FCCS025153 FlowCellect™ DNA Damage Histone H2A.X Dual Detection Kit

25 Tests / Kit  
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      Replacement Information
      Catalogue NumberFCCS025153
      Trade Name
      • FlowCellect
      DescriptionFlowCellect™ DNA Damage Histone H2A.X Dual Detection Kit
      OverviewMillipore’s FlowCellect™ Dual Detection kits are a series of flow cytometry products which include a pair of antibodies that bind to the same protein; one to detect total protein expression and another to detect the phosphorylated form of the same target. Using two parameter analysis, we can achieve target specific detection of phosphorylation and, by doing so, eliminate false positives while enhancing the signal to noise ratio.

      FlowCellect™ Histone H2A.X DNA Damage Dual Detection kit includes two directly conjugated antibodies, a phospho-specific Anti-phospho-Histone H2A.X (Ser139)-PerCP and an Anti-Histone H2A.X-FITC conjugated antibody to measure total levels of Histone H2A.X. This two color kit is designed to detect the extent of Histone H2A.X pathway activation by measuring H2A.X phosphorylation relative to the total H2A.X expression in any given cell population. By doing such, the levels of both the total and phosphorylated protein can be measured simultaneously in the same cell, resulting in a normalized and accurate measurement of H2A.X activation after stimulation. Moreover, simultaneous measurement of both total and phospho-Histone H2A.X confirms target specificity of the phosphorylation event. Together, a total and phospho antibody duo performed in multiplex provides an enhanced and more reliable detection of the phospho: total ratio within a mixed cell population. Using this antibody pair provides a sensitive and valuable tool to study the factors that induce DNA damage and/or affect DNA repair, and allow one to explore the linkage between DNA damage, cell cycle checkpoints, and initiation of apoptosis.
      Alternate Names
      • Flow Cellect
      Background InformationH2A.X is a member of the histone H2A family. Histone H2A.X resides downstream of the DNA damage kinase signaling cascade. Phosphorylation of Histone H2A.X at serine 139 is an important indicator of DNA damage. As the level of DNA damage increases, the level of phospho Histone H2A.X (also known as γH2AX) increases, accumulating at the sites of DNA damage. This accumulation of phospho Histone H2A.X is often used to indicate the level of DNA damage present within the cell. H2AX is also responsible for recruiting response proteins to the site of DNA damage and may play a role in DNA repair.

      In order to validate that the level of H2A.X activation is accurate, a total H2A.X antibody is multiplexed by flow cytometry to allow the total and phospho levels to be normalized since DNA content levels vary based on which stage cells are within the cell cycle. Histone doubles in content during the cell cycle at the same rate DNA content doubles. Having a total H2A.X will account for this increase, so the phosphorylated levels can be accurately determined.

      In all, a comprehensive understanding of Histone H2A.X activity and understanding the consequence of its activation can provide the researcher with useful information which will be important in understanding the intrinsic nature of the DNA damage response. Millipore’s FlowCellect™ Histone H2A.X DNA Damage Dual Detection Kit is designed to allow the researcher to monitor and accurately measure phospho-specific Histone H2A.X activation in a population of cells.
      Product Information
      • 1. 20X Anti-phospho-Histone H2A.X (Ser139)-PerCP: (Part No. CS206553) One vial containing 150 µL.
      • 2. 20X Anti-Histone H2A.X-FITC: (Part No. CS206429) One vial containing 150 µL.
      • 3. Fixation Buffer: (Part No. CS202122) One bottle containing 13 mL.
      • 4. 10X Wash Buffer: (Part No. CS202123) One bottle containing 13 mL.
      • 5. 5X Assay Buffer: (Part No. CS202124) One 55 mL bottle
      • 6. 1X Permeabilization Buffer: (Part No. CS203284) One bottle containing 14 mL.
      Detection methodFluorescent
      ApplicationThis FlowCellect Dual Detection Kit is designed to detect DNA damage. The kit includes a pair of antibodies that bind to the same protein; one to detect total H2A.X expression & another to detect the phosphorylated form of H2A.X.
      Key Applications
      • Flow Cytometry
      Biological Information
      Species Reactivity
      • Human
      Antibody TypeMonoclonal Antibody
      Physicochemical Information
      Materials Information
      Toxicological Information
      Safety Information according to GHS
      Safety Information
      Product Usage Statements
      Quality AssuranceLot to lot in-process testing on all kit components
      Usage Statement
      • Unless otherwise stated in our catalog or other company documentation accompanying the product(s), our products are intended for research use only and are not to be used for any other purpose, which includes but is not limited to, unauthorized commercial uses, in vitro diagnostic uses, ex vivo or in vivo therapeutic uses or any type of consumption or application to humans or animals.
      Storage and Shipping Information
      Storage Conditions4-8°C for antibodies and buffers
      Packaging Information
      Material Size25 Tests / Kit
      Transport Information
      Supplemental Information



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      User Guides

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      Newsletters / Publications

      Cellutions Newsletter: 2011, Vol. 1

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