• Here we report a role for the phylogenetically ancient mitogen-activated protein kinase (MAPK) signalling pathway in mouse sex determination. (plos.org)
  • Moreover, we describe experiments showing the presence of activated MKK4, a direct target of MAP3K4, and activated p38 in the coelomic region of the XY gonad at 11.5 d post coitum, establishing a link between MAPK signalling in proliferating gonadal somatic cells and regulation of Sry expression. (plos.org)
  • This mutant, which we called boygirl ( byg ), was shown to contain an early stop codon that disrupts the autosomal gene encoding MAP3K4, a component of the mitogen-activated protein kinase (MAPK) signaling pathway. (plos.org)
  • Mechanistically, we found that lycopene and sorafenib could additively inhibit the mitogen-activated protein kinase (MAPK) pathways, as shown by the protein phosphorylation of ERK1/2, JNK1/2 and p38 were reduced additively. (frontiersin.org)
  • We have elucidated the molecular mechanisms involved in the increase in IL-6 expression caused by CXCL1 incubation in SFs, which was regulated by its receptor CXCR2, c-Raf and MAPK signaling components, and activator protein-1 (AP-1) transcriptional activation. (researchsquare.com)
  • Genes within the Mitogen Activated Protein Kinase (MAPK) pathway are frequently mutated driver oncogenes in cancer. (ladydavis.ca)
  • In addition, phosphorylated ERK1/2 and p38, key members of mitogen-activated protein kinase (MAPK) family regulating BCa tumorigenesis, were strongly decreased. (spandidos-publications.com)
  • Background Pilocytic astrocytoma (PA) is the most common pediatric brain tumor and a mitogen-activated protein kinase (MAPK)-driven disease. (ibecbarcelona.eu)
  • Oncogenic MAPK-signaling drives the majority of cells into oncogene-induced senescence (OIS). (ibecbarcelona.eu)
  • Here we demonstrate that p38 MAPK gamma (p38γ) acts as a CDK-like kinase and thus cooperates with CDKs, regulating entry into the cell cycle. (nature.com)
  • Cripto-1 overexpression in U87 glioblastoma cells activates MAPK, focal adhesion and ErbB pathways. (eurekaselect.com)
  • An activating hotspot mutation occurs at V600E and results in constitutive MAPK signalling and uncontrolled cellular growth. (hindawi.com)
  • Constitutive activation of the mitogen-activated protein kinase (MAPK) pathway regulates cellular proliferation, differentiation, and death. (biomedcentral.com)
  • Several studies have reported that kinase-dead BRAF variants amplify mitogen-activated protein kinase (MAPK) signaling by dimerizing with and activating WT C-Raf proto-oncogene, Ser/Thr kinase (CRAF). (researchwithrowan.com)
  • Previously pp60v-src, cyclin A, p39mos, and maturation-promoting factor (composed of Cdc2 and cyclin B) have been shown to activate mitogen-activated protein kinase (MAPK) and MAPK kinase (MEK) in cell-free extracts of Xenopus oocytes. (ox.ac.uk)
  • Here we show that protein kinase C (PKC) is also able to stimulate MAPK in a Ras-dependent manner, but PKC is not necessary for signaling by pp60v-src. (ox.ac.uk)
  • In addition, preincubation of extracts with cAMP-dependent protein kinase (PKA) blocks stimulation of MAPK by cyclin, p21V12ras, PKC, or pp60v-src, by at least 50%, but stimulation by c-Mos is unaffected. (ox.ac.uk)
  • Furthermore, inhibition of endogenous PKA by the heat-stable PKA inhibitor is sufficient to stimulate MAPK activity in these extracts in the absence of protein synthesis and without dependence on a functional Ras protein. (ox.ac.uk)
  • Results of their new study suggest that these malformations are a result of KRAS -induced activation of the mitogen-activated protein kinase-extracellular signal-regulated kinase (MAPK-ERK) signaling pathway in brain endothelial cells. (medscape.com)
  • The BRAF (v-raf murine sarcoma viral oncogene homolog B) gene encodes a protein that belongs to the Raf family of serine/threonine protein kinases. (hindawi.com)
  • Emerging evidence shows that key signal transduction pathways including TGFβ (transforming growth factor-β), ERK (extracellular signal-regulated kinase), and mTORC1 (mechanistic target of rapamycin complex 1) regulate downstream gene expression through m 6 A processing. (molcells.org)
  • The Y-linked sex determining gene SRY regulates this process by initiating a pathway of gene and protein expression, including the expression of critical autosomal genes such as SOX9 . (plos.org)
  • 10 Genes that, when activated, contribute to the carcinogenesis are generally termed proto-oncogenes. (bmj.com)
  • The mutated forms of these genes are referred to as oncogenes. (bmj.com)
  • Driver events in pediatric malignancies can occur through loss of function in tumor suppressor genes or gain of function in proto-oncogenes. (medscape.com)
  • Tumor suppressor genes encode proteins that normally provide negative control of cell proliferation. (medscape.com)
  • Scope includes mutations and abnormal protein expression. (cancerindex.org)
  • Testing for certain "activating" mutations in the KRAS gene is currently one of the most widely employed methods to predict responsiveness to EGFR inhibitors. (biomedcentral.com)
  • Oncogenic mutations in the v-Raf murine sarcoma viral oncogene homolog B1 ( BRAF) in CRC were first described by Davies et. (biomedcentral.com)
  • Class 3 mutations in B-Raf proto-oncogene, Ser/Thr kinase (BRAF), that result in kinase-impaired or kinase-dead BRAF have the highest mutation frequency in BRAF gene in lung adenocarcinoma. (researchwithrowan.com)
  • Because of these mutations, LCH is now considered an oncogene-driven cancer of myeloid lineage. (msdmanuals.com)
  • In collaboration with a group at the University of Geneva (Dr S.I. Nikolaev and Dr S.E. Antonarakis) and the group of Dr J.E. Fish from University of Toronto, they performed exome DNA sequencing of the tissue samples of 26 patients and found somatic activating KRAS mutations in some of them. (medscape.com)
  • In total, the researchers detected somatic activating KRAS mutations in tissue samples from 45 of 72 patients and in none of the 21 paired blood samples. (medscape.com)
  • This is the first study describing the production and distribution of ETS-1 and ETS-2 mRNAs and proteins using in situ hybridization and immunohistochemistry in murine ocular tissue sections of normal control eyes and tumoral eyes from mice of the same age. (molvis.org)
  • Effect of cadmium on P53 and mitogen-activated protein kinases in a murine macrophage cell line: relation to apoptosis. (cdc.gov)
  • Mitogen-activated protein kinase 9 is an enzyme that in humans is encoded by the MAPK9 gene. (wikipedia.org)
  • The protein encoded by this gene is a member of the MAP kinase family. (wikipedia.org)
  • This kinase targets specific transcription factors, and thus mediates immediate-early gene expression in response to various cell stimuli. (wikipedia.org)
  • This gene and MAPK8 are also known as c-Jun N-terminal kinases. (wikipedia.org)
  • In the developing male (XY) gonad, sex-determining region of the Y (SRY) protein acts to up-regulate expression of the related gene, SOX9 , a transcriptional regulator that in turn initiates a downstream pathway of testis development, whilst also suppressing ovary development. (plos.org)
  • The byg mutation is an A to T transversion causing a premature stop codon in the gene encoding MAP3K4 (also known as MEKK4), a mitogen-activated protein kinase kinase kinase. (plos.org)
  • Using semi-quantitative reverse-transcription polymerase chain reaction (RT-PCR) and western blots experiments, we compared changes in ETS-1 and ETS-2 expression, their protein levels, and the regulation of some of their target gene expressions at different stages of the ocular tumoral progression in the transgenic mouse model, Tyrp-1-TAg, with those in normal eyes from control mice of the same age. (molvis.org)
  • RB1 encodes the protein pRB and was the first tumor suppressor gene to be molecularly defined. (medscape.com)
  • GSE76211) ( 3 , 4 ), revealing a significantly upregulated gene in BCa tissues, the lysosomal-associated protein multispanning transmembrane 5 (LAPTM5). (spandidos-publications.com)
  • What does this gene/protein do? (cancerindex.org)
  • The B-Raf proto-oncogene (BRAF V600E ) gene mutation has been identified in a variety of malignancies, but no evidence of the efficacy of vemurafenib treatment in BRAF V600E mutant breast cancer (BC) has been reported. (karger.com)
  • NDRG3 protein levels increased in multiple cell types in response to hypoxia and were correlated with increased angiogenesis, anti-apoptotic, motility and proliferative (but not metabolic) gene expression. (bhdsyndrome.org)
  • The BRAF oncogene is an integral component of the MAP kinase pathway, and an activating V600E mutation occurs in 15% of sporadic colorectal cancer. (hindawi.com)
  • BRAF is a protein kinase and part of the MAP kinase signalling cascade which involves transduction of a growth signal from the cell membrane to the nucleus via a chain of protein kinases and is responsible for cellular proliferation and survival. (hindawi.com)
  • Herein, using cell biology and various biochemical approaches, we established that variant BRAF D594G , a kinase-dead representative of class 3 mutation-derived BRAF variants, has a higher dimerization potential as compared with WT BRAF. (researchwithrowan.com)
  • Molecular dynamics simulations uncovered that the D594G substitution orients the αC-helix toward the IN position and extends the activation loop within the kinase domain, shifting the equilibrium toward the active, dimeric conformation, thus priming BRAF D594G as an effective allosteric activator of CRAF. (researchwithrowan.com)
  • The cell cycle is a tightly regulated process that is controlled by the conserved cyclin-dependent kinase (CDK)-cyclin protein complex 1 . (nature.com)
  • Malumbres, M. Cyclin-dependent kinases. (nature.com)
  • Lundberg, A. S. & Weinberg, R. A. Functional inactivation of the retinoblastoma protein requires sequential modification by at least two distinct cyclin-cdk complexes. (nature.com)
  • Concurrent deletion of cyclin E1 and cyclin-dependent kinase 2 in hepatocytes inhibits DNA replication and liver regeneration in mice. (nature.com)
  • PubMed] [Google Scholar]Berthet C., Kaldis P. Cell-specific responses to loss of cyclin-dependent kinases. (iahrgrenoble2016.org)
  • The cyclin-dependent kinase 7 (CDK7) subunit of TFIIH regulates RNA polymerase-II-based transcription and promotes tumor progression. (biomedcentral.com)
  • Genistein, a specific tyrosine kinase inhibitor, prevented the phosphorylation of ERK2 by BK. (nih.gov)
  • A screen profiling 158 kinase inhibitors (Calbiochem Protein Kinase Inhibitor Library I and II, catalogue numbers 539744 and 539745) for their inhibitory activity at 1µM and 10µM against 234 human recombinant kinases using the EMD Millipore KinaseProfiler TM service. (guidetopharmacology.org)
  • 1. Anastassiadis T, Deacon SW, Devarajan K, Ma H, Peterson JR. (2011) Comprehensive assay of kinase catalytic activity reveals features of kinase inhibitor selectivity. (guidetopharmacology.org)
  • The receptor, tyrosine kinase c-Ret, had been explored as an oncogene, which also has been mutated in patients with multiple endocrine neoplasia and familial medullary thyroid cancer syndromes. (hindawi.com)
  • Chemokine (CXC motif) ligand 1 (CXCL1) acts as a key chemoattractant for neutrophils by binding specifically to its corresponding G protein-coupled receptor chemokine (CXC motif) receptor 2 (CXCR2) (11, 12). (researchsquare.com)
  • This signal transduction pathway is initiated by epidermal growth factor ligands binding to and activating receptor tyrosine kinases (RTK) at the cell membrane. (hindawi.com)
  • These core targets were epidermal growth factor receptor (EGFR), mitogen-activated protein kinase-1 (MAPK1), proto-oncogene c (JUN), and signal transducer and activator of transcription-3 (STAT3). (platcovid.com)
  • It might inhibit the cytokine storm by affecting C-reactive protein (CRP), interferon-γ (IFN-γ), interleukin- 6 (IL-6), interleukin- 10 (IL-10), tumor necrosis factor (TNF), epidermal growth factor receptor (EGFR), C-C motif chemokine ligand 5 (CCL5), transforming growth factor-β1 (TGFβ1), and other proteins. (platcovid.com)
  • In the present study, we examined the role of protein tyrosine phosphorylation and the mitogen-activated protein kinases, ERK1/2,in mediating BK-induced AP-1 and DNA replication in cultured rat mesangial cells. (nih.gov)
  • Each of these effects was blocked by tyrosine kinase inhibition with genistein or herbimycin A. Similarly, antisense oligodeoxynucleotide targeting of ERK1/2 mRNA inhibited BK-stimulated DNA synthesis. (nih.gov)
  • MAP kinases act as an integration point for multiple biochemical signals, and are involved in a wide variety of cellular processes such as proliferation, differentiation, transcription regulation and development. (wikipedia.org)
  • 2011) Regulation and function of TPL-2, an IκB kinase-regulated MAP kinase kinase kinase. (guidetopharmacology.org)
  • Regulation of mitogen-activated protein kinase activation by protein kinases A and C in a cell-free system. (ox.ac.uk)
  • We now provide evidence that two growth-regulated, nucleus- and cytoplasm-localized protein kinases, 90-kDa ribosomal S6 kinase (RSK) and mitogen-activated protein kinase (MAP kinase), contribute to the serum-induced phosphorylation of c-Fos. (nih.gov)
  • DOK5 enhances c-Ret-dependent activation of mitogen-activated protein kinase [ 3 ]. (hindawi.com)
  • Analysis of MAPKK1 mutants in which either Ser217 or Ser221 were changed to glutamic acid, and the finding that inactivation of maximally activated MAPKK1 required the dephosphorylation of both serines, shows that phosphorylation of either residue is sufficient for maximal activation. (ox.ac.uk)
  • Proto-oncogene activation and genomic instability of cadmium -induced cell transformation in BALB/c-3T3 cells. (cdc.gov)
  • Finally, CXCL1 triggered the transcriptional activities of c-Jun (which regulates the expression of proinflammatory proteins) in OASFs and RASFs. (researchsquare.com)
  • Adaptor proteins, GRB2 and SOS, are then sequentially recruited to stimulate the release of GDP from KRAS which permits binding of GTP to activate KRAS. (hindawi.com)
  • BK (10(-9) to 10(-7) M) stimulated a rapid increase in tyrosine phosphorylation of multiple proteins with an estimated molecular mass of 120-130, 90-95, and 44-42 kDa. (nih.gov)
  • AP-1 pathway and that BK mitogenic signaling is critically dependent on protein tyrosine phosphorylation. (nih.gov)
  • Many growth factors whose receptors are protein tyrosine kinases stimulate the MAP kinase pathway by activating first the GTP-binding protein Ras and then the protein kinase p74raf-1. (ox.ac.uk)
  • A 'kinase-dead' MAPKK1 mutant was phosphorylated at the same residues as the wild-type enzyme, establishing that both sites are phosphorylated directly by p74raf-1, and not by autophosphorylation. (ox.ac.uk)
  • This kinase blocks the ubiquitination of tumor suppressor p53, and thus it increases the stability of p53 in nonstressed cells. (wikipedia.org)
  • Moreover, we recently reported that lycopene inhibits the metastasis of human liver adenocarcinoma SK-Hep-1 cells by downregulation of the NADPH oxidase 4 (NOX4) proteins ( 18 ). (frontiersin.org)
  • Specifically, the concepts of tumour heterogeneity, oncogene addiction, non-oncogene addiction, tumour initiating cells, tumour microenvironment, non-coding sequences and DNA damage response will be reviewed. (bmj.com)
  • Our transcriptome analysis revealed in bladder cancer (BCa) tissues a significant induction of lysosomal-associated multispanning membrane protein 5 (LAPTM5), a lysosomal membrane protein preferentially expressing in immune cells and hematopoietic cells. (spandidos-publications.com)
  • LAPMT5 is a lysosomal membrane protein preferentially expressed in immune cells ( 5 , 6 ) and hematopoietic cells ( 7 ), having a close interaction with the Nedd4 ( 8 ), a member of the E3 ubiquitin ligases family ( 8 ). (spandidos-publications.com)
  • The chemopreventive agent curcumin is a potent radiosensitizer of human cervical tumor cells via increased reactive oxygen species production and overactivation of the mitogen-activated protein kinase pathway. (dogcancerblog.com)
  • The RAF/RAS/ERK pathway was significantly activated by GT3 in LNCaP and PC-3 cells but not by AT. (biomedcentral.com)
  • Caspases 9 and 3 were efficiently activated by GT3 on both cell lines irrespective of androgen sensitivity, but not in cells dosed with AT. (biomedcentral.com)
  • And d) Another very basic problem is that cancer cells tend to be remarkably clever and naturally seek to take advantage of numerous cellular survival mechanisms to stay alive under stress, for example by upregulating heat shock proteins or DNA repair mechanisms. (anti-agingfirewalls.com)
  • In mouse hepatocytes, p38γ induces proliferation after partial hepatectomy by promoting the phosphorylation of retinoblastoma tumour suppressor protein at known CDK target residues. (nature.com)
  • In contrast, protein kinase C inhibition or depletion had no effect on BK-induced c-fos mRNA, AP-1-DNA binding activity, or DNA synthesis. (nih.gov)
  • 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)
  • In addition to the well-characterized catalytic activity, recent evidence has shown that certain GST isozymes can regulate mitogen-activated protein kinases or can facilitate the addition of glutathione to cysteine residues in target proteins ( S -glutathionylation). (nature.com)
  • Docking protein 5 ( DOK5 ), which was first reported in 2001, is a member of a subgroup of the DOK family that has been expressed using c-Ret in several neuronal tissues. (hindawi.com)
  • ETS-1 and ETS-2 mRNA and protein levels were much higher in the ocular tissues of Tyrp-1-TAg mice than in control ocular tissues from wild-type mice. (molvis.org)
  • In human BCa tissues, we observed that LAPTM5 was significantly induced at both mRNA and protein levels, which is consistent with our microarray result. (spandidos-publications.com)
  • The m 6 A-modified RNAs then recruit m 6 A-binding proteins (readers) that guide these RNAs for RNA biogenesis processes such as pre-mRNA splicing, nuclear export, stabilization, degradation, and translation. (molcells.org)
  • High CDK7 mRNA and protein levels were identified to be associated with poor prognosis in NSCLC. (biomedcentral.com)
  • The protein interaction landscape of the human CMGC kinase group. (nature.com)
  • We will discuss three key proteins that function as tumor suppressors implicated in the development of pediatric (and some adult) cancers: pRB, p53, and PTEN. (medscape.com)
  • Mitogen-activated protein kinase 9 has been shown to interact with: Grb2, MAPK8IP1, MAPK8IP2, MAPK8IP3 P53, and TOB1. (wikipedia.org)
  • The role of two members of the ETS (E26 avian leukemia oncogene) family of transcription factors, ETS-1 and ETS-2, has been investigated in many cancers but has not yet been studied in ocular tumors. (molvis.org)
  • Upon binding to 17beta-estradiol or related ligands, the encoded protein forms homo- or hetero-dimers that interact with specific DNA sequences to activate transcription. (cancerindex.org)
  • Human HPK1, a novel human hematopoietic progenitor kinase that activates the JNK/SAPK kinase cascade. (google.com.tw)
  • It is an integral component of the MAP (mitogen-activated protein) kinase cascade. (hindawi.com)
  • We also established the presence of SP high affinity NK1 transcripts and the NK1 protein localization in the membrane of a sub-population of CGCs. (torvergata.it)
  • m 6 A recruits effector proteins that determine the fate of mRNAs through changes in splicing, cellular localization, stability, and translation efficiency. (molcells.org)
  • Expression analysis of mutant XY gonads at the same stage also reveals a dramatic reduction in Sox9 and, crucially, Sry at the transcript and protein levels. (plos.org)