• We have shown that Ypk1, a member of the AGC class of protein kinases conserved from yeast to humans, is the essential target of and activated via phosphorylation by the plasma membrane-associated TORC2 complex. (berkeley.edu)
  • The accumulation of hTopBP1 on chromatin and its subsequent interaction with hRad9 lead to cell cycle arrest, a process mediated by Chk1 phosphorylation and ataxia telangiectasia and Rad3-related protein (ATR) activation. (biomedcentral.com)
  • The E1 helicase is regulated at least in part by protein phosphorylation, however no systematic approach to phosphate site mapping has been attempted. (biomedcentral.com)
  • We have utilized mass spectrometry of purified bovine papillomavirus E1 protein to identify and characterize new sites of phosphorylation. (biomedcentral.com)
  • A number of individual phosphorylation sites on BPV E1 have been identified by several groups, but no systematic effort to identify all of the phosphorylated amino acid positions of this protein has been undertaken. (biomedcentral.com)
  • We have discovered that E2F1 localizes to sites of both DNA double-strand breaks and UV-induced DNA damage and that this involves the phosphorylation of E2F1 by the ATM or ATR kinases. (mdanderson.org)
  • Activation of AMPK by low energy supply and phosphorylation of LKB1 results in an inhibition of mTOR , thus decreasing energy-consuming processes, in particular translation and, thus, cell growth. (sdbonline.org)
  • These findings suggest that parasite proteins are able to inhibit erythroid cell growth by down-regulation of ezrin phosphorylation, leading to ineffective erythropoiesis ultimately resulting in severe malarial anaemia. (biomedcentral.com)
  • Many molecular pathways in eukaryotic cells are modulated by specific signaling proteins that are controlled, by phosphorylation and dephosphorylation, through the activity of kinase and phosphatase enzymes. (biomedcentral.com)
  • The level of protein phosphorylation at specific sites varies from less than 1% to greater than 90%, depending on conditions [ 26 ]. (biomedcentral.com)
  • The various markers that enable assessment of the progression of preneoplastic lesions to spindle cell carcinoma include the p16 protein, which halts the cell cycle and induces apoptosis by pRb-mediated phosphorylation of cyclin-dependent kinase 4 (CDK4). (bvsalud.org)
  • In mouse embryonic stem cells (ESCs), Cdc7 is needed for proliferation. (wikipedia.org)
  • In addition, compared to the mono-treatment, combination of Polo-like kinase 1 inhibition with anti-mitotic or DNA damaging agents boosts more severe mitotic defects, effectually triggers apoptosis and strongly inhibits proliferation of cancer cells with functional p53. (oncotarget.com)
  • Based on the results of preliminary experiments on increased KRT17 expression after high glucose stimulation of human skin tissue cells, a cell model of human immortalized keratinocyte (HaCaT) stimulation with different concentrations of KRT17 was established in vitro, and the promotion in cell proliferation and migration were discovered. (bvsalud.org)
  • Transcriptome sequencing (RNA-seq) was performed on HaCaT cells after KRT17 stimulation, and analysis showed significant enrichment in the PI3K-AKT signaling pathway, in which the regulation of cell c-MYB mRNA, a key molecule regulating cell proliferation and migration, was significantly upregulated. (bvsalud.org)
  • The TAL1/SCL transcription factor regulates cell cycle progression and proliferation in differentiating murine bone marrow monocyte precursors. (nih.gov)
  • More than a decade later, sustained proliferation was still considered as, arguably, the main feature of cancer cells [ 2 ]. (biomedcentral.com)
  • The cell cycle is the process of accurate self-reproduction and proliferation of a cell. (intechopen.com)
  • Misregulation of the cell cycle may result in malignant cell proliferation, tumorigenesis or cell death. (intechopen.com)
  • The molecular functions of upregulated genes in MZ-3 were mainly enriched for transcriptional activity, cell proliferation and cell differentiation. (biomedcentral.com)
  • TRAIP's previously discovered roles include stimulating cell proliferation and regulating the spindle assembly checkpoint. (rupress.org)
  • A mutation in this gene resulting in reduced cell proliferation, and impaired cell motility and polarity, and has been identified in patients with primary microcephaly. (cancerindex.org)
  • HIV-1 expression induces cyclin D 1 and phospho-pRb (Ser780) expression in infected podocytes, suggesting that HIV-1 activates cyclin D1-dependent cell-cycle mechanisms to promote proliferation of infected renal epithelium. (biomedcentral.com)
  • In comparison to the two general alternative mechanisms utilized by known transforming viruses to promote cell-cycle progression, namely, by activating or bypassing endogenous D-type cyclins (herein, referred to as "cyclin D"), it has not been established whether HIV-1 gene products trigger either cyclin D-dependent or cyclin D-independent proliferation in non-lymphoid tissues [ 15 ]. (biomedcentral.com)
  • In addition, the impact of miR-126 on cell proliferation, apoptosis, migration and invasion was detected in ESCC cell lines. (spandidos-publications.com)
  • miR-126 mimics downregulated the expression of IRS-1 and GOLPH3 protein and suppressed the proliferation, migration and invasion of ESCC cells, whereas miR-126 inhibitors led to the opposite results. (spandidos-publications.com)
  • miR-126 suppressed the proliferation, migration and invasion of ESCC cells, and acted as a tumor suppressor in the carcinogenesis of ESCC. (spandidos-publications.com)
  • miRNAs are involved in biological and pathological processes including cell differentiation, proliferation, apoptosis and metabolism, and they are emerging as highly tissue-specific biomarkers with potential clinical application for defining cancer types and origins. (spandidos-publications.com)
  • It activates transcription and contributes to proliferation, antiapoptosis, and metastasis of tumor cells ( 5 ). (iiarjournals.org)
  • The master kinase LKB1 is a key regulator of several cellular processes, including cell proliferation, cell polarity and cellular metabolism. (sdbonline.org)
  • In previously reports , Plasmodium vivax was found to be able to directly inhibited erythroid cell proliferation and differentiation. (biomedcentral.com)
  • Moreover, in vitro cultures of erythroid cells derived from haematopoietic stem cells has demonstrated that P. vivax is able to directly inhibit erythroid cell proliferation and differentiation [ 22 ]. (biomedcentral.com)
  • CAFs provide cancer cells with nutrition and promote the proliferation, invasion and metastasis of cells ( 6 - 9 ). (spandidos-publications.com)
  • Long studied as a key component of the immune response, IκBζ emerges as an important regulator of inflammation, cell proliferation and survival. (oncotarget.com)
  • In response to mito- pendence between the key mecha- gens, cell proliferation is triggered by nistic characteristics. (who.int)
  • H - Ras cell proliferation are also linked with haematopoietic cel s. (who.int)
  • Functional loss of p16 may lead to uncontrolled cell proliferation 3,4 . (bvsalud.org)
  • It has been suggested that the protein is essential for initiation of DNA replication and that it plays a role in regulating cell cycle progression. (wikipedia.org)
  • It further inhibited cell-cycle progression in the G1 phase by four different mechanisms: rapid downregulation of cyclin D1, induction of Chk2 with simultaneous downregulation of Cdc25A, induction of the Cdk-inhibitor p21 Cip/Waf and inhibition of ribonucleotide reductase activity resulting in reduced dCTP and dTTP levels. (nature.com)
  • Alteration of signalling pathways regulating cell cycle progression is a common feature of cancer cells. (biomedcentral.com)
  • Downregulation of PI3K-C2β delays mitosis progression in PC3 and HeLa cells, resulting in reduced ability to form colonies in clonogenic assays in vitro. (biomedcentral.com)
  • Several of these kinases have known roles in regulating cell cycle progression. (biomedcentral.com)
  • This kinase is a catalytic subunit of the protein kinase complex that is important for cell cycle G1 phase progression and G1/S transition. (cancerindex.org)
  • During cancer progression, some tumor cells acquire new characteristics, such as over-expression of epithelial-mesenchymal transition (EMT) markers, and undergo profound morphogenetic changes. (biomedcentral.com)
  • The first project focuses on E2F1, a regulator of genes important for cell cycle progression and apoptosis. (mdanderson.org)
  • The aberrant cell-cycle progression of HIV-1-infected kidney cells plays a major role in the pathogenesis of HIV-associated nephropathy, however the mechanisms whereby HIV-1 induces infected glomerular podocytes or infected tubular epithelium to exit quiescence are largely unknown. (biomedcentral.com)
  • Compared to controls, cultured podocytes expressing HIV-1 genes, and podocytes and tubular epithelium from hyperplastic nephrons in Tg26 kidneys, had increased levels of phospho-pRb (Ser780), a target of active cyclin D 1 /cyclin-dependent kinase-4/6 known to promote G 1 → S phase progression. (biomedcentral.com)
  • Progression from metaphase to anaphase is blocked and cells enter a state of mitotic arrest. (smpdb.ca)
  • Finally, CAFs promote cancer progression and act in cancer cell drug resistance. (spandidos-publications.com)
  • Pyruvate kinase M2 (PKM2) is a key rate-limiting enzyme in glycolysis, and which plays a critical role in tumor progression in various malignancies. (researchsquare.com)
  • However, whether PKM2 can promote head and neck squamous cell carcinoma (HNSCC) progression and immunosuppression remains unknown. (researchsquare.com)
  • Nim1-related kinases coordinate cell cycle progression with the organization of the peripheral cytoskeleton in yeast. (microbiologyresearch.org)
  • Conclusion: p63, p16, MIB, Cal A, Cys A are markedly expressed and p16 is strongly suppressed in oral cavity tumors, which suggests that the latter protein may play a role in negative regulation of cell cycle progression. (bvsalud.org)
  • Immunohistochemical identification of molecular genetic events in the progression of preneoplastic lesions to spindle cell squamous-cell carcinoma enables early detection of lesions with the potential for malignant progression, thus permitting timely intervention 1,2 . (bvsalud.org)
  • Apoptosis was measured by Hoechst 33258/propidium iodide double staining of nuclear chromatin and the formation of gaps into the lymphendothelial barrier in a three-dimensional co-culture model consisting of MCF-7 tumour cell spheroids and human lymphendothelial monolayers. (nature.com)
  • In HL-60 leukaemia cells, di-GA activated caspase 3 and dose-dependently induced apoptosis. (nature.com)
  • These data show that di-GA exhibits three distinct anticancer activities: induction of apoptosis, cell-cycle arrest and disruption of cancer cell-induced lymphendothelial disintegration. (nature.com)
  • Upon treatment with Plk1 inhibitors, p53 in tumor cells is activated and induces strong apoptosis, whereas tumor cells with inactive p53 arrest in mitosis with DNA damage. (oncotarget.com)
  • Oncogenic mutations or abnormal expression of signaling components disrupt the regulatory networks that govern cell function, thus enabling tumor cells to undergo dysregulated mitogenesis, to resist apoptosis, and to promote invasion to neighboring tissues. (eurekaselect.com)
  • Cancer genetics, DNA damage response, apoptosis, cell cycle My current research is focused on two transcription factors that respond to DNA damage and play important roles in regulating tumor development. (mdanderson.org)
  • These include regulation of cell cycle, activation of mitochondrial pathway, induction of mitochondrial outer membrane permeabilization, induction of apoptosis, modulation of oxidative stress, amelioration of inflammation, modulation of insulin signaling and inhibition of angiogenesis. (mdpi.com)
  • that 125I seed irradiation affects genes associated with apoptosis and cell cycle arrest in both transcriptional and epigenetic levels. (cox-inhibitors.com)
  • Collectively, these data provide an explanation for the tumor inhibitory effect of 125I seed implantation and emphasize the important roles of apoptosis and cell cycle arrest underlying the efficacy of this modality. (cox-inhibitors.com)
  • XLS 20 KB) Additional file 4: The most enrichment pathways among genes related to cell cycle, apoptosis, cell division and growth by KEGG. (cox-inhibitors.com)
  • These cells may continue progressing through the cell cycle as tetraploid cells (Adaptation I), may exit G1 phase and undergo apoptosis or senescence (Adaption II), or may escape to G1 and undergo apoptosis during interphase (Adaptation III). (smpdb.ca)
  • Vinca alkaloids are also thought to increase apoptosis by increasing concentrations of p53 (cellular tumor antigen p53) and p21 (cyclin-dependent kinase inhibitor 1) and by inhibiting Bcl-2 activity. (smpdb.ca)
  • The selective suppression of HIV-1 transcription by the cyclin-dependent kinase inhibitor, flavopiridol, abrogated cyclin D 1 expression, underlying the requirement for HIV-1 encoded products to induce cyclin D 1 . (biomedcentral.com)
  • TPR-containing proteins include the anaphase promoting complex (APC) subunits cdc16, cdc23 and cdc27, the NADPH oxidase subunit p67 phox, hsp90-binding immunophilins, transcription factors, the PKR protein kinase inhibitor, and peroxisomal and mitochondrial import proteins. (embl.de)
  • It has been reported that miR-126 is located on chromosome 9q34.3 within the host gene encoding for epidermal growth factor like-7 (EGFL-7), an endothelial cell-derived, secreted inhibitor of smooth muscle cell migration and a regulator of blood vessel formation ( 12 , 13 ). (spandidos-publications.com)
  • Cystatin A (Cys A), a cysteine protease inhibitor, is a precursor of proteins involves in keratinocyte keratinization, and is expressed during the late phase of differentiation of these cells. (bvsalud.org)
  • The Cdc7/Dbf4 complex adds a phosphate group to the minichromosome maintenance (MCM) protein complex allowing for the initiation of DNA replication in mitosis (as explained in the Cdc7 and Replication section below). (wikipedia.org)
  • After chromatin undergoes changes in telophase of mitosis, the hexameric protein complex of MCM proteins 2-7 forms part of the pre-replication complex (pre-RC) by binding to the chromatin and other aiding proteins (Cdc6 and Cdt1). (wikipedia.org)
  • Polo-like kinase 1, a pivotal regulator of mitosis and cytokinesis, is highly expressed in a broad spectrum of tumors and its expression correlates often with poor prognosis, suggesting its potential as a therapeutic target. (oncotarget.com)
  • The TPR snap helix: a novel protein repeat motif from mitosis to transcription. (embl.de)
  • The recently discovered TPR gene family encodes a diverse group of proteins that function in mitosis, transcription, splicing, protein import and neurogenesis. (embl.de)
  • In addition, these drugs are known to induce serious side effects due to inhibition of mitosis in other proliferating cells (mainly bone marrow and gut) as well as inhibition of other microtubules-dependent functions, such as neuronal processes [ 18 , 19 ]. (biomedcentral.com)
  • When cells pass from S to G 2 , the nuclei migrate toward the VZ surface where mitosis occurs. (jneurosci.org)
  • After mitosis, daughter cells can either remain proliferative and re-enter the cell cycle or become terminally postmitotic and migrate out of the VZ ( McConnell, 1995 ). (jneurosci.org)
  • this means that most eukaryotic cells have the Cdc7 kinase protein. (wikipedia.org)
  • It phosphorylates eukaryotic elongation factor 2 (EEF2), an abundant cytoplasmic protein that catalyzes the movement of the ribosome along mRNA during translation in eukaryotic cells, and inhibits the EEF2 function (1). (signalchem.com)
  • DNA replication occurs once and only once per cell cycle mainly regulated by DNA replication initiation factors in eukaryotic cells. (intechopen.com)
  • Activation of ATR phosphorylates a number of downstream proteins that coordinate the cell cycle checkpoint. (biomedcentral.com)
  • It phosphorylates and activates several downstream kinases, including AMP-dependent kinase, AMPK . (sdbonline.org)
  • Moreover, we show that AQP3 was upregulated during T cell differentiation and promotes helper T (Th) 17 differentiation possibly via the activation of STAT3 signaling. (bvsalud.org)
  • An infection is established in the basal layer of the epithelium, and a complex viral life cycle is carried out, dependent on the differentiation state of the host cell [ 1 - 3 ]. (biomedcentral.com)
  • As progeny cells migrate towards the epithelial surface, a differentiation pathway is triggered, leading to changes in viral gene expression, genome amplification, and assembly of progeny virions. (biomedcentral.com)
  • Neuronal differentiation and cell-cycle programs mediate response to BET-bromodomain inhibition in MYC-driven medulloblastoma. (cancerindex.org)
  • Symmetric cell division prompts multiplication and asymmetric cell division is an enlightening advance for differentiation. (researchsquare.com)
  • HIV-1-infected podocytes showed markedly elevated cyclin D 1 mRNA and cyclin D 1 protein, the latter of which did not down-regulate during cell-cell contact or differentiation, suggesting post-transcriptional stabilization of cyclin D 1 protein levels by HIV-1. (biomedcentral.com)
  • Overexpression of IRS-1 was associated with cell differentiation, whereas GOLPH3 was related to lymph node metastasis, tumor invasion in-depth and TNM stage in ESCC patients. (spandidos-publications.com)
  • Microarray analyses detected a suite of master developmental regulators that control differentiation and maintenance of diverse cell lineages. (biomedcentral.com)
  • Another protein, calgranulin A (Cal A), is involved in the regulation of several cell processes, including the cell cycle and cell differentiation. (bvsalud.org)
  • Esophageal squamous cell carcinoma (ESCC) is a common histologic subtype in China. (spandidos-publications.com)
  • Although Barrett's adenocarcinoma is the most rapidly increasing cancer in Western countries, esophageal squamous cell carcinoma (ESCC) remains dominant in East Asia ( 3 ). (spandidos-publications.com)
  • However, studies have also reported that aberrant overexpression of miR-126 contributes to carcinogenesis, suggesting that miR-126 acts as an oncogene in gastric cancer and oral squamous cell carcinoma ( 16 , 17 ). (spandidos-publications.com)
  • Methods: fifteen histological specimens of spindle cell squamous cell carcinoma of the lower lip were obtained from the Department of Oral Pathology, Bahia Federal University. (bvsalud.org)
  • Other markers, such as retinoblastoma and p53, may be related with early steps of carcinogenesis in oral cavity squamous cell carcinoma. (bvsalud.org)
  • Cell division cycle 7-related protein kinase is an enzyme that in humans is encoded by the CDC7 gene. (wikipedia.org)
  • The product encoded by this gene is predominantly localized in the nucleus and is a cell division cycle protein with kinase activity. (wikipedia.org)
  • The gene, CDC7, is involved in the regulation of cell cycle because of the gene product Cdc7 kinase. (wikipedia.org)
  • The gene coding for the Dbf4 or ASK protein is regulated during the different phases of cell cycle. (wikipedia.org)
  • Transmembrane and intracellular signal transduction mechanisms are the focus of our group, especially understanding how extracellular stimuli control cell growth and division, cell morphology, and gene expression at the biochemical level. (berkeley.edu)
  • Rat stem-cell leukemia gene expression increased during testis maturation. (nih.gov)
  • Indeed, it has been shown that miRNAs play an important role in gene expression, mainly when associated with the monitoring of several cell and metabolic pathways, being also an essential component of the gene silencing machinery in most eukaryotic organisms ( 4 , 8 ). (frontiersin.org)
  • The protein encoded by this gene is a member of the CMGC family of serine/threonine protein kinases. (cancerindex.org)
  • What does this gene/protein do? (cancerindex.org)
  • What pathways are this gene/protein implicaed in? (cancerindex.org)
  • The other project involves the study of a single nucleotide polymorphism (SNP) in the human p53 gene that results in either arginine (R) or proline (P) at position 72 of the p53 protein. (mdanderson.org)
  • These observations raise the possibility that HIV-1 gene products may interact with mitogenic pathways in infected renal epithelium to cause aberrant cell-cycle engagement. (biomedcentral.com)
  • This study explores the use of a simple human neurosphere-based in vitro model to characterise the pharmacological and toxicological effects of LiCl and VPA using gene expression changes linked to phenotypic alterations in cells. (plos.org)
  • In addition, in order to phenotypically anchor the gene expression data, changes in the heterogeneity of cell subtype populations and cell cycle phase were monitored using flow cytometry. (plos.org)
  • Mature microRNAs (miRNAs) are a class of small, well-conserved, non-coding RNA molecules that silence gene expression usually by interfering with mRNA stability or protein translation ( 6 , 7 ). (spandidos-publications.com)
  • Expression of p63 is almost exclusively restricted to epithelial cells, mutations in this gene are infrequent, and its expression is increased in a variety of solid tumors, particularly those of the head and neck area 12,13 . (bvsalud.org)
  • Acanthocytosis has also been associated with the rare hypobetalipoproteinemia, acanthocytosis, retinitis pigmentosa, and pallidal degeneration (HARP) syndrome, a disease of childhood akin to Hallervorden-Spatz disease and a defect in the gene for pantothenate kinase. (medscape.com)
  • The protein is a serine-threonine kinase that is activated by another protein called either Dbf4 in the yeast Saccharomyces cerevisiae or ASK in mammals. (wikipedia.org)
  • The Cdc7/Dbf4 kinase complex, along with another serine-threonine kinase, cyclin-dependent kinase (Cdk), phosphorylates the pre-RC which activates it at the G1/S transition. (wikipedia.org)
  • Five members of the Plk family have been discovered in humans and these serine/threonine kinases have emerged as key players by performing crucial functions in the cell cycle, DNA damage response and neuron biology [ 2 - 6 ]. (oncotarget.com)
  • and GSG2 (Serine/threonine-protein kinase haspin). (cox-inhibitors.com)
  • The Wee1 class of protein-tyrosine kinase has an important role in cell cycle control. (berkeley.edu)
  • and transmembrane receptor protein tyrosine kinase activator activity. (nih.gov)
  • Plk1 inhibitors target all rapidly dividing cells irrespective of tumor cells or non-transformed normal but proliferating cells. (oncotarget.com)
  • The activity of this kinase first appears in mid-G1 phase, which is controlled by the regulatory subunits including D-type cyclins and members of INK4 family of CDK inhibitors. (cancerindex.org)
  • The effect of miR-126 expression on target proteins was assessed using miR-126 mimics or miR-126 inhibitors in ESCC cell lines. (spandidos-publications.com)
  • The CDKN2A/B locus contains genes encoding cell cycle inhibitors, including p16 Ink4a , which have not yet been implicated in the control of hepatic glucose homeostasis. (diabetesjournals.org)
  • León, R. KEAP1-NRF2 protein-protein interaction inhibitors: design, pharmacological properties and therapeutic potential. (csic.es)
  • Papillomaviruses infect epithelial cells of cutaneous or mucosal origin in a variety of vertebrate hosts. (biomedcentral.com)
  • Once ingested, sporozoites are released from the oocysts into intestinal epithelial cells. (biomedcentral.com)
  • 5 SARS-CoV-2 was isolated from the airway epithelial cells of patients with viral pneumonia in Wuhan. (medsci.org)
  • EMT is a process in which epithelial cells lose their cell polarity and cell-cell adhesion, and gain migratory and invasive properties, becoming mesenchymal cells [ 3 , 4 ]. (biomedcentral.com)
  • Modulation of chloride secretory responses and barrier function of intestinal epithelial cells by the Salmonella effector protein SigD. (microbiologyresearch.org)
  • We have recently shown that this same pathway modulates the content of integral membrane proteins and, in collaborative studies, that it is also involved in maintenance of the sterol composition of the plasma membrane. (berkeley.edu)
  • Human DNA topoisomerase II-binding protein 1 (hTopBP1) plays an important role in DNA replication and the DNA damage checkpoint pathway. (biomedcentral.com)
  • The ataxia telangiectasia and Rad3-related protein (ATR) signaling cascade is an important pathway involved in the checkpoint control mechanism [ 3 ]. (biomedcentral.com)
  • Modulation of intracellular free calcium concentration ([Ca 2+ ] i ) may be part of the signaling pathway by which both local environmental factors and cell autonomous developmental programs influence corticogenesis. (jneurosci.org)
  • Six major pathways have been studied in immune cells in detail: glycolysis, the tricarboxylic acid (TCA) cycle, the pentose phosphate pathway, fatty acid oxidation, fatty acid synthesis and amino acid metabolism. (nature.com)
  • Here, we provide a brief refresher course on six of the major metabolic pathways involved (specifically, glycolysis, the tricarboxylic acid (TCA) cycle, the pentose phosphate pathway, fatty acid oxidation, fatty acid synthesis and amino acid metabolism), giving specific examples of how precise changes in the metabolites of these pathways shape the immune cell response. (nature.com)
  • However, chronic alcohol consumption decreases GSH generation through cysteine deficiency by suppressing the methionine cycle and trans-sulfuration system, whereas it turns on an alternative defense pathway, such as the xCT transporter, to compensate for GSH shortage. (e-cmh.org)
  • Hexokinase (HK), phosphofructokinase-1 (PFK-1) and pyruvate kinase (PK) are the three key enzymes in the glycolysis pathway. (researchsquare.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)
  • Briefly, miRNAs are expected to account for 1-5% of the human genome and to interfere with at least 30% of the protein-coding genes ( 4 , 5 ). (frontiersin.org)
  • The molecular functions of upregulated genes in MZ-2 were mainly enriched for protein degradation and amino acid metabolism. (biomedcentral.com)
  • Up to 30% of human protein-coding genes may be regulated by miRNAs ( 8 , 9 ). (spandidos-publications.com)
  • Numerous genes transcribed in oocytes are involved in multiple aspects of cell maintenance and protection, including metabolism, signal perception and transduction, RNA processing, cell cycle, defense against pathogens and DNA damage. (biomedcentral.com)
  • This study provides first demonstration for the global induction of apoptotic and cell cycle-related genes by 125I seed irradiation. (cox-inhibitors.com)
  • Of the 31 genes, the 21 upregulated genes were primarily associated with cell paracrine and intracellular signaling, transcription regulation and cell adhesion and migration, and their transcriptional products included transforming growth factor-β2 (TGF-β2), insulin-like growth factor-binding protein 2 and transcriptional factor AP-2α/γ ( 11 ). (spandidos-publications.com)
  • By contrast, the 10 downregulated genes were primarily associated with epithelial membrane proteins ( 11 ). (spandidos-publications.com)
  • Thus, inactive p53 is not associated with a susceptible cytotoxicity of Polo-like kinase 1 inhibition and could rather foster the induction of polyploidy/aneuploidy in surviving cells. (oncotarget.com)
  • The mechanism of vincristine is the inhibition of microtubule dynamics that would cause mitotic arrest and eventual cell death. (smpdb.ca)
  • Second, growth inhibition by SigD R468A was mediated by a cell cycle arrest in G2 dependent on the Swe1 morphogenetic checkpoint, but SigD-induced growth inhibition was cell cycle independent. (microbiologyresearch.org)
  • Cripto-1 overexpression in U87 glioblastoma cells activates MAPK, focal adhesion and ErbB pathways. (eurekaselect.com)
  • Metabolites, such as succinate and citrate, and enzymes, such as pyruvate kinase isoenzyme M2 (PKM2), glyceraldehyde 3-phosphate dehydrogenase (GAPDH) and enolase, have roles outside of metabolism that promote specific events during immune cell activation. (nature.com)
  • In turn, RPA coats single strands and draws in the ATR kinase, which halts the cell cycle and triggers other responses that protect the genome while the cell removes the blockage ( 4 ). (rupress.org)
  • The pheromone receptors have seven hydrophobic segments and are coupled to a heterotrimeric G protein. (berkeley.edu)
  • EEF2K is a highly conserved calmodulin-dependent protein kinase that links activation of cell surface receptors to cell division. (signalchem.com)
  • The Cdc7 kinase is involved in regulation of the cell cycle at the point of chromosomal DNA replication. (wikipedia.org)
  • Because the two proteins, Cdc7 and Dbf4, must form a complex before activating the MCM complex, the regulation of one protein is sufficient for both. (wikipedia.org)
  • Proteins containing TPRs are involved in a variety of biological processes, such as cell cycle regulation, transcriptional control, mitochondrial and peroxisomal protein transport, neurogenesis and protein folding. (embl.de)
  • As main findings, 23 miRNAs were already identified as being involved in genetic regulation of PCa cell response to RT. (frontiersin.org)
  • EEF2K is involved in the regulation of protein synthesis. (signalchem.com)
  • These results demonstrate distinct patterns of spontaneous [Ca 2+ ] i change in cortical precursor cells and raise the possibility that these dynamics may contribute to the regulation of neurogenesis. (jneurosci.org)
  • In this study, a phosphoproteomic approach was performed to dissect the molecular mechanism of phosphoprotein regulation, which is involved in the inhibitory effect of parasites on erythroid cell development. (biomedcentral.com)
  • These proteins display interactions and are involved in the regulation of the cellular cytoskeleton. (biomedcentral.com)
  • This result suggests that phospho-ezrin is important for actin cytoskeleton regulation during erythroid cell growth and division. (biomedcentral.com)
  • The regulation of complex and dynamic signal transduction proteins contributes to the destination of targeting proteins and the signal transduction of cell growth, and exposure to parasites can also influence signaling pathways. (biomedcentral.com)
  • Verpelli C, Bertani G, Cea V, Patti M, Bikfalvi A, Bello L, Sala C (2010)Anti-angiogenic therapy induces integrin-linked kinase 1 up-regulation in a mouse model of glioblastoma. (u-bordeaux.fr)
  • Multiple-TPR motif proteins would fold into a right-handed super-helical structure with a continuous helical groove suitable for the recognition of target proteins, hence defining a novel mechanism for protein recognition. (embl.de)
  • Activation of the pheromone receptor-coupled G protein initiates a four-tiered cascade of protein kinases, ultimately resulting in stimulation of a messenger-activated protein kinase or MAPK (Fus3) that translocates into the nucleus. (berkeley.edu)
  • In vitro assays showed increased c-MYB expression and enhanced pAKT activity after HaCaT cell stimulation by KRT17. (bvsalud.org)
  • Compared to control cells, PC3 cells lacking PI3K-C2β form smaller and more compact colonies in vitro and they form tumours more slowly in vivo in the first weeks after cells implant. (biomedcentral.com)
  • Human embryonic stem cells (hESc) can also be used to analyze the in vitro development from undifferentiated pluripotent cells leading to terminally differentiated cell types, recapitulating the process of early embryonic development [5] . (plos.org)
  • Furthermore, a PDK1-consensus motif is located within the kinase domain of LKB1 and LKB1 gets phosphorylated by PDK1 in vitro. (sdbonline.org)
  • CAFs maintain their phenotype for numerous passages during culture in vitro without exposure to cancer cells, while NFs cannot be infinitely proliferous like cancer cells ( 10 ). (spandidos-publications.com)
  • In vitro GAP activity towards RhoA, Rac1 and Cdc42 is not a prerequisite for YopE induced HeLa cell cytotoxicity. (microbiologyresearch.org)
  • Protein activation and expression were analysed by western blotting, deoxyribonucleoside triphosphate levels by HPLC, ribonucleotide reductase activity by 14 C-cytidine incorporation into nascent DNA and cell-cycle distribution by FACS. (nature.com)
  • Our findings reveal that AQP3-mediated activation of NF-κB in keratinocytes and activation of STAT3 in CD4+ T cells acted synergistically and contributed to the inflammation in rosacea. (bvsalud.org)
  • hTopBP1 and hMYH were involved in ATR-mediated Chk1 activation, moreover, both of them were associated with ATR and hRad9 which known as checkpoint-involved proteins. (biomedcentral.com)
  • In addition, we investigated several cell cycle-related proteins and found that co-knockdown of hTopBP1 and hMYH significantly diminished cell cycle arrest due to compromised checkpoint kinase 1 (Chk1) activation. (biomedcentral.com)
  • Therefore, we suggest that the interaction between hMYH and hTopBP1 is crucial for activation of the ATR-mediated cell cycle checkpoint. (biomedcentral.com)
  • The cells also contained less single-stranded DNA and showed fewer signs of ATR activation. (rupress.org)
  • Immunometabolism describes the changes that occur in intracellular metabolic pathways in immune cells during activation. (nature.com)
  • Glioblastoma (GBM), a very aggressive and incurable tumor, often results from constitutive activation of EGFR (epidermal growth factor receptor) and of phosphoinositide 3-kinase (PI3K). (sdbonline.org)
  • And third, SigD caused strong activation of the yeast MAP kinase Slt2, whereas SigD R468A rather inactivated another MAP kinase, Kss1. (microbiologyresearch.org)
  • In this regard, restoration of p53 in tumor cells with loss or mutation of p53 will reinforce the cytotoxicity of combined Polo-like kinase 1 therapy and provide a proficient strategy for combating relapse and metastasis of cancer. (oncotarget.com)
  • The main goal of RT consists in delivering a precise dose of radiation in a target volume, such as tumor, promoting the tumor cells eradication with as minimal damage as possible in surrounding normal tissues ( 13 ). (frontiersin.org)
  • Recently obtained evidence reveals that epithelial-mesenchymal transition (EMT) of tumor cells causes metastasis, which is detrimental to patients' survival. (biomedcentral.com)
  • They have complementary mechanisms to hinder the carcinogenic process by searching free radicals, inhibiting survival and multiplication of malignant cells, as well as reducing invasiveness and angiogenesis of tumors. (researchsquare.com)
  • The term "oncotarget" encompasses all molecules, pathways, cellular functions, cell types, and even tissues that can be viewed as targets relevant to cancer as well as other diseases. (oncotarget.com)
  • Plk3 is expressed throughout the cell cycle and involved in cellular response to DNA damage [ 9 ]. (oncotarget.com)
  • Cancer cell biology takes advantage of identifying diverse cellular signaling pathways that are disrupted in cancer. (eurekaselect.com)
  • Signaling pathways are an important means of communication from the exterior of cell to intracellular mediators, as well as intracellular interactions that govern diverse cellular processes. (eurekaselect.com)
  • Cellular morphology, time-lapse imaging, and nuclear staining demonstrated that this activity occurred in mitotically active cells. (jneurosci.org)
  • Transcripts found in unfertilized oocytes also encoded a large number of proteins implicated in cell adherence, tight junction and focal adhesion, suggesting high complexity in terms of structure and cellular interactions in embryos prior to midblastula transition (MBT). (biomedcentral.com)
  • We also studied the roles of other classes of protein kinases (Cla4) and additional post-translational modifications (SUMOylation) in septin complex assembly, formation of different septin-based supramolecular ensembles, disassembly of septin-containing structures, and the function of septin organization in the events required for cell division and membrane septation during cytokinesis. (berkeley.edu)
  • Here we generate a glycoengineered keratinocyte library delineating human glycosylation pathways to uncover roles of specific glycans at different stages of herpes simplex virus type 1 (HSV-1) infectious cycle. (bvsalud.org)
  • Human DNA topoisomerase II-binding protein 1 (TopBP1) and its orthologs play important roles in DNA replication and checkpoint control [ 1 ]. (biomedcentral.com)
  • This occurs through specific modulation of regulatory proteins during the host-pathogen interaction, especially proteins with roles in pathogenesis [ 27 ]. (biomedcentral.com)
  • The amino-terminal non-catalytic region of Salmonella typhimurium SigD affects actin organization in yeast and mammalian cells. (microbiologyresearch.org)
  • right after replication is over, the protein levels drop. (wikipedia.org)
  • Since Cdc7 is attached to the Dbf4 protein the entire complex is held in place during replication. (wikipedia.org)
  • This is most likely due to the change in conformation allowing the remainder of replication machinery proteins to be loaded. (wikipedia.org)
  • DNA replication can begin after all the necessary proteins are in place. (wikipedia.org)
  • In this chapter, we mainly discuss the coordination regulations between DNA replication initiation and other cell cycle events that ensure genomic integrity. (intechopen.com)
  • Papillomaviruses undergo a complex life cycle requiring regulated DNA replication. (biomedcentral.com)
  • Cells that are copying their DNA in preparation for division can undergo replication stress. (rupress.org)
  • A cell may run short of nucleotides to plug into the new DNA strands, for example, or the replication machinery might run into a section of DNA that is damaged or tricky to copy. (rupress.org)
  • Because stalled forks can lead to DNA double-strand breaks and genome instability, cells take a series of measures to clear the obstacles and restart replication ( 2 ). (rupress.org)
  • The protein PCNA, which clamps onto DNA, also helps cells resolve replication stress by serving as a platform for repair proteins. (rupress.org)
  • Researchers have discovered numerous proteins that are involved in replication stress, and Hoffmann et al. (rupress.org)
  • When the researchers used mass spectrometry to identify the proteins that accumulate at damaged DNA undergoing replication in Xenopus egg extracts, they found one that hadn't turned up in previous studies: the E3 ubiquitin ligase TRAIP. (rupress.org)
  • Absence of TRAIP from cells compromises the response to replication stress. (rupress.org)
  • used siRNA to deplete TRAIP in cells exposed to agents that induce replication stress. (rupress.org)
  • The structure of the tetratricopeptide repeats of protein phosphatase 5: implications for TPR-mediated protein-protein interactions. (embl.de)
  • Here, we report the crystal structure of the TPR domain of a protein phosphatase, PP5. (embl.de)
  • The authors have previously reported that the Salmonella typhimurium SigD protein, a phosphatidylinositol phosphatase involved in invasion of the host cell, inhibits yeast growth, presumably by depleting an essential pool of phosphatidylinositol 4,5- bis phosphate, and also that a catalytically inactive version, SigD R468A , was able to arrest growth by a different mechanism that involved disruption of the actin cytoskeleton. (microbiologyresearch.org)
  • It is concluded that the Salmonella SigD protein deprived of its phosphatase activity is able to disrupt yeast morphogenesis by interfering with Cdc42 function, opening the possibility that the SigD N-terminal region might directly modulate small GTPases from the host during infection. (microbiologyresearch.org)
  • This study reports that LKB1 binds to Phosphoinositide-dependent kinase (PDK1) by a conserved binding motif. (sdbonline.org)
  • Signaling pathways that are activated by intrinsic or extrinsic stimulation converge on the transcriptional factors and regulate phenotypic changes of cancer cells [ 9 ]. (biomedcentral.com)
  • While altered virion surface structures have minimal effects on the early interactions with wild type cells, mutation of specific O-glycosylation sites affects glycoprotein surface expression and function. (bvsalud.org)
  • The tetratricopeptide repeat (TPR) is a degenerate 34 amino acid sequence identified in a wide variety of proteins, present in tandem arrays of 3-16 motifs, which form scaffolds to mediate protein-protein interactions and often the assembly of multiprotein complexes. (embl.de)
  • Through its interactions with other proteins via its BRCT domains, hTopBP1 performs diverse functions [ 1 ]. (biomedcentral.com)
  • This kinase, as well as CDK4, has been shown to phosphorylate, and thus regulate the activity of, tumor suppressor protein Rb. (cancerindex.org)
  • AKT signaling in normal and malignant cells. (eurekaselect.com)
  • It is widely recognized that the accumulation of various harmful genetic alterations in normal cells may induce malignant cancer cells ( 1 ). (spandidos-publications.com)
  • Dr. Multani has extensive expertise in the field of Human and Mammalian Cytogenetics, and specializes in the evaluation of genetic instability and complex chromosomal rearrangements in cancer cells, telomere dysfunction, characterization of embryonic stem cells, and authentication of cell lines. (mdanderson.org)
  • They are essential for virus-cell receptor binding and the production of structurally complete virus particles. (medsci.org)
  • 13 , 14 However, the amino acid perfectly maintains the stability of the mutual structural conformation of the virus S-protein and the ACE2 receptor in a holistic manner. (medsci.org)
  • In response to the elevated glutamate in the liver, the expression of metabotropic glutamate receptor 5 (mGluR5) is up-regulated in hepatic stellate cells (HSCs) along with enhanced production of 2-arachidonoylglycerol, which in turn stimulates cannabinoid receptor 1 (CB 1 R) on neighboring hepatocytes to increase de novo lipogenesis. (e-cmh.org)
  • Because the expression of the estrogen receptor (ER) in patients with primary breast cancer is one of the most powerful indicators of response to adjuvant hormonal therapy, the effects of endocrine-therapeutic agents strongly depend on whether tumor cell growth remains estrogen responsive ( 3 ). (iiarjournals.org)
  • p53 represses the promoter of Polo-like kinase 1, whereas Polo-like kinase 1 inhibits p53 and its family members p63 and p73 in cancer cells lacking functional p53. (oncotarget.com)
  • Mass spectrometry and in silico sequence analysis were used to identify phosphate sites on the BPV E1 protein and kinases that may recognize these sites. (biomedcentral.com)
  • A number of kinases were identified by sequence analysis that could potentially phosphorylate E1 at the identified positions. (biomedcentral.com)
  • Figure 4: The TCA cycle in macrophages. (nature.com)
  • Thus, the secretion of gall wasps stimulates plant cell growth and overrules homeostasis of the affected leaf area - this is similar to tumour outgrowth. (nature.com)
  • Then hTopBP1 interacts with ATR-ATRIP through its ATR-activating domain (AD) and stimulates ATR kinase activity [ 8 , 9 ]. (biomedcentral.com)
  • 11. Amsel, A. & Roussel, J. Motivational properties of ences in post-transcriptional processes spark interest in the development of frustration: I. Effect on a running response of the (protein redistribution, degradation), pharmacotherapies that selectively reg- addition of frustration to the motivational com- plex. (lu.se)
  • Whilst LiCl exposure did not significantly alter the proportion of cells expressing markers for stem cells/undifferentiated cells (Oct4, SSEA4), neurons (Neurofilament M), astrocytes (GFAP) or cell cycle phase, the drug caused a 1.4-fold increase in total cell number. (plos.org)
  • Studies have shown that the expression of miR-126 is downregulated in cancers such as non-small cell lung cancer and colon cancer ( 14 , 15 ), suggesting that the downregulation of miR-126 is significantly related to the occurrence and development of cancer. (spandidos-publications.com)
  • Lysed IE significantly inhibited gEC growth at 48 and 72 h and cell division resulting in the accumulation of cells in G0 phase. (biomedcentral.com)
  • Detection of anti-elongation factor 2 kinase (calmodulin-dependent protein kinase III) antibodies in patients with systemic lupus erythematosus. (signalchem.com)
  • Another possibility is cell death during mitotic arrest. (smpdb.ca)
  • Journal of Cell Biology, 83 (2 PART). (cshl.edu)
  • Journal of Cell Biology, 95 (2). (cshl.edu)
  • Molecular Biology of the Cell, 19 (7). (cshl.edu)
  • Nature Cell Biology, 9 (5). (cshl.edu)
  • Some new promising strategies for biomarker discovery include microarray-based profiling at the DNA and mRNA levels, and mass-spectrometry-based profiling at the protein and peptide levels [ 2 ]. (biomedcentral.com)
  • To understand the role of autophagy in the pathogenesis of glial tumors in vivo, an established Drosophila melanogaster model of glioma was used based on overexpression in larval glial cells of an active human EGFR and of the PI3K homolog Pi3K92E /Dp110. (sdbonline.org)
  • Lactate production and the expression of galectin-9, a critical immunosuppression molecule, were detected after PKM2 knockdown and overexpression in HNSCC cells. (researchsquare.com)
  • Upon entry into a basal epithelial cell, the infecting genome is transiently amplified to approximately 50 to 200 copies, establishing a latent infection. (biomedcentral.com)
  • Structural proteins are all encoded by the 3' terminus of the viral genome. (medsci.org)
  • The oocyte is loaded with maternal mRNAs and proteins that control the cell maintenance and fate and the formation of the body plan prior to the onset of zygotic genome expression [ 3 , 4 ]. (biomedcentral.com)
  • 13 Genome Plasticity and B Cell, University of Paris-Sud, Centre National de la Recherche Scientifique, Cancer Institute Gustave Roussy, Villejuif, France. (jci.org)
  • The 5' cap open reading frame encodes a variety of non-structural proteins. (medsci.org)
  • It has been determined that VPS13A encodes for a protein called chorein. (medscape.com)
  • We investigated control mechanisms that regulate the activity, localization, and stability of Wee1, especially the bud neck-localized protein kinase Hsl1 and its more distant paralogs (Gin4 and Kcc4), in particular their recruitment to septin filaments, which assemble at the presumptive site of cell division. (berkeley.edu)
  • The mechanisms of radioresistance are still poorly understood, despite it has been suggested that miRNAs play an important role in cell signaling pathways. (frontiersin.org)
  • In this review, we briefly describe the underlying mechanisms of oxidative stress-mediated glutamate secretion and endocannabinoid production in alcoholic steatosis and suggest a novel metabolic synapse between hepatic stellate cells (HSCs) and hepatocytes. (e-cmh.org)
  • Yet, the mechanisms are largely unknown whereby HIV-1 subverts the cell-cycle controls that normally maintain renal epithelial in G 0 . (biomedcentral.com)
  • Scope includes mutations and abnormal protein expression. (cancerindex.org)
  • Activating mutations upstream may also underlie some epigenetic or within the ERK1/2 cascade are events that change cell signalling. (who.int)
  • Glial cell production increases as neurogenesis declines, peaking during the early postnatal period ( Bayer and Altman, 1991 ). (jneurosci.org)
  • The class II PI3K isoform PI3K-C2β was downregulated in prostate cancer PC3 cells and cervical cancer HeLa cells using selective siRNAs and the effect on cell growth was determined in the absence or presence of the microtubule-stabilizing agent/anti-cancer drug docetaxel. (biomedcentral.com)
  • Since the discovery of Polo kinase in Drosophila in 1988 [ 1 ], the Polo-like kinase (Plk) family has been attracting enormous attention, both in academia and in pharmaceutical industry. (oncotarget.com)
  • Altered responsiveness to co- oup the nucleus accumbens reflect the behavioral approaches that incorporate caine and increased immobility in the forced swim test associated with elevated cAMP response ele- memory of associations between the extinction-like processes may have effi- ment binding protein in nucleus accumbens. (lu.se)
  • LKB1 itself is a constitutively active kinase, which is regulated by posttranslational modifications and direct binding to phospholipids of the plasma membrane. (sdbonline.org)