EpiTect Control DNA and Control DNA Set

For control experiments during methylation analysis
  • Convenient, ready-to-use, quality-controlled DNA
  • Bisulfite-converted DNA for control experiments
  • Suitable for all methylation analyses
EpiTect Control DNAs are ready-to-use, completely methylated or completely unmethylated bisulfite converted DNAs, and untreated, unmethylated genomic DNA, for standardized and reliable control reactions for methylation analysis. The methylated, bisulfite converted DNA as well as unmethylated, bisulfite converted and unconverted DNA are stored in EB Buffer (10 mM Tris Cl) in a ready-to-use solution.

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Product Cat. no. List price:
EpiTect Control DNA, methylated (100)
Methylated and bisulfite converted human control DNA for 100 control PCRs
59655
$200.00
EpiTect Control DNA, unmethlyated (100)
Unmethylated and bisulfite converted human control DNA for 100 control PCRs
59665
$200.00
EpiTect PCR Control DNA Set (100)
Human control DNA set (containing both bisulfite converted methylated and unmethylated DNA and unconverted unmethylated DNA) for 100 control PCRs
59695
$395.00
EpiTect Control DNA (1000)
Unmethylated human control DNA for 1000 control PCRs
59568
$200.00

EpiTect Control DNA and Control DNA Set are intended for molecular biology applications. These products are not intended for the diagnosis, prevention, or treatment of a disease.


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Real-time PCR standards.|HRM quantification standards.|EpiTect Control DNA Pyrogram.|Use of EpiTect Control DNA in PCR for methylation analysis.|EpiTYPER MALDI-TOF analysis of WBA DNA.|Standardized workflows in epigenetics.|
EpiTect Methylated Control DNA and EpiTect Unmethylated Control DNA (both pre-bisulfite converted) were mixed to give 100%, 90%, 50%, 10%, and 0% methylated DNA. EpiTect MethyLight Assays for the human PITX2 gene were run in triplicate, using 10 ng of each DNA sample. The results show that EpiTect Control DNA can be used as a methylation standard for the quantification of unknown DNA samples.|A CpG island from the promoter region of the APC gene (adenomatosis polyposis coli) was amplified, and the degree of methylation was determined by HRM methylation analysis on the Rotor-Gene Q, using the EpiTect HRM PCR Kit. Methylated and unmethylated DNA from the EpiTect Control DNA Set was mixed in varying ratios, and used as the templates for the analysis.
|Sixteen CpGs of the MGMT promoter were checked for complete methylation (mean methylation rate >95%) or complete nonmethylation (mean methylation rate 0.3%). The PCR products for MGMT (6-O methylguanine-DNA methyltransferase), which is a p53-related gene involved in DNA repair and drug resistance, were subjected to Pyrosequencing, which was performed on a PyroMark Q96ID instrument. (Data kindly provided by Uwe Gerstenmaier, Varionostic GmbH, Ulm).|The methylation-specific primer (M-Primer) will only anneal to the control DNA that is fully methylated and bisulfite converted. The primer specific for unmethylated DNA (U-Primer) will only anneal to the control DNA that is fully unmethylated and bisulfite converted. Neither M-Primer nor U-Primer will anneal to fully unmethylated genomic DNA.|Methylation of the MP6 locus was measured in unmethylated DNA (UMDNA 1), methylated DNA (VIAL A 1), and a mixture of both (HTXA 1), before and after amplification (WBAUMDNA1, WBAHTXA 1, WBAVIAL A 1) using the EpiTect Whole Bisulfitome Kit. The methylation pattern prior to amplification is very similar to that of the amplified DNA, demonstrating representative amplification. (Data kindly provided by Hany Ezzeldin, Mayo Clinic, Rochester, USA).|  |
Performance
EpiTect Control DNAs are highly suited for use as quantification standards for probe-based real-time PCR methylation analysis (see figure "Real-time PCR standards") and high-resolution melting (HRM) methylation analysis (see figure "HRM quantification standards").
Principle
The EpiTect Control DNA Set contains all control DNAs needed for standardized and reliable methylation control reactions in a ready-to-use kit format . In methylation-specific PCR, for example, control reactions must be carried out to ensure that PCR probes and primers bind specifically to methylated or unmethylated DNA (see figure Use of EpiTect Control DNA in PCR for methylation analysis). These reactions require various concentrations of completely bisulfite converted control DNA that is fully methylated or fully unmethylated (see figures EpiTect Control DNA Pyrogram and "EpiTYPER MALDI-TOF analysis of WBA DNA"). Additionally, mixtures of these control DNAs can serve as quantification standards when determining degree of methylation in HRM and probe-based methylation experiments.
Procedure
Standardized workflows in epigenetics

Accessing epigenetic information is of prime importance for many areas of biological and medical research — particularly oncology, but also stem cell research and developmental biology. However, the analysis of changes in DNA methylation is challenging, due to the lack of standardized methods for providing reproducible data particularly from limited sample material. With its newly introduced EpiTect solutions, QIAGEN makes available standardized, pre-analytical and analytical solutions from DNA sample collection, stabilization and purification, to bisulfite conversion and real-time or end-point PCR methylation analysis or sequencing (see figure "Standardized workflows in epigenetics").

Applications

EpiTect Control DNAs are suitable for use in control reactions for all types of methylation analyses, including:

Evaluating primer specificity for MSP
Quantification standard for HRM and MethyLight PCR
Evaluating primer and probe specificity for MethyLight PCR
Checking efficiency of bisulfite conversion reactions
Feature
Specifications
Applications End point Methylation Specific PCR (MSP), real-time methylation specific PCR
Concentration 10 ng/µl (1 µg in total) excepted the unmethylated control DNA: 50 ng/µl (10 µg in total)
Number of reactions for 1000 control PCRs

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