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EpiQuik Global Tri-Methyl Histone H3K27 Quantification Kit (Colorimetric)

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For ELISA-like measurement of total H3K27me3 amounts

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Suggested Workflow
Histone Protein Extraction
 
 
Histone H3 Methylation Quantification
 
Schematic procedure for using the EpiQuik Global Tri-Methyl Histone H3K27 Quantification Kit (Colorimetric).
Input Type: Histone Extracts
Research Area: Histone Methylation
Target Application: Amount Quantitation
Vessel Format: 96-Well Plate
100% Guarantee: 6 months
Catalog No.SizePriceQty
P-3042-4848 assays $263.00 
P-3042-9696 assays $497.00 
Availability: Usually Ships In 1-2 Days 
Product Overview

The EpiQuik™ Global Tri-Methyl Histone H3-K27 Quantification Kit (Colorimetric) is a convenient package of tools that allows the experimenter to specifically measure global tri-methylation of histone H3-K27 colorimetrically using a variety of mammalian cells (human, mouse, etc.) including fresh and frozen tissues, cultured adherent and suspension cells. The kit has the following advantages:

  • Quick and efficient procedure, which can be finished within 2.5 hours.
  • Innovative colorimetric assay without the need for radioactivity, electrophoresis, and chromatography.
  • Specifically captures tri-methylated H3-K27 with the detection limit as low as 2 ng/well and detection range from 20 ng-5 µg/well of histone extracts.
  • The control is conveniently included for the quantification of tri-methylated H3-K27.
  • Strip microplate format makes the assay flexible: manual or high throughput.
  • Simple, reliable, and consistent assay conditions.

Background Information
Epigenetic activation or inactivation of genes play 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-Lmethionine to the lysine and arginine residues of histone proteins. G9a and polycomb group enzymes such as EZH2 are histone methyltransferases that catalyze methylation of histone H3 at lysine 27 (H3-K27) in mammalian cells. Tri-methylation of H3-K27 is a facultative heterochromatin mark, which promotes the recruitment of polycomb group proteins for gene silencing. Increased global H3-K27 tri-methylation is found to be involved in some pathological processes such as cancer progression. The global H3-K27 tri-methylation can also be changed by inhibition or activation of HMTs. Thus, quantitative detection of global tri-methyl histone H3-K27 would provide useful information for better understanding epigenetic regulation of gene activation/repression, and for developing HMT-targeted drugs. The EpiQuik™ Global Tri-Methyl Histone H3-K27 Quantification Kit(Colorimetric) provides a tool for measuring global tri-methylation of histone H3- K27.

Principle & Procedure
This kit is designed for measuring global histone H3-K27 tri-methylation. In an assay with this kit, the tri-methylated histone H3 at lysine 27 is captured to the strip wells coated with an anti-trimethyl H3-K27 antibody. The captured tri-methylated histone H3-K27 can then be detected with a labeled detection antibody, followed by a color development reagent. The ratio of tri-methylated H3-K27 is proportional to the intensity of absorbance. The absolute amount of tri-methylated H3-K27 can be quantitated by comparing to the standard control.

Starting Materials
Input material should be purified histone extracts. In general, the input amount should be from 50 ng to 200 ng per well of histone extracts.

 

Product Components

 

C1 (10X Wash Buffer)
C2 (Antibody Buffer)
C3 (Detection Antibody, 1 mg/ml)*
C4 (Color Developer)
C5 (Stop Solution)
Standard Control (100 µg/ml)*
8-Well Sample Strips (with Frame)
8-Well Standard Control Strips
User Guide 

* For maximum recovery of the products, centrifuge the original vial prior to opening the cap.

 

User Guide & MSDS

[User Guide]*
*Always use the actual User Guide that shipped with your product. Is the above file locked? You can also request user guides by emailing info@epigentek.com along with your contact information and institution name.

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