbarcelona.eu)
  • Proteins which bind to DNA. (lookformedical.com)
  • The family includes proteins which bind to both double- and single-stranded DNA and also includes specific DNA binding proteins in serum which can be used as markers for malignant diseases. (lookformedical.com)
  • and cell differentiation ( SOX2 and TGFB3 ) as well as immunohistochemical assay for VEGFA, TP53, Bcl2, TGFB1, and Ki67 protein expression have been performed in 85 FFPE RCC tumor specimens. (hindawi.com)
  • The protein encoded by this gene, together with spectrin and actin, constitute the red cell membrane cytoskeletal network. (cancerindex.org)
  • Previous studies established that EBNA3C facilitates degradation of several vital cell cycle regulators, including the retinoblastoma (pRb) and p27(KIP) proteins, by recruitment of the SCF(Skp2) E3 ubiquitin ligase complex. (interleukinreceptor.com)
  • 11 Both proteins possess an N-terminal RING finger motif and two BRCA1 C-terminal (BRCT) domains present in numerous proteins involved in DNA repair and cell cycle regulation. (bmj.com)
  • HER2 is colocalised and most of the time, coamplified with the gene GRB7, which is a proto-oncogene associated with breast, testicular germ cell, gastric, and esophageal tumours. (iiab.me)
  • We now know those structures are very relevant to many critical biological processes like gene regulation, expression of telomerase and telomere maintenance, understanding of growth/oncogenes like C-myc, understanding of organismic development, comprehension of certain enigmatic diseases like ALS and possible new cancer treatments. (anti-agingfirewalls.com)
  • Homeodomain proteins are involved in the control of gene expression during morphogenesis and development (GENE EXPRESSION REGULATION, DEVELOPMENTAL). (lookformedical.com)
  • The advanced pathological grade was associated with strong TGFB1, VEGFA, and Ki67 protein expression and absent Tp53 staining. (hindawi.com)
  • Furthermore, diverse structural alterations have been identified that cause ligand-independent firing of this receptor, doing so in the absence of receptor over-expression. (iiab.me)
  • Proteins in cells with or without DN R-Ras expression were differentially labeled with SILAC and mass spectrometry was used to identify phosphoproteins and determine their relative quantities in the presence and absence of DN R-Ras. (biomedcentral.com)
  • Here, we examined the expression, activation and action of R-Ras proteins in MPNST cells that have lost neurofibromin. (biomedcentral.com)
  • UBE3A is associated with cervical cancer and may combine with the E6 proto-oncogene encoded by HPV16 within cervical cancer cells to form the E6/E6-AP protein complex through the ubiquitin proteasome pathway ( 4 ). (spandidos-publications.com)
  • Next, we showed that the resulting hybrids can differentiate and acquire a proto-neural electrophysiology profile when the Wnt/beta-catenin pathway is activated in the adult stem cells prior fusion. (regenerativemedicine.net)
  • Our studies have demonstrated that several of the proteins encoded by cellular oncogenes function in fundamental aspects of gene regulation. (stanford.edu)
  • ERBB2 , a known proto-oncogene , is located at the long arm of human chromosome 17 (17q12). (iiab.me)
  • Gal-3 shares several significant structural properties with Bcl-2 family. (pbkom.eu)
  • Cinobufagin manufacture Glutaminase C is a key target in this sense (2 4 10 11 and the need for new and accurate biochemical and structural information to speed up and improve the development of successful therapies is therefore essential. (colinsbraincancer.com)
  • Mol Cancer Ther (2008) 7 (6): 1461-1471. (aacrjournals.org)
  • In recent years the protein has become an important biomarker and target of therapy for approximately 30% of breast cancer patients. (iiab.me)
  • loss of neurofibromin could cause these Ras proteins to become persistently active, leading to the development of cancer. (biomedcentral.com)
  • Conversely GAC.R322A also at the gating loop abrogated protein activation and impeded superstructure formation. (colinsbraincancer.com)
  • Substitution of a valine for a glutamic acid in the transmembrane domain can result in the constitutive dimerisation of this protein in the absence of a ligand. (iiab.me)
  • 1) Characterize novel families of oncoproteins (Pbx and Meis) that dimerize with and regulate the DNA binding properties of Hox proteins. (stanford.edu)
  • 6. Application of non-embryonic stem cells in treatment of nerve system diseases such as brain stroke, Parkinson's disease, Huntington's disease. (edu.pl)
  • Both proteins were activated in neurofibromin-null MPNST cells. (biomedcentral.com)
  • We show that the acetylation mimetic GAC.K316Q does not assemble into higher order oligomers and this modification likely inhibits protein activity in cells. (colinsbraincancer.com)
  • diseases caused by inappropriate innervation of muscles or lack of important structural proteins. (edu.pl)
  • In an important model of premature aging, Werner's Syndrome, the genetic problem seems to be lack of a helicase protein that can unwind G-quadruplexes. (anti-agingfirewalls.com)
  • 574Structural Proteins: Translation, Processing, and Assembly. (vdocuments.net)