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proteins. Page last changed on 30 Mar 2015.
E1A binding protein p300
This gene encodes the adenovirus E1A-associated cellular p300 transcriptional co-activator protein. It functions as histone acetyltransferase that regulates transcription via chromatin remodeling and is important in the processes of cell proliferation and differentiation. It mediates cAMP-gene regulation by binding specifically to phosphorylated CREB protein. This gene has also been identified as a co-activator of HIF1A (hypoxia-inducible factor 1 alpha), and thus plays a role in the stimulation of hypoxia-induced genes such as VEGF. Defects in this gene are a cause of Rubinstein-Taybi syndrome and may also play a role in epithelial cancer. [provided by RefSeq, Jul 2008] (from
Srivastava et al., San Francisco, United States. In Cell, 12 Apr 2015
Here, we utilized human induced pluripotent stem cell (iPSC)-derived endothelial cells (ECs) to show that heterozygous nonsense mutations in NOTCH1 that cause aortic valve calcification disrupt the epigenetic architecture, resulting in derepression of latent pro-osteogenic and -inflammatory gene networks.
Galloway et al., Seattle, United States. In Plos Pathog, 31 Mar 2015
By binding and destabilizing a histone acetyltransferase, p300, β-HPV 5 and 8 E6 reduce the enrichment of the transcription factor at the promoter of two genes critical to the homology dependent repair of DSBs (BRCA1 and BRCA2).
Cancer Genome Atlas Network, In Nature, 01 Mar 2015
A subgroup of oral cavity tumours with favourable clinical outcomes displayed infrequent copy number alterations in conjunction with activating mutations of HRAS or PIK3CA, coupled with inactivating mutations of CASP8, NOTCH1 and TP53.
Tanaka et al., Tokyo, Japan. In J Ren Nutr, Jan 2015
IS impedes the recruitment of transcriptional coactivators to HIF via upregulation of Cbp/p300-interacting transactivator with Glu/Asp-rich carboxy-terminal domain 2 through a mechanism of posttranscriptional messenger RNA stabilization.
Califano et al., Baltimore, United States. In Ann N Y Acad Sci, Dec 2014
Emphasis is placed on the therapeutic implications of genes frequently altered in HNSCCs (i.e., TP53, PIK3CA, and NOTCH1) and their corresponding pathways, with a particular focus on recent findings of Notch signaling pathway activation in HNSCC.
Yang et al., Houston, United States. In Cell, Dec 2014
BCAR4 binding of SNIP1 and PNUTS in response to CCL21 releases the SNIP1's inhibition of p300-dependent histone acetylation, which in turn enables the BCAR4-recruited PNUTS to bind H3K18ac and relieve inhibition of RNA Pol II via activation of the PP1 phosphatase.
Bruserud et al., Bergen, Norway. In Molecules, 2013
Secondly, high CDC25B expression is associated with resistance against the antiproliferative effect of PI3K-Akt-mTOR inhibitors in primary human AML cells, and inhibition of this isoform seems to reduce AML cell line proliferation through effects on NFκB and p300.
Epstein et al., Philadelphia, United States. In Circulation, 2012
In an in vitro assay in newborn cardiomyocytes, recombinant Notch1 activation caused global changes in the transcriptome & in action potential characteristics, consistent with reprogramming to a conduction-like phenotype.
Kawakami T et al., In European Journal of Medical Research, 2005
... examination was carried out using a DAKO EnVision™+Kit (Dako Cytomation, Glostrup, Denmark) with the following 2 antibodies: Notch1 rabbit polyclonal antibody (ab27526, Abcam plc, Cambridge; dilution: 1/1000; ...