The MethylFlash Methylated DNA Quantification Kit (Colorimetric) is a complete set of optimized buffers and reagents to colorimetrically quantify global DNA methylation by specifically measuring levels of 5-methylcytosine (5-mC) in an ELISA-like microplate-based format. Compared to LUMA or LINE-1, Alu, and LTR-based assays, MethylFlash technology directly quantifies actual global DNA methylation.

This kit is also specifically optimized for paired use with the MethylFlash Hydroxymethylated DNA Quantification Kit (Colorimetric) for simultaneously quantifying both methylated DNA and hydroxymethylated DNA.

Product Features

The MethylFlash Methylated DNA Quantification Kit (Colorimetric) is a further refinement of our previous Methylamp global DNA methylation quantification kits by simplifying the workflow and improving the consistency of results. It uses an innovative method to enable background signals to be extremely low, eliminating the plate drying and blocking steps. Compared to chromatography-based methods such as HPLC or mass spectrometry, this product provides a cost-effective way to accurately measure levels of 5-methylcytosine. The kit has the following advantages and features:

  • Colorimetric assay with easy-to-follow steps for convenience and speed. The entire procedure can be finished within 4 hours.
  • Innovative kit composition enables background signals to be extremely low, which eliminates the need for plate blocking and allows the assay to be simple, accurate, reliable, and consistent.
  • High sensitivity, of which the detection limit can be as low as 0.2 ng of methylated DNA and accepts as low as 50 ng of input genomic DNA.
  • Optimized antibody and enhancer solutions allow high specificity to 5mC, with no cross-reactivity to unmethylated cytosine and no or negligible cross-reactivity to hydroxymethylcytosine within the indicated concentration range of the sample DNA.
  • Universal positive and negative controls are included, which are suitable for quantifying methylated DNA from any species.
  • Strip-well microplate format makes the assay flexible: manual or high throughput analysis.

 

MethylFlash Methylated DNA Epigentek

MethylFlash Methylated DNA Epigentek

Specifications for this item

Principle & Procedure

The MethylFlash Methylated DNA Quantification Kit (Colorimetric) contains all reagents necessary for the quantification of global DNA methylation. In this assay, DNA is bound to strip wells that are specifically treated to have a high DNA affinity. The methylated fraction of DNA is detected using capture and detection antibodies and then quantified through an ELISA-like reaction by reading the absorbance in a microplate spectrophotometer at 450 nm. The amount of methylated DNA is proportional to the OD intensity measured, which can be calculated with the kit’s included formulas for relative methylation status of two different DNA samples or absolute quantification of 5-methylcytosine (5mC) using a standard curve.

 

Easy, Fast, and Flexible

The entire colorimetric assay has easy-to-follow steps for convenience and speed, which can be completed in 4 hours. The strip-well microplate format allows for a flexible assay in manual or high throughput analysis. Universal positive and negative controls are included with the kit for quantifying methylated DNA from any species such as mammals, plants, fungi, bacteria, and viruses.

Safe and Convenient

All the needed reagents, including negative controls and positive controls, for quantification of global DNA methylation are conveniently packaged in the kit. The direct colorimetric quantification of DNA samples replaces obsolete or inferior methods and eliminates the need for DNA digestion/denaturation, radioactivity, extraction, or chromatography.

Highly Sensitive and Specific

The novel procedure and proprietary kit compositions allow for accurate quantification of methylated DNA to be achieved with high sensitivity and specificity. The detection limit of the input DNA can be as low as 0.2 ng of methylated DNA.

Comparison of Available ELISA-based Global DNA Methylation Assay Methods

 

MethylFlash(Colorimetric) Competitor Z Competitor C
Assay Principle Direct ELISA Direct ELISA Indirect ELISA
Format 96-well plate 96-well plate 96-well plate
Sensitivity Excellent detection limit: 0.2 ng of 5-mC DNA Good detection limit: >0.5 ng of 5-mC DNA Very poor detection limit: >1000 ng of 5-mC DNA
S/N Ratio >20 with very low background  <4 with high background  N/A*
Procedural Convenience No need for plate blocking and denaturation of DNA Requires plate blocking and DNA denaturation Requires plate blocking, DNA digestion, and antibody competitive incubation in an additional plate
Protocol Time  <4 hr  <4 hr  >8 hr
DNA Type & Species Universal for any species, both ssDNA and dsDNA Human and mouse ssDNA only Various species
Specificity Specific to 5-mC only Cross-reaction to 5-hmC N/A*
Quantitation Type Both relative and absolute quantification Relative Relative
Standard Control Stable, quantitative in absolute amount of 5-mC, and can be universally used for any species Unstable, cannot be quantitative in amount, and can only be used for human or mouse N/A*
Minimum Input Amount 50 ng 100 ng 1000 ng
Accuracy of Detection High, stable and quantified standard control. Proven close correlation with LC-MS analysis by users Unclear, unstable and un-quantified standard control N/A*
% 5-mC calculation Simple Complicated Not Provided
Patented Method Yes No No
Popularity Very high published citation count Low published citation count Low published citation count
Support Expertise Since 2006 Since 2013 Since 2011

 

 

 

MethylFlash Methylated DNA 5-mC Quantification Kit (Colorimetric)

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is unconjugated.

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is conjugated to ATTO 390.

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is conjugated to ATTO 488.

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is conjugated to ATTO 565.

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is conjugated to ATTO 594.

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  • Post-translational modifications of proteins play critical roles in the regulation and function of many known biological processes. Proteins can be post-translationally modified in many different ways, and a common post-transcriptional modification o
  • Show more
Description: A polyclonal antibody for Methylated Lysine from Species Independent. The antibody is produced in rabbit after immunization with Methylated KLH Conjugated. The Antibody is tested and validated for WB, ICC/IF, IP, ELISA assays with the following recommended dilutions: WB (1:20000), ICC/IF (1:200). This Methylated Lysine antibody is conjugated to ATTO 633.