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Efficient Purification and LC-MS/MS-based Assay Development for Ten-Eleven Translocation-2 5-Methylcytosine Dioxygenase
Published on: October 15, 2018
Selective detection of 5-formyl-2'-deoxycytidine in DNA using a fluorogenic hydroxylamine reagent
Pu Guo1, Shengyong Yan, Jianlin Hu
1College of Chemistry and Molecular Sciences, Key Laboratory of Biomedical Polymers of Ministry of Education, Wuhan University, Hubei, Wuhan, 430072, P. R. of China.
Organic Letters
|June 18, 2013
Summary
New fluorogenic hydroxylamine reagents enable convenient and quantitative detection of 5-formylcytosine (5-fC) in DNA. This method offers high selectivity and feasibility for genomic analysis.
Area of Science:
- Biochemistry
- Molecular Biology
- Chemical Biology
Background:
- 5-formylcytosine (5-fC) is a crucial epigenetic modification.
- Accurate detection of 5-fC is essential for understanding DNA methylation dynamics.
Purpose of the Study:
- To develop a novel fluorogenic reagent for selective 5-fC detection.
- To establish a convenient and quantitative method for 5-fC quantification.
- To assess the feasibility of using this method for genomic 5-fC analysis.
Main Methods:
- Chemical synthesis of fluorogenic hydroxylamine probes.
- High-performance liquid chromatography (HPLC) for purification and analysis.
- Denaturing polyacrylamide gel electrophoresis (PAGE) for separation.
- Mass spectrometry (MS) for structural confirmation.
- Fluorescence detection for signal generation.
Main Results:
- The synthesized probe selectively reacted with 5-fC in oligodeoxynucleotides.
- The method provided convenient and quantitative detection of 5-fC.
- Demonstrated the feasibility of fluorescently detecting 5-fC within a genomic context.
Conclusions:
- Fluorogenic hydroxylamine reagents offer a sensitive and selective approach for 5-fC detection.
- This method facilitates convenient and quantitative analysis of 5-fC.
- The developed technique is applicable for genome-wide 5-fC studies.

