Ctcf p53

WebFigure 1. CTCF is required for regulation of the p53/Wrap53 locus. (A) Genomic organization of the p53/Wrap53 locus.(B) Immunoblot after shRNA-mediated knockdown of CTCF or with empty vector (control) in U2OS cells. β-Actin served as loading control.(C) RNA was quantified by RT-qPCR after knockdown, as indicated, and normalized to … WebKeywords: CTCF, p53, breast cancer . Introduction. CCCTC-binding factor (CTCF) is a widely expressed 11-zinc finger multifunctional protein that is involved in different aspects of gene regulation including promoter …

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WebApr 14, 2024 · Binding of CTCF or deletion in promoter determine alternative gene activation. CCAT2 eRNA: MYC, miR-17-5p, and miR-20a are up-regulated by CCAT2. Metastatic progression and SNP-related risk in colon cancer: SNP status affects CCAT2 expression. p53 enhancer regions (p53BERs) eRNA production is required in p53 … WebJul 20, 2024 · Increased GLI1, Shh, PTCH1, and PTCH2 levels were observed in CTCF-overexpressing cells using western blot analyses. CCK-8 and apoptosis assays revealed … lithium battery golf cart for sale near me https://reesesrestoration.com

过氧化物酶体增殖物活化受体 - 维基百科,自由的百科全书

WebApr 1, 2014 · Apart from its established role at the p53 promoter, CTCF regulates p53 expression through its physical interaction with Wrap53 RNA. Cells harboring a CTCF mutant in its RBR exhibit a defective p53 response to DNA damage. Moreover, the RBR facilitates CTCF multimerization in an RNA-dependent manner, which may bear directly … http://genesdev.cshlp.org/content/28/7/723.full#:~:text=Apart%20from%20its%20established%20role%20at%20the%20p53,exhibit%20a%20defective%20p53%20response%20to%20DNA%20damage. WebSep 1, 2001 · CTCF is an evolutionarily conserved zinc finger (ZF) phosphoprotein that binds through combinatorial use of its 11 ZFs to ∼50 bp target sites that have remarkable sequence variation. ... . 36), the same mechanism operating through the CTCF CKII site would provide a coordination of the events regulated by CTCF and p53. Our preliminary ... improving nutrition for weight management

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Ctcf p53

Epigenetic regulation of the human p53 gene promoter …

Transcriptional repressor CTCF also known as 11-zinc finger protein or CCCTC-binding factor is a transcription factor that in humans is encoded by the CTCF gene. CTCF is involved in many cellular processes, including transcriptional regulation, insulator activity, V(D)J recombination and regulation of chromatin architecture. WebMoreover, overexpression of CTCF in B-cell lymphoma leads to apoptosis, downregulation of c-Myc oncogene, and upregulation of P53 target genes. CTCF’s role in tumor suppression is further demonstrated in vivo using CTCF hemizygous knockout mice, which have a significantly higher chance to succumb to different types of cancer including uterine ...

Ctcf p53

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WebAug 2, 2024 · Of note, the CTCF phospho-depletion mutant S224E resulted in dysregulation of hundreds of target genes, including p53 and p21 . CTCF was found to be a substrate for LATS kinase, and cellular-stress-induced activity of LATS directly phosphorylates CTCF’s zinc finger (ZF) linker and selectively dissociates CTCF from a small fraction of its ... WebPPARα与γ的作用过程. 過氧化物酶體增殖物活化受體 或稱為 脂小體增生活化受體 (Peroxisome proliferator-activated receptor,PPARs)在 分子生物學 的領域裡,是一組 核受體 蛋白 ,具有 轉錄因子 的功能,以調控 基因 表達 [1] 。. 這組核受體蛋白對高等生物的 …

WebMoreover, overexpression of CTCF in B-cell lymphoma leads to apoptosis, downregulation of c-Myc oncogene, and upregulation of P53 target genes. CTCF’s role in tumor suppression is further demonstrated in vivo using CTCF hemizygous knockout mice, which have a significantly higher chance to succumb to different types of cancer including uterine ... WebSep 16, 2024 · CTCF is a predominant insulator protein required for three-dimensional chromatin organization. However, the roles of its insulation of enhancers in a 3D nuclear organization have not been fully explained. ... Hotspot somatic missense mutational landscape of the P53 protein. The top 6 high-frequency mutation positions were chosen …

Web代謝產物活化蛋白(CAP,Catabolite activator protein),也稱為cAMP受體蛋白(CRP,cAMP Receptor Protein),為一種轉錄促進劑,以同型二聚體的方式存在。 其在結合上DNA時會同時彎曲DNA結構,促進RNA聚合酶的結合,加快轉錄速度。. 其結合在 乳糖操作子 ( 英语 : lac operon ) 的啟動子上後,會促進該操作子的轉錄。 WebFeb 19, 2014 · Increased p53 and PUMA levels in the Ctcf-null telencephalon. Both the Foxg1Cre and NestinCre models of CTCF loss exhibit increased levels of apoptosis, although the timing of onset differs between the two mutants. To investigate the molecular mechanism responsible for neuronal cell death due to CTCF loss, we assessed …

WebNov 10, 2024 · p53 is a transcription factor that suppresses tumor growth through regulation of dozens of target genes with diverse biological functions. ... Insulation by CTCF chromatin boundaries in specific ...

Transcriptional repressor CTCF also known as 11-zinc finger protein or CCCTC-binding factor is a transcription factor that in humans is encoded by the CTCF gene. CTCF is involved in many cellular processes, including transcriptional regulation, insulator activity, V(D)J recombination and regulation of … See more CCCTC-Binding factor or CTCF was initially discovered as a negative regulator of the chicken c-myc gene. This protein was found to be binding to three regularly spaced repeats of the core sequence CCCTC and thus … See more The primary role of CTCF is thought to be in regulating the 3D structure of chromatin. CTCF binds together strands of DNA, thus forming chromatin loops, and anchors DNA to cellular … See more CTCF binds to the consensus sequence CCGCGNGGNGGCAG (in IUPAC notation). This sequence is defined by 11 zinc finger motifs in its structure. CTCF's binding is disrupted by See more • Ohlsson R, Renkawitz R, Lobanenkov V (2001). "CTCF is a uniquely versatile transcription regulator linked to epigenetics and disease". Trends Genet. 17 (9): 520–7. See more The binding of CTCF has been shown to have many effects, which are enumerated below. In each case, it is unknown if CTCF directly evokes the outcome or if it does so indirectly (in … See more CTCF binds to itself to form homodimers. CTCF has also been shown to interact with Y box binding protein 1. CTCF also co-localizes with See more • CCCTC-binding+factor at the U.S. National Library of Medicine Medical Subject Headings (MeSH) • FactorBook CTCF See more improving nursing workflowWebSep 29, 2024 · The transcription factor p53 is a tumor suppressor gene that plays an important role in regulating cell growth, apoptosis, and DNA … improving object partnersWebMar 15, 2024 · CTCF protein expression was also retained (Extended Data Fig. Fig.5d), 5d), which is not a direct target of TP53 (Extended Data Fig. Fig.5e). 5e). These data indicate that activation of the p53-dependent tetraploid checkpoint is important to increase protein production and to maintain chromatin conformation and epigenetic status in WGD cells. lithium battery golf carts for saleWebOct 1, 2001 · indirect 21 or direct 37 CTCF–p53 interactions. A third motif of potential importance, located. between the A T-hook and phosphorylation sites (Fig. 1c), contains two repeats of the PXXP-signature. lithium battery golf carts vs wet batteryWebApr 17, 2014 · CTCF is known to bind to and induce the transcription of TP53, and the CTCF binding site in the TP53 promoter overlaps with the first intron of WRAP53 on the opposite DNA strand, suggesting that ... lithium battery golf carts for sale near meWebJan 10, 2003 · CTCF then acts through ARF, a direct transcriptional target, to activate p53 and its downstream target, p21. Direct interaction of CTCF with the promoter of p27 results in transcriptional activation (C.-F.Q., unpublished observations), a function that would synergize with down-regulation of MYC, a transcriptional repressor of p27 ( 36 ). improving observation practice guidanceWebSep 25, 2012 · CTCF is involved in the regulation of both miR-125b1 and miR-375, indicating that there are various patterns of CTCF-associated epigenetic regulation of miRNAs. CTCF may also play a key role in the pluripotency of cells through the regulation of miR-290 cluster. ... miR-34a was identified as a target of p53 and induces a G(1) cell … improving nutrition for sport performance