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miR-375 Induced the Formation and Transgenerational Inheritance of Fatty Liver in Poultry by Targeting MAP3K1

文献类型： 外文期刊

作者： Xie, Heng-Li 1 ; Zhang, Yong-Hong 1 ; Tan, Xiao-Dong 2 ; Zheng, Yi 1 ; Ni, Hong-Yu 1 ; Dong, Li-Ping 1 ; Zheng, Jin-Lei 1 ; Diao, Ji-Zhe 1 ; Yin, Yi-Jing 1 ; Zhang, Jia-Bao 1 ; Sun, Xue-Qi 1 ; Yang, Yu-Wei 1 ;

作者机构： 1.Jilin Univ, Coll Anim Sci, Changchun, Peoples R China

2.Chinese Acad Agr Sci, Inst Anim Sci, Beijing, Peoples R China

3.Jilin Acad Agr Sci, Changchun, Peoples R China

4.Jilin Univ, Coll Anim Sci, Changchun 130062, Peoples R China

关键词： poultry; fatty liver; miR-375; lipid metabolism

期刊名称：DNA AND CELL BIOLOGY （ 影响因子：3.55； 五年影响因子：3.557 ）

ISSN： 1044-5498

年卷期： 2022 年 41 卷 6 期

页码：

收录情况： SCI

摘要： The liver of poultry is the primary site of lipid synthesis. The excessive production of lipids accumulates in liver tissues causing lipid metabolism disorders, which result in fatty liver disease and have a transgenerational effect of acquired phenotypes. However, its specific mechanisms have not yet been fully understood. In this study, the differentially expressed miR-375 as well as its target gene MAP3K1 (mitogen-activated protein kinase kinase kinase 1) were screened out by interaction network analysis of microRNA sequencing results and transcriptome profiling in the fatty liver group of the F0-F3 generation (p < 0.05 or p < 0.01). Furthermore, the results showed that the number of lipid droplets and triglyceride content were significantly decreased after upregulation of miR-375 in primary hepatocyte culture in vitro (p < 0.05 or p < 0.01). The MAP3K1 knockdown group exhibited the opposite trends (p < 0.05 or p < 0.01). P53, Bcl-x, PMP22, and CDKN2C related to cell proliferation were significantly upregulated or downregulated after knocking down MAP3K1 (p < 0.05). This research uniquely revealed that silencing miR-375 inhibits lipid biosynthesis and promotes cell proliferation, which may be due to the partial regulation of the expression level of MAP3K1, thereby further participating in the transgenerational inheritance process of regulating liver lipid metabolism. These results reveal the pathogenesis of fatty liver in noncoding RNA and provide good candidate genes for breeding progress of disease resistance in chickens.

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