|Detection of Human/Mouse/Rat Histone H2AX by Western Blot. Western blot shows lysates of HEK293 human embryonic kidney cell line, K562 human chronic myelogenous leukemia cell line, Balb/3T3 mouse embryonic fibroblast cell line, and Nb2‑11 rat lymphoma cell line. PVDF membrane was probed with 0.5 µg/mL of Mouse Anti-Human/Mouse/Rat Histone H2AX Monoclonal Antibody (Catalog # MAB3406) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for Histone H2AX at approximately 20 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.|
|Histone H2AX in HeLa Human Cell Line. Histone H2AX was detected in immersion fixed HeLa human cervical epithelial carcinoma cell line using Mouse Anti-Human/Mouse/Rat Histone H2AX Monoclonal Antibody (Catalog # MAB3406) at 8 µg/mL for 3 hours at room temperature. Cells were stained using the NorthernLights™ 557-conjugated Anti-Mouse IgG Secondary Antibody (red; Catalog # NL007) and counterstained with DAPI (blue). Specific staining was localized to nuclei. View our protocol for Fluorescent ICC Staining of Cells on Coverslips.|
Histone H2AX is a core histone protein that is phosphorylated at S139 in cells exposed to DNA double-strand break-inducing agents, such as ionizing radiation. The S139 phosphorylated H2AX, termed gamma -H2AX, marks the site of DNA double-strand breaks and serves to recruit cell cycle checkpoint and DNA repair factors to the site of damage.
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