Phosphorylation regulates human oct4

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August undefined, 2024

WebApr 2, 2012 · We conclude that phosphorylation of T234 and S235 regulates OCT4 transcription primarily by altering its DNA binding capacity. Reprogramming experiments using the T234E_S235E and T234A_S235A mutants provided a perspective on the … WebJan 29, 2014 · MG132, a proteasome inhibitor, blocked LY294002-induced Oct4 reduction, indicating that Oct4 protein level is regulated by PI3K/Akt signaling via proteasome-dependent mechanism. Furthermore, analysis of Oct4 protein sequence revealed that it contained a consensus Akt phosphorylation motif.

Serine 111 Phosphorylation Regulates OCT4A Protein …

WebNov 18, 2024 · Furthermore, OCT4 and SOX2 are regulated by O‐GlcNAcylation [ 20] and SOX2 has been demonstrated to be regulated by acetylation [ 21 ]. To investigate how NANOG acts through partner proteins to deliver function, we determined the NANOG interactome [ 22 ]. WebAdditionally, phosphorylation of human OCT4 at Ser-229 by protein kinase A might partially regulate OCT4 transactivation activity (13). OCT4 is also a target for SUMO1 (small ubiquitin-related modifier 1) modification that occurs at a … imyourpt

The Oct4 protein: more than a magic stemness marker - PMC

WebApr 2, 2012 · We conclude that phosphorylation of T234 and S235 regulates OCT4 transcription primarily by altering its DNA binding capacity. Reprogramming experiments … WebPhosphorylation regulates human OCT4. Proc Natl Acad Sci U S A. 2012 May 8;109(19):7162-8. doi: 10.1073/pnas.1203874109. Epub 2012 Apr 2. PubMed ID. 22474382 [ View in PubMed] Abstract. The transcription factor OCT4 is fundamental to maintaining pluripotency and self-renewal. To better understand protein-level regulation of OCT4, we … WebFIGURE 4 OCT4A Ser-111 phosphorylation regulates OCT4A subcellular localization. A, NTera2 cells were serum-starved and then treated with FGF2 (100 ng/ml) for 30 min in the … ina cheesecake

Addgene: Phosphorylation regulates human OCT4.

Phosphorylation regulates human OCT4. DrugBank Online

WebPhosphorylation of Human Estrogen Receptor a by Protein Kinase A Regulates Dimerization DONGSHENG CHEN, PAUL E. PACE, ... (LBDs) and regulate transcription by binding to cis-acting enhancer elements in promoters of responsive genes as monomers or as homo- or heterodimers (12, 13, 55, 56, 83). Comparison of the amino acid sequences of WebMay 25, 2024 · Several post-translational modifications (PTMs) of Oct4 including phosphorylation, ubiquitination, and SUMOylation have been reported to regulate its critical functions in hESCs. Ubiquitination and deubiquitination of Oct4 should be well balanced to maintain the pluripotency of hESCs. ina cheraw scWebHuman Oct4 is known to be modified by O-GlcNAc (Webster et al. 2009), although the actual site of attachment or the functional implications of this modification have not yet been determined. In this study we showed that human Oct4 is extensively modified by O-GlcNAc which can regulate transcriptional activity of a variety of promoters. Results imyoungworld

"WebThe transcription factor OCT4 is fundamental to maintaining pluripotency and self-renewal. To better understand protein-level regulation of OCT4, we applied liquid chromatography … " - Phosphorylation regulates human oct4

Phosphorylation regulates human oct4

WebNov 2, 2012 · Recent analysis of the human ES cell phosphoproteome indicates that OCT4 is phosphorylated ( 6 ), but the functional consequences of these modifications have not been determined. In addition, limited data are available on the mechanisms regulating the nuclear entry of OCT4 and how its nuclear localization is linked to signaling pathways. WebPTM regulation of Oct4 The expression level and transcriptional activity of Oct4 are regulated by ubiquitination, SUMOylation, and phosphoylation. Ubiquitination-proteasome degradation is the main control system for maintaining and monitoring the quality and levels of protein expression in cells.

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WebPhosphorylation regulates human OCT4. Proc Natl Acad Sci U S A. 2012; 109(19):7162-8 (ISSN: 1091-6490) ... T234 and S235, suggested that phosphorylation within the homeobox region of OCT4 negatively regulates its activity by interrupting sequence-specific DNA binding. Mutating T234 and S235 to mimic constitutive phosphorylation at these sites ... WebSep 28, 2012 · Finally, we identified several signaling pathways which may mediate this phosphorylation and act in combination to regulate Oct4 transcriptional activity and …

WebApr 14, 2024 · Breast cancer represents the most common malignancy in women, with an increased incidence [1, 2].In 2024, 2.3 million people were estimated to be diagnosed with breast cancer worldwide, and 685,000 people died of this tumor [].Breast cancer is classified by the gene expression profiles into intrinsic subtypes, such as luminal A, luminal B, HER2 … WebJun 11, 2024 · Oct4 expression is regulated by two cis-enhancer elements (distal and proximal enhancers) that are located 2 kb upstream of its transcriptional start site 63, 64. Interestingly, the activity of...

WebFunctional analysis of two sites, T234 and S235, suggested that phosphorylation within the homeobox region of OCT4 negatively regulates its activity by interrupting sequence … WebJan 1, 2024 · These PTMs play essential roles in regulating the structure, activity, and localization of the OCT4 protein and its interactions with other cellular components. The …

WebAdditionally, phosphorylation of human OCT4 at Ser-229 by protein kinase A might partially regulate OCT4 transactivation activity (13. Saxe J.P. Tomilin A. Schöler H.R. Plath K. ... FIGURE 4 OCT4A Ser-111 phosphorylation regulates OCT4A subcellular localization. A, NTera2 cells were serum-starved and then treated with FGF2 (100 ng/ml) ...

WebPhosphorylation regulates human OCT4. Brumbaugh J, Hou Z, Russell JD, Howden SE, Yu P, Ledvina AR, Coon JJ, Thomson JA Proc Natl Acad Sci U S A. 2012 May 8;109 (19):7162-8. … ina cheynWebNov 16, 2024 · Therefore, we hypothesized that OCT4 activity might be regulated by PTMs, especially phosphorylation. To identify the potential kinases of OCT4, we conducted a … ina chery npiWebMay 14, 2024 · OCT4 phosphorylation at the S111 residue by MK2 was upstream of MYC transcriptional activation. ... J. et al. Phosphorylation regulates human OCT4. ... Avery, K., Moore, H. D. & Andrews, P. W ... imyourlittlebutterflyWebTherefore, phosphorylation of threonine343 is crucial for OCT4 function in the protection of ESC pluripotency. T343A ESCs Tend to Differentiate to Endoderm and Mesoderm Rather than to Ectoderm... imyphone comWebApr 2, 2012 · We conclude that phosphorylation of T234 and S235 regulates OCT4 transcription primarily by altering its DNA binding capacity. Reprogramming experiments … imyphone crack 2020WebFeb 4, 2024 · 2.1. PGC7 Regulates Genome-Wide DNA Methylation in F9 and NIH3T3 Cells. Previous studies have reported that PGC7 can regulate DNA methylation [14,15,16,17,18].We first evaluated the effects of PGC7 by knocking down Pgc7 in F9 cells and used SiPgc7-FAM, a green fluorescent dye marker, to determine genome-wide 5 mC levels following … ina chery mdWebPhosphorylation of T234 and S235 on OCT4 Regulates DNA Binding. Phosphorylation sites on OCT4 were scattered throughout the protein (Fig. 1A); however, two sites (T234 and … imyphone android lockwiper cracked