[コンテンツへスキップ](https://www.sigmaaldrich.com#main-content) [](https://www.sigmaaldrich.com/JP/ja) 製品 カート0 JPJA 製品 製品アプリケーションサービスリソースサポート [ログイン / 登録](https://www.sigmaaldrich.com/oidc-sign-in) [注文検索](https://www.sigmaaldrich.com/JP/ja/order-lookup) [クイックオーダー](https://www.sigmaaldrich.com/JP/ja/quick-order) カート0 [ホーム](https://www.sigmaaldrich.com/JP/ja)[エピジェネティクス](https://www.sigmaaldrich.com/JP/ja/applications/genomics/epigenetics)Global DNA Methylation Quantification # Global DNA Methylation Quantification __Savita Bagga__ *BioFiles v7 n3, 2012, 6* The overall degree of methylation of a genome can be a useful measure of global regulatory changes. Measurement of this parameter is usually performed after complete digestion to the single base and then analyzed using HPLC or mass spectrophotometry. ## Global DNA Modification Kit The Global DNA Modification Kit (MDQ1), allows the researcher to monitor DNA methylation using a format similar to a sandwich ELISA assay. This is a format more friendly to biological researchers, and is the first of its kind on the market. __Features and Benefits__ - ELISA-Based Format – Procedure completes in four easy-to-follow steps – All reagents supplied, including methylated DNA control - Quickly Measures Changes in DNA Methylation – Detection limit is 5 ng of fully methylated DNA – Input DNA may be as low as 10–200 ng - Complete, Flexible, and Fast – Procedure complete in 3.5 hours – 96-well format allows option of studying single samples or high-throughput studies - Extended Range of DNA Sample Sources – May be used with DNA from cells, tissues, plasma, and other body fluids  Step-wise protocol for using MDQ1.  __Comparison of two differently methylated lots of DNA with__ MDQ1. Methylation status of two lots of Sss I treated DNA was measured by LC-MS. Varying amounts of DNA was also analyzed via the MDQ1 kit. As demonstrated by the graph, the difference in methylation states can easily be detected and the signal generated is proportional to the amount of DNA used in the procedure.  __Effect of Azacytadine on CHO Cell Global Methylation.__ Azacytadine, a known demethylating agent, was added directly to culture medium. Cells were harvested after 48 hours. DNA was isolated using GenEluteTM and global methylation was measured. 40 ng of DNA from treated and non-treated CHO cells was analyzed. ## Materials 申し訳ございませんが、想定外のエラーが発生しました。 Response not successful: Received status code 500 __Related Articles__ - [Carcinogenesis and Epigenetics](https://www.sigmaaldrich.com/JP/ja/technical-documents/technical-article/genomics/epigenetics/carcinogenesis-epigenetics) - [dna methylation bisulfite conversion](https://www.sigmaaldrich.com/JP/ja/technical-documents/technical-article/genomics/epigenetics/dna-methylation-bisulfite-conversion) - [Epigenetics Overview](https://www.sigmaaldrich.com/JP/ja/technical-documents/technical-article/genomics/epigenetics/epigenetics-overview) - [Introduction to DNA Methylation](https://www.sigmaaldrich.com/JP/ja/technical-documents/technical-article/genomics/epigenetics/introduction-to-dna-methylation) - [p53: DNA Damage Response and Cancer](https://www.sigmaaldrich.com/JP/ja/technical-documents/technical-article/genomics/epigenetics/p-fiftythree-dna-damage-response-and-cancer) - 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