• GS-002 also induced endoplasmic reticular (ER) stress as evidenced by increases in ER stress-responsive proteins including glucose-regulated protein 78 (GRP78), growth arrest- and DNA damage-inducible gene 153 (GADD153), phosphorylated eukaryotic initiation factor 2 α (eIF2 α ), phosphorylated protein endoplasmic-reticular-resident kinase (PERK), and ATF-3. (hindawi.com)
  • The induction of ATF-3 expression was mediated by mitogen-activated protein kinase (MAPK) signaling pathways in GS-002-treated cells. (hindawi.com)
  • As signal transducer and activator of transcription (STAT) 3 phosphorylation directly regulates retinoic acid receptor-related orphan receptor (ROR) γ t, which is the master molecule of Th17, the Janus kinase (JAK)2-STAT3 pathway initiated by IL-6 is essential in the Th17 development. (hindawi.com)
  • Die Interleukin-1-Rezeptor-assoziierten Kinase 4 (IRAK-4) ist ein zentrales Protein des sogenannten „Myeloid differentiation primary response 88"-Signalwegs (MyD88-Signalwegs) (Suzuki et al. (springermedizin.de)
  • inositol-requiring enzyme 1 (IRE1α), PRKR-like ER kinase (PERK) and activating transcription factor-6 (ATF-6). (spandidos-publications.com)
  • Mechanistic studies revealed no impact on the activation of extracellular signal-regulated kinase, p38, and c-Jun N-terminal kinase mitogen-activated protein kinases. (aspetjournals.org)
  • The GDNF family ligands (GFLs) function through a glycosyl-phosphatidylinositol-(GPI) anchored coreceptor, GDNF family receptor alpha (GFRα), and rearranged during transfection (RET), a well-known receptor tyrosine kinase involved in kidney development, spermatogonial stem cell maintenance, and the development and maintenance of the sympathetic, parasympathetic, and enteric nervous systems [ 1 , 2 ]. (medsci.org)
  • The sensors correspond to three branches of the UPR, namely protein kinase RNA-like endoplasmic reticulum kinase (PERK), activating transcription factor 6 (ATF6), and inositol-requiring enzyme 1 (IRE1) branches. (helsinki.fi)
  • Transient overexpression of UBCv1 impaired activation of NF-κB and AP-1 transcription factors induced by several agonists of these pathways. (mdpi.com)
  • Here, we review some of the recent advances and studies that highlight the roles of these changes as well as antigen presentation and stress response pathways in beta cells in the onset and propagation of the autoimmune process in type 1 diabetes. (springer.com)
  • When a second nutrient and its metabolic pathway are introduced, the system must further decide whether and how to activate both pathways. (lu.se)
  • The signaling pathways activated by the oncogenic mutants are in part overlapping with those normally activated by these receptors, but there are also signal transduction pathways that are unique to the oncogenic mutants. (lu.se)
  • These results suggest that differential expression of Apaf-1 and caspase-3 genes may underlie regulation of apoptotic susceptibility during brain development, as well as after acute injury to mature brain, through the intrinsic pathway of caspase activation. (jneurosci.org)
  • PTFs also enable other transcription factors, histone modifiers, and nucleosome remodeling complexes to alter the chromatin state and promote gene expression of silenced genes. (cytoskeleton.com)
  • The transcription factors Oct4, Sox2, and Klf4 were found to trigger endogenous expression of pluripotent genes [2] and were identified as PTFs due to their ability to access closed chromatin [3] . (cytoskeleton.com)
  • Immunity genes are activated in the Drosophila fat body by Rel and GATA transcription factors. (sdbonline.org)
  • DEAF-1 activates the expression of Mtk and Drs promoter-luciferase fusion genes in S2 cells. (sdbonline.org)
  • A very natural place to study gene detecting and metabolizing lactose, it is known that the overall regulation is in the metabolism of the cell, and then specifically in effect of expressing the lac genes in vain is a drop in the growth rate the regulation of genes that code for enzymes and transporter of as much as 5% [1,6]. (lu.se)
  • [ 1 ] Identifying candidate precursors or enabling genes may pave the way for cancer screening, as with the ret proto-oncogene and medullary thyroid carcinoma . (medscape.com)
  • In the neurons to which information is input, MAPK(1) activates transcription factor CREB(2) by training with an interval, and expresses c-fos(3). (sciencedaily.com)
  • c-fos is also a transcription factor, which is activated by MAPK and expresses CREB. (sciencedaily.com)
  • By repetitive learning at intervals, MAPK is activated in the nerve cells to which repetitive information is input, so that a transcription cycle of CREB and c-fos is formed. (sciencedaily.com)
  • Acute exposure to alcohol stimulates dopamine release into the NAc, which activates D1 receptors, stimulating PKA signaling and subsequent CREB-mediated gene expression, whereas chronic alcohol exposure leads to an adaptive downregulation of this pathway, in particular of CREB function. (genome.jp)
  • However, it is becoming increasingly clear that these factors and their receptors are also widely found to express across many different cancers with further research. (medsci.org)
  • Long-term memory (LTM) is formed by repetitive training trials with rest intervals and LTM formation requires transcription factors, including CREB and c-Fos. (sciencedaily.com)
  • By repeating training, it became clear that a transcription cycle such as c-fos expressing CREB and CREB expressing c-fos was formed. (sciencedaily.com)
  • In the nerve cells in which the transcription cycle is formed, the amount of CREB increases and it becomes an engram cell in which long-term memory is formed. (sciencedaily.com)
  • Here we demonstrate that, during brain maturation, the potential of the intrinsic apoptotic pathway is progressively reduced and that such repression is associated with downregulation of apoptotic protease-activating factor-1 (Apaf-1) and caspase-3 gene expression. (jneurosci.org)
  • And the LEF / TCF family transcription factor, along with other proteins, binds to DNA and inhibits gene expression. (researchsquare.com)
  • DEAF-1 recognizes several TTCG motifs within the portion of the Dfd autoregulatory region termed 'module E.' In addition, DEAF-1 binds several similar motifs within a Dfd response element ( DRE ) from the 1.28 gene that enhances maxillary gene expression during embryogenesis (Pederson, 2000). (sdbonline.org)
  • Programmable DNA binding proteins have emerged as an exciting platform for engineering synthetic transcription factors for modulating endogenous gene expression 5 - 11 . (cdc.gov)
  • Overexpression of DEAF-1 by using a maternal driver inhibits germ-band retraction and causes defects in dorsal closure, whereas overexpression at later stages causes cell death (Reed, 2008). (sdbonline.org)
  • A similar decline in apoptotic susceptibility associated with downregulation of Apaf-1 expression as a function of developmental age was also found in cultured primary rat cortical neurons. (jneurosci.org)
  • Moreover, we determined that during purvalanol-mediated ER stress, autophagic machinery was also activated prior to apoptotic cell death finalization. (spandidos-publications.com)
  • However, if the UPR is activated continuously for a long time, the apoptotic pathway will be triggered, and the cell will die. (helsinki.fi)
  • Here we report that antidiabetic thiazolidinediones (TZDs) and other ligands for the nuclear receptor PPARγ dramatically upregulate oxidized LDL receptor 1 (OLR1) in adipocytes by facilitating the exchange of coactivators for corepressors on the OLR1 gene in cultured mouse adipocytes. (jci.org)
  • Li Q, Cao Z, Zhao S. The Emerging Portrait of Glial Cell Line-derived Neurotrophic Factor Family Receptor Alpha (GFRα) in Cancers. (medsci.org)
  • Glial cell line-derived neurotrophic factor family receptor alpha (GFRα) members have been widely connected to the mechanisms contributing to cell growth, differentiation, cell migration and tissue maturation. (medsci.org)
  • When GFLs bind with GFRα, they form complexes and associate with the RET receptor, subsequently activating downstream signaling. (medsci.org)
  • Activated and released IRE1α acts as an RNase to initiate transcription of XBP1 mRNA and it becomes a transcriptional activator for unfolded protein response (UPR) gene targets, such as BiP and calreticulin ( 10 ). (spandidos-publications.com)
  • Upon ER stress, IRE1 dimerizes and oligomerizes, and its endonuclease domain is activated. (helsinki.fi)
  • The reporter was expressed when IRE1 splicing was activated, since the XBP1 intron fragment was fused to the Nano luciferase gene. (helsinki.fi)
  • qPCR revealed that the other observed UPR markers were activated as well upon thapsigargin treatment, however, they were not decreased with the treatment with IRE1 specific inhibitors. (helsinki.fi)
  • Together, the experiments done with cells transfected with CDNF, MANF or MANF mutants, suggested that the tested neurotrophic factors decreased IRE1 oligomerization and its activation. (helsinki.fi)
  • Ca(2+) release-activated Ca(2+) (crac) channel subunit which mediates Ca(2+) influx following depletion of intracellular Ca(2+) stores and channel activation by the Ca(2+) sensor, stim1. (lu.se)
  • Activated macrophages kill intracellular organisms and secrete cytokines (eg, tumor necrosis factor-alpha [TNF-alpha], IL-10). (msdmanuals.com)
  • 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)
  • Below we discuss mechanisms in the form of pioneer transcription factors, histone modifications, and recently identified actin-dependent mechanisms that regulate chromosome accessibility and gene regulation during cellular reprogramming. (cytoskeleton.com)
  • Although the current generation of dCas9-based transcription activators is able to achieve up-regulation of some endogenous loci, the magnitude of transcriptional up-regulation achieved by individual single-guide RNAs (sgRNAs) 12 typically ranges from low to ineffective 8 - 11 . (cdc.gov)
  • Given the functional relation between KIT and the transcription factor MITF, we are investigating the molecular mechanisms behind the KIT-mediated regulation of MITF. (lu.se)
  • Although the exact molecular mechanism of the RA pathogenesis remains elusive, proinflammatory cytokines including tumor necrosis factor- (TNF-) α and interleukin- (IL-) 1 β and autoreactive T cells are known to play central roles in the development and progression of RA [ 1 ]. (hindawi.com)
  • Here, we show that in primary human femoral head osteoarthritic and normal bovine chondrocytes, TWHF partially or completely inhibited mRNA and protein expression of tumor necrosis factor-α, interleukin (IL)-1, and IL-17-inducible MMP-3 and MMP-13. (aspetjournals.org)
  • Interleukin (IL)-9-producing subset called Th9 cell, Th22 cells which primarily secrete IL-22, IL-13 and tumor necrosis factor- and Th25 cells via producing IL-25 are believed to be important for initiating allergic reactions and developing airway inflammation. (cdc.gov)
  • Macrophages are activated by cytokines (eg, IFN-gamma, interleukin (IL)-4, IL-13) and by various microbial components (eg, lipopolysaccharide). (msdmanuals.com)
  • It specifically targets X-box-binding protein 1 (XBP1) mRNA, from which a 26 nt intron is spliced. (helsinki.fi)
  • This allows a complete translation of spliced XBP1 mRNA into a functional protein that acts as a transcription factor. (helsinki.fi)
  • Injury-induced cytochrome c -specific cleavage of caspase-9 followed by activation of caspase-3 in mature brain correlated with marked increases in Apaf-1 and caspase-3 mRNA and protein expression. (jneurosci.org)
  • Activating transcription factor-(ATF-) 3, a stress-inducible transcription factor, is rapidly upregulated under various stress conditions and plays an important role in inducing cancer cell apoptosis. (hindawi.com)
  • Chronic ER stress promotes apoptosis, at least in part through the UPR-induced transcription factor C/EBP homologous protein (CHOP). (jci.org)
  • These findings suggest that CHOP is a fundamental factor that links protein misfolding in the ER to oxidative stress and apoptosis in β cells under conditions of increased insulin demand. (jci.org)
  • Finally, patients with certain subtypes of malignant melanoma carry activating mutations in KIT that is driving the disease. (lu.se)
  • On the other hand, ATF-3 is rapidly induced in cells treated with growth stimulators such as serum and growth factors [ 20 ]. (hindawi.com)
  • Transforming growth factor- (TGF-) β and IL-6 primes initial differentiation and IL-23 promotes functional maturation of Th17 cells [ 7 ]. (hindawi.com)
  • BR22, a 26 kDa thyroid transcription factor-1 associated protein (TAP26), is expressed in human lung cells. (nih.gov)
  • The TTF-1/TAP26 complex differentially modulates surfactant protein-B (SP-B) and -C (SP-C) promoters in lung cells. (nih.gov)
  • Über Zwischenschritte führt dies zu einer Induktion der Transkriptionsfaktoren „nuclear factor-kappa of B cells" (NF-κB) und „activator protein-1" (AP-1) und einer konsekutiven Expression pro-inflammatorischer Zytokine (Abb. (springermedizin.de)
  • Type 1 diabetes results from the poorly understood process of islet autoimmunity, which ultimately leads to the loss of functional pancreatic beta cells. (springer.com)
  • Type 1 diabetes results from organ-specific autoimmunity, which eliminates most of the insulin-producing pancreatic beta cells. (springer.com)
  • It was once believed that virtually all beta cells are lost in type 1 diabetes. (springer.com)
  • However, it now is clear that there is a range of residual beta cells that are dysfunctional in people with newly diagnosed type 1 diabetes [ 2 ]. (springer.com)
  • In particular, the dialogue between T cells and beta cells is far more complex in humans and recent evidence supports potential type 1 diabetes 'endotypes' based on age at onset [ 8 , 9 ]. (springer.com)
  • We advance the hypothesis that antigen presentation by beta cells, their stress responses and functional heterogeneity are critical factors that will provide clues towards solving the enigma posed by islet autoimmunity in type 1 diabetes. (springer.com)
  • Crac channels are the main pathway for Ca(2+) influx in T-cells and promote the immune response to pathogens by activating the transcription factor NFAT. (lu.se)
  • Dendritic cells in the skin act as sentinel APCs, taking up antigen, then traveling to local lymph nodes where they can activate T cells. (msdmanuals.com)
  • Monocytes migrate into tissues, where over about 8 hours, they develop into macrophages under the influence of macrophage colony-stimulating factor (M-CSF), secreted by various cell types (eg, endothelial cells, fibroblasts). (msdmanuals.com)
  • At infection sites, activated T cells secrete cytokines (eg, interferon-gamma [IFN-gamma]) that induce production of macrophage migration inhibitory factor, preventing macrophages from leaving. (msdmanuals.com)
  • The glial cell line-derived neurotrophic factors (GDNFs), a family of neurotrophic factors, were initially thought to be able to regulate the growth, survival, and differentiation of neural-derived cell types. (medsci.org)
  • Both cell lines were used to test the effect of neurotrophic factors CDNF, MANF, and MANF mutant isomers on the UPR with and without tunicamycin treatment. (helsinki.fi)
  • No significant difference among the tested neurotrophic factors was observed. (helsinki.fi)
  • For example, the single-autoantibody-positive stage generally has a significantly lower of risk of progression [ 12 ] and as such is not considered as the earliest stage of type 1 diabetes. (springer.com)
  • To date, various genome-scale loss-of-function screening methods have been developed, including approaches employing RNA interference 1 , 2 and the RNA-guided endonuclease Cas9 from the microbial CRISPR (clustered regularly interspaced short palindromic repeat) adaptive immune system 3 , 4 . (cdc.gov)
  • Studies using these samples found associations between fatal outcomes and elevated liver enzyme levels, renal dysfunction, cytokine dysregulation, and genetic factors. (cdc.gov)
  • We also demonstrated upregulation of ETS-1 and ETS-2 target expressions in Tyrp-1-TAg mice when comparing with the same target expressions in control mice. (molvis.org)
  • Obesity can be viewed as a state of long-term lipid disequilibrium that is marked by massive adipocyte hypertrophy and is a major risk factor for developing insulin resistance and type 2 diabetes. (jci.org)
  • This screen identifies new regulators of myofiber atrophy and hypertrophy, including the transcription factor Deaf1 . (sdbonline.org)
  • We have studied the transgenic mouse strain, Tyrp-1-TAg, to try to gain insight into possible molecular mechanisms common to pigmented ocular neoplasms occurring spontaneously in the eyes of these mice and human choroidal melanoma. (molvis.org)
  • thus, it may represent a class of sequence-specific factors that activate transcription by direct effects on chromatin components. (wikipedia.org)
  • however, ectopic induction of PU.1 promoted extensive remodeling of chromatin, de novo chromatin access, and redistribution of partner TFs [5] Evidence of PTFs has also been recently identified in plants. (cytoskeleton.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)
  • Among the established custom DNA binding domains, Cas9 is most easily scaled to facilitate genome-scale perturbations 3 , 4 due to its simplicity of programming relative to zinc finger proteins and transcription activator-like effectors (TALEs). (cdc.gov)
  • The coexpression of DEAF-1 with Dorsal, Dif, and Relish results in the synergistic activation of transcription. (sdbonline.org)
  • Cas9 nuclease can be converted into an RNA-guided DNA binding protein (dCas9) via inactivation of its two catalytic domains 12 , 13 and then fused to transcription activation domains. (cdc.gov)
  • Beclin-1 and Atg-5 expression levels were upregulated and LC3 was cleaved after a 6 h purvalanol treatment. (spandidos-publications.com)
  • CDKs show their action by interacting with cyclins and different CDK-cyclin complexes regulate the cell cycle in the G1, S and G2/M phases ( 1 ). (spandidos-publications.com)
  • The protein also associates with cyclin C and phosphorylates the retinoblastoma 1 protein to promote exit from G0. (antibodies-online.com)
  • SELEX assays and footprinting data indicate that DEAF-1 binds to and activates Mtk and Drs regulatory DNAs via a TTCGGBT motif. (sdbonline.org)
  • BR22, a novel protein, interacts with thyroid transcription factor-1 and activates the human surfactant protein B promoter. (nih.gov)
  • Altogether, this study defines the repertoire of transcription factors that regulate developmental myofiber growth and the role of Gsk3/Deaf1/glycolysis in this process. (sdbonline.org)
  • The relatively large number of pediatric cases in this outbreak enabled closer investigation of factors associated with increased survival of pediatric patients with Ebola virus disease. (cdc.gov)
  • The major risk factors include chronic hepatitis B virus (HBV) infection, chronic hepatitis C virus (HCV) infection, environmental carcinogens such as aflatoxin B1 (AFB1), alcoholic cirrhosis, and inherited genetic disorder such as hemochromatosis, Wilson's disease, and tyrosinemia. (hindawi.com)
  • The 32-aa MYND domain (for myeloid, Nervy, and Deaf-1) contains non-DNA-binding zinc fingers that are thought to mediate protein-protein interactions (Gross, 1996). (sdbonline.org)
  • Pretreatment for 30 min or 1 h (but not 2-10 h) after IL-1 treatment with TWHF inhibited MMP-3 RNA induction. (aspetjournals.org)