"Histone" Related Products

    Di-Methyl Histone H3-K4 Quantification Kit (Fluorometric)

    Cat.No. : Kit-0284
    Product Overview : Di-Methyl Histone H3-K4 Quantification Kit (Fluorometric) is use for measuring di-methylation of histone H3-K4.
    Description : Epigenetic activation or inactivation of genes plays a critical role in many important human diseases, especially in cancer. A major mechanism for epigenetic inactivation of the genes is methylation of CpG islands in genome DNA caused by DNA methyltransferases. Histone methyltransferases (HMTs) control or regulate DNA methylation through chromatin-dependent transcription repression or activation. HMTs transfer 1-3 methyl groups from S-adenosyl-L-methionine to the lysine and arginine residues of histone proteins. SET1, SET7/9, Ash1, ALL-1, MLL, ALR, Trx, and SMYD3 are histone methyltransferases that catalyze methylation of histone H3 at lysine 4 (H3-K4) in mammalian cells. H3-K4 di-methylation is associated with transcriptionally permissive euchromatin regions in the genome and may serve as a epigenetic mark in euchromatin and mediates activated transcription. Increased H3-K4 di-methylation is also found to be involved in some pathological processes such as cancer progression. The H3-K4 di-methylation can be also changed by inhibiton or activation of HMTs. Thus quantitative detection of di-methyl histone H3-K4 would provide usefulinformation for better understanding epigenetic regulation of gene activation and for developing HMT-targeted drugs. The Di-Methyl Histone H3-K4 Quantification Kit (Fluorometric) provides a tool for measuring di-methylation of histone H3-K4.
    Applications : For specifically measuring histone H3-K4 di-methylation using a variety of mammalian cells (human, mouse, etc.) including fresh and frozen tissues, cultured adherent and suspension cells.
    Usage : For research use only (RUO)
    Storage : Upon receipt, store F3, F4 and Standard control at –20°C; (2) Store all other components at 4°C away from light. The kit should be stable for 6 months from the shipment date, when stored properly.Note: Check if buffers F1 and F2 contain salt precipitates before using. If so, warm (at room temperature or 37°C) and shake the buffers until the salts are re-dissolved.
    Kit Components : F1 (10X wash buffer) 20 mlF2 (antibody buffer) 12 mlF3 (detection antibody, 1 mg/ml)* 10 µlF4 (fluoro developer)* 24 µlF5 (fluoro enhancer)* 24 µlF6 (fluoro dilutionl)* 8 mlStandard control (100 µg/ml)* 20 µl8 well sample strips (with frame) 98 well standard control strips 3* For maximum recovery of the products, centrifuge the original vial prior to opening the cap.
    Features & Benefits : Quick and efficient procedure, which can be finished within 2.5 hours.Innovative fluorometric assay without need for radioactivity, electrophoresis, and chromatography.Specifically capture di-methylated H3-K4 with the detection limit as low as 0.2 ng/well and detection range from 20 ng-5 µg/well of histone extracts.The control is conveniently included for quantification of the amount of di-methylated H3-K4.Strip microplate format makes the assay flexible: manual or high throughput.Simple, reliable, and consistent assay conditions.

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