Gene · 2024
Different expression patterns of DNA methyltransferases during horse testis development.
СтатьяНазвание и аннотация: Перевод пока не подготовлен
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Yi Minna, Asgenbaatar Nairag, Wang Xisheng, Ulaangerel Tseweendolmaa, Shen Yingchao, Wen Xin, Du Ming, Dong Xiaoling, Dugarjav Manglai, Bou Gerelchimeg
Аннотация
DNA methyltransferases (DNMTs) are important epigenetic modification during spermatogenesis. To further evaluate the pattern of DNMTs in horse testes during development, we investigated the expression and localization of DNMT1, DNMT3a and DNMT3b at different time points. The qRT-PCR results showed that DNMT1 expression was maintained in testes tissue from 6-month-old (0.5y) to 2-year-old (2y) of age and decreased after 3-year-old (3y) (P < 0.01). The expression levels of DNMT3a and DNMT3b peaked in testes tissue at 3y (P < 0.01). At 4-year-old (4y), the expression of DNMT3a and DNMT3b was decreased and became similar to that at 0.5y. Immunofluorescence of DNMT1, DNMT3a and DNMT3b on testis samples confirmed the differential expression and localization of these three DNA methylation transferases during horse development. Further molecular biological studies are needed to understand the implications of the expression patterns of these DNMTs in horse testes.