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Effect of functional single nucleotide polymorphism g.-572 A > G of apolipoprotein A1 gene on resistance to ketosis in Chinese Holstein cows

文献类型： 外文期刊

作者： Yang, Ling 1 ; Bai, Jiachen 1 ; Ju, Zhihua 2 ; Jiang, Qiang 2 ; Wang, Jinpeng 2 ; Gao, Yaping 2 ; Zhang, Yaran 2 ; Wei, X 1 ;

作者机构： 1.Hebei Univ Engn, Sch Life Sci & Food Engn, Dept Anim Sci, Handan 056038, Peoples R China

2.Shandong Acad Agr Sci, Dairy Cattle Res Ctr, Jinan 250131, Peoples R China

关键词： Apolipoprotein A1; Cow; Ketosis; Single nucleotide polymorphism

期刊名称：RESEARCH IN VETERINARY SCIENCE （ 影响因子：1.892； 五年影响因子：1.816 ）

ISSN： 0034-5288

年卷期： 2021 年 135 卷

页码：

收录情况： SCI

摘要： The ketosis has negative effects on the high-yielding dairy cows during early lactation. Apolipoprotein A1 (APOA1) is a component of high-density lipoprotein. However, the association of APOA1 gene with ketosis, and the molecular mechanisms of expression of APOA1 gene are not fully understood in dairy cows. In this study, expression of APOA1 in the liver and blood was investigated by RT-qPCR and immunohistochemistry, and genetic variation in the 5'-flanking region of the AOPA1 gene was also screened and identified. In addition, cor-relation of the single nucleotide polymorphisms (SNPs) of APOA1 gene with blood ketone characters, and activity of APOA1 promoter were analyzed in dairy cows. The results showed that ApoA1 protein was expressed in the liver, and the mRNA level of APOA1 was significantly higher in the cows with ketosis comparing to the healthy cows. In addition, a novel SNP (g.-572 A > G) in the core promoter of the APOA1 gene was identified between base g.-714 and g.-68 through transient transfection in both HepG2 cell and FFb cell, and luciferase report assay. Moreover, there was lower concentration of blood beta-hydroxybutyrate in cows with genotype GG comparing to the cows with genotypes AA and AG. This study reported for the first time that the genetic variant g.-572 A > G in the core promoter region of APOA1 gene was associated with the ketosis in Chinese Holstein cows, and g.-572 A > G may be used as a genetic marker for ketosis prevention.

  • 相关文献

[1]Effect of functional single nucleotide polymorphism g.-572 A > G of apolipoprotein A1 gene on resistance to ketosis in Chinese Holstein cows. Yang, Ling,Bai, Jiachen,Ju, Zhihua,Jiang, Qiang,Wang, Jinpeng,Gao, Yaping,Zhang, Yaran,Wei, Xiaochao,Huang, Jinming. 2021

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