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PathScan® RP MG-H1 Glycated Histone H3 (Arg17) Sandwich ELISA Kit #32428

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    Product Specifications

    REACTIVITY H M
    Application Key:
    • ELISA+-ELISA and/or ELISA-like Assays 
    Species Cross-Reactivity Key:
    • H-Human 
    • M-Mouse 

    Product Information

    Product Description

    The rapid protocol (RP) PathScan® RP MG-H1 Glycated Histone H3 (Arg17) Sandwich ELISA Kit is a solid phase sandwich enzyme-linked immunosorbent assay (ELISA) that detects endogenous levels of MG-H1 glycated Arg17 of histone H3 in a reduced assay time of 1.5 hours. Incubation of cell lysates and detection antibody on the coated microwell plate forms a sandwich with MG-H1 glycated histone H3 (Arg17) in a single step. The plate is then extensively washed and TMB reagent is added for signal development. The magnitude of absorbance for the developed color is proportional to the quantity of MG-H1 glycated histone H3 (Arg17). Learn more about your ELISA kit options here.

    *Antibodies in this kit are custom formulations specific to kit.

    Protocol

    Specificity / Sensitivity

    Methylglyoxal-derived hydroimidazolone 1 (MG-H1) is the most predominant of three primary methylglyoxal-derived hydroimidazolone isomers (MG-H1, MG-H2, and MG-H3) that form as advanced glycation end-products when methylglyoxal (MGO) non-enzymatically reacts with arginine residues on proteins.

    The PathScan® RP MG-H1 Glycated Histone H3 (Arg17) Sandwich ELISA Kit detects endogenous MGO-derived glycation of the MG-H1 subtype at Arg17 of histone H3. This kit may also weakly detect MG-H2 glycated Arg17 of histone H3. In addition, this kit may weakly detect an additional MG-H1 glycated arginine residue on histone H3. The kit sensitivity is shown in Figure 1. This kit detects proteins from the indicated species, as determined through in-house testing, but may also detect homologous proteins from other species.


    Species Reactivity:

    Human, Mouse

    Background

    Modulation of chromatin structure plays an important role in the regulation of transcription in eukaryotes. The nucleosome, composed of DNA wound around eight core histone proteins (two each of H2A, H2B, H3, and H4), is the primary building block of chromatin (1). The amino-terminal tails of core histones undergo various posttranslational modifications, including acetylation, phosphorylation, methylation, and ubiquitination (2-5). These modifications occur in response to various stimuli and have a direct effect on the accessibility of chromatin to transcription factors and, therefore, gene expression (6). Glycation is an additional posttranslational modification that occurs non-enzymatically within cells, involving the condensation of monosaccharides or glycolytic by-products with lysine or arginine residues (7). Methylglyoxal (MGO), a highly reactive by-product of glycolysis, readily binds with arginine to form the product methylglyoxal-derived hydroimidazolone (MG-H) in three possible isomeric forms: MG-H1, MG-H2, and MG-H3 (8). The accumulation of MGO-glycated proteins is readily observed in aging cells, individuals with hyperglycemia or diabetes, and various types of cancer (9,10). Notably, MGO-glycated histone H3 has been shown to accumulate in breast cancer cells and patient tumors, potentially contributing to genomic instability by modifying chromatin structure (11).

    Alternate Names

    H3; H3 clustered histone 1; H3 histone family, member A; H3/A; H31; H3C1; H3C10; H3C11; H3C12; H3C2; H3C3; H3C4; H3C6; H3C7; H3C8; H3FA; H3FB; H3FC; H3FC HIST1H3C; H3FD; H3FF; H3FH; H3FI; H3FJ; H3FK; H3FL; HIST1H3A; HIST1H3B; HIST1H3C; HIST1H3D; HIST1H3E; HIST1H3F; HIST1H3G; HIST1H3H; HIST1H3I; HIST1H3J; histone 1, H3a; histone cluster 1 H3 family member a; histone cluster 1, H3a; Histone H3; Histone H3.1; Histone H3/a; Histone H3/b; Histone H3/c; Histone H3/d; Histone H3/f; Histone H3/h; Histone H3/i; Histone H3/j; Histone H3/k; Histone H3/l

    For Research Use Only. Not for Use in Diagnostic Procedures.
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