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Updated: Feb 7, 2026

Immunohistochemical Detection of 5-Methylcytosine and 5-Hydroxymethylcytosine in Developing and Postmitotic Mouse Retina
Published on: August 29, 2018
Luminescence Sensing for Qualitative and Quantitative Detection of 5-Methylcytosine
Yushu Yuan1, Tingting Hong1, Yi Chen1
1Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences , Wuhan University , Wuhan , Hubei 430072 , People's Republic of China.
Abstract:
5-Methylcytosine (5mC) is revealed as a heritable epigenetic modification in genomic DNA. It has been reported that cytosine/guanine dinucleotides (CpG) hypermethylation in the promoter regions of tumor suppressor genes is related with inappropriate gene silencing, so the determination of 5mC in the CpG islands of mammals has attracted much attention. In this paper, a luminescence sensing strategy based on bisulfite treatment, asymmetric polymerase chain reaction (PCR), and adenosine triphosphate (ATP)-releasing nucleotide is proposed. With little background, this method can provide accurate quantitative information about methylation changes at CpG sites, even at a specific site. The proposed method can be successfully employed to determine the methylation status of three hepatocellular carcinomas (HCC) related genes in clinical tissues.
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