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E1A binding protein p300

p300, Notch1
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 NCBI)
Top mentioned proteins: Histone, CBP, CAN, V1a, p53
Papers using p300 antibodies
Stabilization of β-catenin induces pancreas tumor formation
Fontana Joseph A. et al., In Journal of Oncology, 2007
... -catenin, anti-caspase 3, anti-cleaved caspase-3, and activated anti-cleaved Notch-1 (Val 1744) were from Cell Signaling Technology (Boston, MA); anti-CD24 ...
The Nup358-RanGAP complex is required for efficient importin alpha/beta-dependent nuclear import
Kaether Christoph et al., In Cellular and Molecular Life Sciences, 2007
... Rabbit anti-cleaved Notch1 (Val1744; Cell Signaling Technology), rat anti-importin α1 ...
The role of insulin receptor signaling in zebrafish embryogenesis
Bocchetta Maurizio et al., In Oncogene, 2007
... and IRS-1 were from Santa Cruz Biotechnology (Santa Cruz, CA, USA); an additional siRNA to Notch-1 was from Qiagen; siRNAs to HIF-1α and ...
Interaction of p21(CDKN1A) with PCNA regulates the histone acetyltransferase activity of p300 in nucleotide excision repair.
Imperiale Michael, In PLoS Pathogens, 2007
... Purified recombinant FLAG-p300 and recombinant His-AKT1 were purchased from Active Motif.
Fibroblast growth factor inducible 14 (Fn14) is required for the expression of myogenic regulatory factors and differentiation of myoblasts into myotubes. Evidence for TWEAK-independent functions of Fn14 during myogenesis.
Vij Neeraj, In PLoS ONE, 2006
... Antibodies against IκBα, p50, p65, c-Jun, phospho-p52, phospho-IκB, phospho-IKKα and Notch1 were purchased from Santa Cruz Biotechnology (San Diego, CA) ...
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Papers on p300
Notch4 reveals a novel mechanism regulating Notch signal transduction.
Dunwoodie et al., Sydney, Australia. In Biochim Biophys Acta, Jul 2014
Notch4 is a divergent member of the Notch family of receptors that is primarily expressed in the vasculature.
Notch signaling genes: Myogenic DNA hypomethylation and 5-hydroxymethylcytosine.
Ehrlich et al., Ipswich, United States. In Epigenetics, Jul 2014
Reduced representation bisulfite sequencing (RRBS) indicated significant hypomethylation in myoblasts, myotubes, and skeletal muscle vs. many nonmuscle samples at intragenic or intergenic regions of the following Notch receptor or ligand genes: NOTCH1, NOTCH2, JAG2, and DLL1.
Identification of genomic alterations in oesophageal squamous cell cancer.
Zhan et al., Beijing, China. In Nature, Jun 2014
We identified eight significantly mutated genes, of which six are well known tumour-associated genes (TP53, RB1, CDKN2A, PIK3CA, NOTCH1, NFE2L2), and two have not previously been described in ESCC (ADAM29 and FAM135B).
An epigenetic mechanism of resistance to targeted therapy in T cell acute lymphoblastic leukemia.
Bernstein et al., Boston, United States. In Nat Genet, Apr 2014
The identification of activating NOTCH1 mutations in T cell acute lymphoblastic leukemia (T-ALL) led to clinical testing of γ-secretase inhibitors (GSIs) that prevent NOTCH1 activation.
Osteopontin-CD44 signaling in the glioma perivascular niche enhances cancer stem cell phenotypes and promotes aggressive tumor growth.
Holland et al., Seattle, United States. In Cell Stem Cell, Apr 2014
These effects were mediated via the γ-secretase-regulated intracellular domain of CD44, which promoted aggressive glioma growth in vivo and stem cell-like phenotypes via CBP/p300-dependent enhancement of HIF-2α activity.
Structural and functional characterization of a complex between the acidic transactivation domain of EBNA2 and the Tfb1/p62 subunit of TFIIH.
Omichinski et al., Montréal, Canada. In Plos Pathog, Mar 2014
As part of this function, EBNA2 associates with several host transcriptional regulatory proteins, including the Tfb1/p62 (yeast/human) subunit of the general transcription factor IIH (TFIIH) and the histone acetyltransferase CBP(CREB-binding protein)/p300, through interactions with its C-terminal transactivation domain (TAD).
The aggregation of mutant p53 produces prion-like properties in cancer.
Silva et al., In Prion, Jan 2014
Overall, studies imply that mutant p53 exerts a dominant-negative regulatory effect on wild-type (WT) p53 and exerts gain-of-function effects when co-aggregating with other proteins such as p63, p73 and acetyltransferase p300.
The heterotaxy gene GALNT11 glycosylates Notch to orchestrate cilia type and laterality.
Khokha et al., New Haven, United States. In Nature, Jan 2014
GALNT11 O-glycosylates human NOTCH1 peptides in vitro, thereby supporting a mechanism of Notch activation either by increasing ADAM17-mediated ectodomain shedding of the Notch receptor or by modification of specific EGF repeats.
Genome sequencing of lymphoid malignancies.
Mullighan, Memphis, United States. In Blood, Jan 2014
Although each tumor type is characterized by a unique genomic landscape, several cellular pathways are mutated in multiple tumor types-transcriptional regulation of differentiation, antigen receptor signaling, tyrosine kinase and Ras signaling, and epigenetic modifications-and individual genes are mutated in multiple tumors, notably TCF3, NOTCH1, MYD88, and BRAF.
Novel insight into mutational landscape of head and neck squamous cell carcinoma.
Sun et al., Baltimore, United States. In Plos One, Dec 2013
We have formerly described the mutation pattern of HNSCC and described NOTCH signaling pathway alterations.
Regulation of the NF-κB-Mediated Transcription of Inflammatory Genes.
Ghosh et al., New York City, United States. In Front Immunol, Dec 2013
NF-κB is in turn able to influence the chromatin state through a variety of mechanisms, including the recruitment of chromatin modifying co-activator complexes such as p300, the competitive eviction of negative chromatin modifications, and the recruitment of components of the general transcriptional machinery.
Acetylation of histone H3 at lysine 64 regulates nucleosome dynamics and facilitates transcription.
Schneider et al., Strasbourg, France. In Elife, Dec 2013
Moreover, we find that the p300 co-activator acetylates H3K64, and consistent with a transcriptional activation function, H3K64ac opposes its repressive counterpart H3K64me3.
A network of epigenetic regulators guides developmental haematopoiesis in vivo.
Zon et al., Boston, United States. In Nat Cell Biol, Dec 2013
These chromatin factors are associated with SWI/SNF and ISWI chromatin remodelling, SET1 methyltransferase, CBP-p300-HBO1-NuA4 acetyltransferase, HDAC-NuRD deacetylase, and Polycomb repressive complexes.
Animal models to study the mutational landscape for oral cavity and oropharyngeal cancers.
Widau et al., Chicago, United States. In J Oral Maxillofac Res, 2012
The genes identified by NGS included p53, RAS, Human Papillomavirus oncogenes, as well as novel genes such as NOTCH1, DICER and SYNE1,2.
Richter syndrome.
Gaidano et al., Novara, Italy. In Adv Exp Med Biol, 2012
Two biomarkers (NOTCH1 mutations and usage of the immunoglobulin VH CDR3 subset 8) may help in identifying CLL patients at risk of DLBCL transformation to be considered for close monitoring and a careful biopsy policy.
Notch1 counteracts WNT/β-catenin signaling through chromatin modification in colorectal cancer.
Kong et al., Seoul, South Korea. In J Clin Invest, 2012
a suppressive role of Notch1 on WNT/beta-catenin target genes involved in colorectal cancer.
The alarmin IL-33 is a notch target in quiescent endothelial cells.
Haraldsen et al., Oslo, Norway. In Am J Pathol, 2012
Endothelial nuclear IL-33 is induced by Notch and that Dll4 may be the dominant ligand responsible for this signaling in vivo.
Myocardial Notch signaling reprograms cardiomyocytes to a conduction-like phenotype.
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.
Acetylation-dependent regulation of Skp2 function.
Wei et al., Boston, United States. In Cell, 2012
Studies provide a mechanism whereby acetylation of Skp2 by p300 regulates protein stability and cellular localization, thus modulating oncogenic signaling.
Notch1 intracellular domain increases cytoplasmic EZH2 levels during early megakaryopoiesis.
Banerjee et al., Calcutta, India. In Cell Death Dis, 2011
NOTCH1 intracellular domain induces Akt-dependent upregulation of cytoplasmic EZH2.
More papers using p300 antibodies
Production and purification of lentiviral vectors.
Landsberger Nicoletta, In PLoS ONE, 2005
... The antibodies against USF1 (C-20), USF2 (C-20), YY1 (H-414), TFII-I (H-58), p300 (NM11), NF-YA (C-18) and NF-YB (C-20) were purchased from Santa Cruz Biotechnology (Santa Cruz, CA) ...
Recent insights into the role of Notch signaling in tumorigenesis
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; ...
Notch/gamma-secretase inhibition turns proliferative cells in intestinal crypts and adenomas into goblet cells
Barillé-Nion Sophie et al., In Breast Cancer Research : BCR, 2004
... Antibodies against cleaved Notch1 (N1ICD) were purchased from Cell Signaling (Saint Quentin en Yvelines, ...
STAT5-induced Id-1 transcription involves recruitment of HDAC1 and deacetylation of C/EBPβ
Chang Wen-Chang et al., In Nucleic Acids Research, 2002
... Antibodies against COX-2, NF-IL6β, SUMO1 and α-p300-conjugated agarose were purchased from Santa Cruz Biotechnology (Santa Cruz, CA) ...
Mechanical stress activates the nuclear factor-kappaB pathway in skeletal muscle fibers: a possible role in Duchenne muscular dystrophy.
Nogales-Gadea Gisela, In PLoS ONE, 2002
... Antibodies against IκBα and Notch1 were purchased from Santa Cruz Biotechnology (San Diego, CA) ...
Oncogenic forms of NOTCH1 lacking either the primary binding site for RBP-Jkappa or nuclear localization sequences retain the ability to associate with RBP-Jkappa and activate transcription.
Bergmann Andreas, In PLoS ONE, 1996
... The Notch1 NRR (1 mg/ml) was then cleaved in vitro overnight at 22°C in a total volume of 500 mL using 40 Units of recombinant furin (New England Biolabs, Beverly MA) in 10 ...
AP-1 transcriptional activity is regulated by a direct association between thioredoxin and Ref-1
Irani Kaikobad et al., In Nucleic Acids Research, 1996
... Antibodies against SIRT1, APE1, Myc-tag and p300 were obtained from Santa Cruz Biotechnology (Santa Cruz, CA) ...
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