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H2A histone family, member X

Histones are basic nuclear proteins that are responsible for the nucleosome structure of the chromosomal fiber in eukaryotes. Two molecules of each of the four core histones (H2A, H2B, H3, and H4) form an octamer, around which approximately 146 bp of DNA is wrapped in repeating units, called nucleosomes. The linker histone, H1, interacts with linker DNA between nucleosomes and functions in the compaction of chromatin into higher order structures. This gene encodes a member of the histone H2A family, and generates two transcripts through the use of the conserved stem-loop termination motif, and the polyA addition motif. [provided by RefSeq, Jul 2008] (from NCBI)
Top mentioned proteins: Histone, CAN, Atm, p53, V1a
Papers using H2A antibodies
Comparative study of cytotoxicity, oxidative stress and genotoxicity induced by silica nanomaterials in human neuronal cell line
Celotti Lucia et al., In Analytical and Bioanalytical Chemistry, 2009
... Anti-γ-H2AX mouse monoclonal antibody was purchased from Upstate, Millipore (Billerica, MA, USA) and from Molecular Probes (Alexa Fluor, Life Technologies, Carlsbad, CA, USA) ...
Prediction and functional analysis of native disorder in proteins from the three kingdoms of life.
Lustig Arthur J., In PLoS ONE, 2009
... Human H2A peptides 1–100 (ab27894) and 100-end (ab15660) were from Abcam.
Parameters of oligonucleotide-mediated gene modification in mouse ES cells
Kmiec Eric B et al., In Molecular therapy. Nucleic acids, 2009
... antibodies were added at a dilution of 1:100 in 10% milk and kept at 4 °C overnight (γH2AX: Cell Signaling, Boston, MA; PCNA: Santa ...
Aggresome-forming TTRAP mediates pro-apoptotic properties of Parkinson's disease-associated DJ-1 missense mutations
Li R et al., In Oncogene, 2008
... (Danvers, MA, USA); phospho-JNK1/2/3(sc-6254), MYC(sc-764) and γ-H2AX(sc-101696) from Santa Cruz Biotechnology, Inc ...
Noxa mediates bortezomib induced apoptosis in both sensitive and intrinsically resistant mantle cell lymphoma cells and this effect is independent of constitutive activity of the AKT and NF-kappaB pathways.
Hofmann Andreas, In PLoS ONE, 2007
... out using the following antibodies: FLAG antibody (Sigma), NOXA antibody (EMD), ATF3 (Santa Cruz), histone H2A (Abcam).
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Papers on H2A
Inhibition of cyclin D1 enhances sensitivity to radiotherapy and reverses epithelial to mesenchymal transition for esophageal cancer cells.
Chen et al., Wenzhou, China. In Tumour Biol, 11 Dec 2015
The average number of irradiation-induced γ-H2AX foci increased in the cells treated with cyclin D1 siRNA, indicating impaired DNA double-strand break (DSB) repair in KYSE-150R cells.
Poly(ADP-ribosyl)ation-dependent transient chromatin decondensation and histone displacement following laser micro-irradiation.
Hendzel et al., Canada. In J Biol Chem, 11 Dec 2015
UNASSIGNED: Chromatin undergoes a rapid ATP-dependent, ATM and H2AX-independent decondensation when DNA damage is introduced by laser micro-irradiation.
Novel β-Carboline/Hydroxamic Acid Hybrids Targeting Both Histone Deacetylase and DNA Display High Anticancer Activity via Regulation of the P53 Signaling Pathway.
Ling et al., In J Med Chem, 10 Dec 2015
Furthermore, 11c simultaneously increased the acetylation of histone H3 and α-tubulin, enhanced DNA damage markers histone H2AX phosphorylation and p-p53 (Ser15) expression, and activated p53 signaling pathway in HCT116 cells.
Nitrogen Mustard-Induced Corneal Injury Involves DNA Damage and Pathways Related to Inflammation, Epithelial-Stromal Separation, and Neovascularization.
Agarwal et al., Aurora, United States. In Cornea, 06 Dec 2015
In HCE cells, NM exposure resulted in a dose-dependent decrease in cell viability and proliferation, which was associated with DNA damage in terms of an increase in p53 ser15, total p53, and H2A.X ser139 levels.
Extensive Nuclear Reprogramming Underlies Lineage Conversion into Functional Trophoblast Stem-like Cells.
Buganim et al., Jerusalem, Israel. In Cell Stem Cell, 05 Dec 2015
iTSCs possess transcriptional profiles highly similar to blastocyst-derived TSCs, with comparable methylation and H3K27ac patterns and genome-wide H2A.X deposition.
Electronic cigarettes induce DNA strand breaks and cell death independently of nicotine in cell lines.
Ongkeko et al., San Diego, United States. In Oral Oncol, 04 Dec 2015
Genotoxicity in the form of DNA strand breaks was quantified using the neutral comet assay and γ-H2AX immunostaining.
Loss of BAP1 function leads to EZH2-dependent transformation.
Levine et al., New York City, United States. In Nat Med, 30 Nov 2015
The tumor suppressors BAP1 and ASXL1 interact to form a polycomb deubiquitinase complex that removes monoubiquitin from histone H2A lysine 119 (H2AK119Ub).
Histone H1 couples initiation and amplification of ubiquitin signalling after DNA damage.
Mailand et al., Copenhagen, Denmark. In Nature, 21 Nov 2015
Whereas RNF168 is known to catalyse ubiquitylation of H2A-type histones, leading to the recruitment of repair factors such as 53BP1 (refs 8, 9, 10), the critical substrates of RNF8 and K63-linked ubiquitylation remain elusive.
DNA Damage Response Assessments in Human Tumor Samples Provide Functional Biomarkers of Radiosensitivity.
von Neubeck et al., Heidelberg, Germany. In Semin Radiat Oncol, 31 Oct 2015
Investigators are increasingly studying the subnuclear accumulation (ie, foci) of proteins in the DNA damage response (DDR), such as gamma-H2AX, 53BP1, or RAD51, as a surrogate of treatment sensitivity.
Radiation signature on exposed cells: Relevance in dose estimation.
Paul et al., Chennai, India. In World J Radiol, 28 Oct 2015
Current status of the gold standard dicentric chromosome assay, micronucleus assay, translocation measurement by fluorescence in-situ hybridization and an emerging protein marker the γ-H2AX assay are discussed with our laboratory data.
Local generation of fumarate promotes DNA repair through inhibition of histone H3 demethylation.
Lu et al., Houston, United States. In Nat Cell Biol, Sep 2015
Here, we show that exposure to ionizing radiation induces DNA-PK-dependent phosphorylation of nuclear fumarase at Thr 236, which leads to an interaction between fumarase and the histone variant H2A.Z at DNA double-strand break (DSB) regions.
Viral and Cellular Genomes Activate Distinct DNA Damage Responses.
O'Shea et al., Los Angeles, United States. In Cell, Sep 2015
In contrast to chromosomal breaks, ATM activation is not amplified by H2AX across megabases of chromatin to induce global signaling and replicative arrest.
Chromatin Dynamics in Vivo: A Game of Musical Chairs.
Dalal et al., Bethesda, United States. In Genes (basel), Dec 2014
In this review, we will focus on the localization of the major histone variants H3.3, CENP-A, H2A.Z, and macroH2A, as well as how these variants have evolved, their structural differences, and their functional significance in vivo.
The Structural Determinants behind the Epigenetic Role of Histone Variants.
Ausió et al., Victoria, Canada. In Genes (basel), Dec 2014
A picture starts to emerge in which histone H2A variants, in addition to their individual specific contributions to the nucleosome structure and dynamics, globally impair the accessibility of linker histones to defined chromatin locations and may have important consequences for determining different states of chromatin metabolism.
Fine-tuning the ubiquitin code at DNA double-strand breaks: deubiquitinating enzymes at work.
Citterio, Amsterdam, Netherlands. In Front Genet, Dec 2014
Here, we discuss the current knowledge of how ub-mediated signaling at DSBs is controlled by DUBs, with main focus on DUBs targeting histone H2A and on their recent implication in stem cell biology and cancer.
RNF168 ubiquitinates K13-15 on H2A/H2AX to drive DNA damage signaling.
Sixma et al., Amsterdam, Netherlands. In Cell, 2012
Ubiquitin-dependent signaling during the DNA damage response (DDR) to double-strand breaks is initiated by two E3 ligases, RNF8 and RNF168, targeting histone H2A and H2AX. Study shows that ubiquitin chains per se are insufficient for signaling, but RNF168 target ubiquitination is required for DDR damage.
Redundant and nonredundant functions of ATM and H2AX in αβ T-lineage lymphocytes.
Bassing et al., Philadelphia, United States. In J Immunol, 2012
Both redundant and nonredundant functions of H2AX and ATM transgenes are required for normal recombination of T cell receptor (TCR) loci, proliferative expansion of developing thymocytes, and maintenance of genomic stability in cycling alphabeta T-lineage cells.
High basal γH2AX levels sustain self-renewal of mouse embryonic and induced pluripotent stem cells.
Giachino et al., Torino, Italy. In Stem Cells, 2012
Findings suggest a novel function of H2AX that expands the knowledge of this histone variant beyond its role in DNA damage and into a new specialized biological function in mouse pluripotent stem cells.
Deregulation of BRCA1 leads to impaired spatiotemporal dynamics of γ-H2AX and DNA damage responses in Huntington's disease.
Ryu et al., Seoul, South Korea. In Mol Neurobiol, 2012
BRCA1 directly modulates the spatiotemporal dynamics of gamma-H2AX upon genotoxic stress and serves as a molecular maker for neuronal DNA damage response in Huntington's disease.
Loss of CCDC6, the first identified RET partner gene, affects pH2AX S139 levels and accelerates mitotic entry upon DNA damage.
Celetti et al., Napoli, Italy. In Plos One, 2011
Following genotoxic stress, loss or inactivation of CCDC6 in cancers that carry the CCDC6 fusion, accelerates the dephosphorylation of pH2AX S139, resulting in defective G2 arrest and premature mitotic entry.
More papers using H2A antibodies
Complementary functions of ATM and H2AX in development and suppression of genomic instability
Malle Ernst et al., In DNA Repair, 2007
... , termed γ-H2AX, Cell Signaling Technology, Beverly, MA, USA); ...
Enhanced inhibition of adipogenesis and induction of apoptosis in 3T3-L1 adipocytes with combinations of resveratrol and quercetin
Cook John A. et al., In Frontiers in Oncology, 2007
... CA, USA); mouse monoclonal anti-phospho histone H2AX (Ser139), clone JBW301, and rabbit antiserum to histone H2A (acidic patch) were from Upstate Cell Signaling Solutions (Temecula, CA, USA) ...
Integrin-mediated transforming growth factor-beta activation regulates homeostasis of the pulmonary epithelial-mesenchymal trophic unit
Kuwano Kazuyoshi et al., In Oncoimmunology, 2005
... used were rabbit anti-LC3 (Novus), rabbit anti-ATG5 (Novus), mouse anti-p21 (Cell signaling Technology), rabbit anti-phospho-histone H2A.X (Ser139) (Cell signaling Technology), mouse anti-poly and ...
Augmentation of tumor angiogenesis by a Myc-activated microRNA cluster.
Oshima Robert, In PLoS ONE, 2005
... Cruz Biotechnology), Ki67 (Lab Vision, Fremont, CA, USA); mouse monoclonal antibodies for phosphor-H2AX, Ser 139, (γH2AX) (BioLegend, San Diego, CA, USA), ...
The comet assay: a method to measure DNA damage in individual cells
Fritz G et al., In Cell Death & Disease, 2005
... H2AX anti-rabbit antibody (pS139) (Epitomics, Burlingame, CA, USA), ERK2 ...
Human Fanconi anemia monoubiquitination pathway promotes homologous DNA repair.
Kirkpatrick David T., In PLoS ONE, 2004
... anti-CHK2 (Santa Cruz), anti-phospho-CHK1 (Ser 345) (Cell signaling), anti-phospho-CHK2 (Thr 68) (Cell signaling), anti-γH2AX (Upstate), anti-H2AX (Abcam), anti-HA (HA-7, Sigma) ...
Histochemical localization of alkaline phosphatase activity in decalcified bone and cartilage
Tang Liping et al., In Scientific Reports, 2001
... Primary antibodies CD34, CD44, CD105, CD29, SCA-1, CD45, osteocalcin, 53BP1, γ-H2AX, were purchased from Santa Cruz Biotechnology Inc (Santa Cruz, CA) ...
Functional interaction between BLM helicase and 53BP1 in a Chk1-mediated pathway during S-phase arrest
Harris Curtis C. et al., In The Journal of Cell Biology, 2001
... Anti-γ-H2AX: rabbit polyclonal PC-100 (Trevigen).
Crystal structure of a nucleosome core particle containing the variant histone H2A.Z
Chrivia John C. et al., In International Journal of Cell Biology, 1999
... Other commercial antibodies were histone H2A.Z polyclonal (Abcam, ab4174), histone H3 polyclonal ...
A peptidomimetic inhibitor of farnesyl:protein transferase blocks the anchorage-dependent and -independent growth of human tumor cell lines
Nie Daotai et al., In Cancer Cell International, 1994
... from Clontech; Lamin A/C (sc-20681) and emerin antibodies were purchased from Santa Cruz biotechnology; anti-phosphorylated histone-H2AX polyclonal antibody was from Trevigen.
Methods for clonal growth and serial cultivation of normal human epidermal keratinocytes and mesothelial cells.
Karl Mike O., In PLoS ONE, 1988
... (Abcam), anti Keratin 1,10,11 (Ks 8.60; Abcam), anti Keratin 10 (RKSE60; Abcam), anti-keratin 1 (AF87; Covance), anti-γH2AX (Ser139; Millipore), anti-BrdU (B44; BD Biosciences), anti-phospho-histone H3 (P-H3; Upstate ...
Changes in the cell kinetics of pig epidermis after single doses of X rays.
Borgmann Kerstin, In PLoS ONE, 1987
... Mouse anti-γ-H2AX, JBW3011/500Milipore ...
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