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Correlation between ZBED6 Gene Upstream CpG Island methylation and mRNA expression in cattle

文献类型： 外文期刊

作者： Huang, Yong-Zhen 1 ; Zhang, Zi-Jing 2 ; He, Hua 1 ; Cao, Xiu-Kai 1 ; Song, Cheng-Chuang 1 ; Liu, Kun-Peng 1 ; Lan, Xia 1 ;

作者机构： 1.Northwest A&F Univ, Coll Anim Sci & Technol, 22 Xinong Rd, Yangling 712100, Shaanxi, Peoples R China

2.Henan Acad Agr Sci, Inst Anim Husb & Vet Sci, Zhengzhou, Henan, Peoples R China

3.Anim Hlth Supervis Henan Prov, Zhengzhou, Henan, Peoples R China

4.Bur Anim Husb Biyang Cty, Biyang, Henan, Peoples R China

关键词： BSP;cattle;DNA methylation;qPCR;ZBED6

期刊名称：ANIMAL BIOTECHNOLOGY （ 影响因子：2.282； 五年影响因子：1.702 ）

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收录情况： SCI

摘要： DNA methylation is essential for the regulation of gene expression and important roles in muscle development. To assess the extent of epigenetic modifications and gene expression on the differentially methylated region (DMR) in ZBED6, we simultaneously examined DNA methylation and expression in six tissues from two different developmental stages (fetal bovine and adult bovine). The DNA methylation pattern was compared using bisulfite sequencing polymerase chain reaction (BSP) and combined bisulfite restriction analysis (COBRA). The result of quantitative real-time PCR (qPCR) analysis showed that ZBED6 has a broad tissue distribution and is highly expressed in adult bovine (P<0.05 or P<0.01). The DNA methylation level was significantly different in liver, lung and spleen between the two cattle groups (P<0.05 or P<0.01). The adult bovine group exhibited a significantly higher mRNA level and lower DNA methylation level than the fetal bovine group in liver, lung, and spleen. No significant association was detected between DNA methylation level and muscle, heart, and kidney at two different stages. In this study, the statistical analyses indicated that DNA methylation patterns are associated with mRNA level in some tissues, these results may be a useful parameter to investigate muscle developmental in cattle and as a model for studies in other species, potentially contributing to an improvement of growth performance selection in beef cattle breeding program.

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