期刊
ANIMAL SCIENCE JOURNAL
卷 92, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/asj.13548
关键词
embryo; in vitro; porcine oocyte; SUMO‐ 1; UBA2
资金
- Natural Science Foundation of Jilin Province [20190301037NY]
- National Natural Science Foundation of China [31960659]
The study found that UBA2 can influence the maturation rate of pig oocytes, expression of apoptosis genes, cumulus cell viability, and embryonic development by regulating the content of SUMO-1 protein in mature pig oocytes in vitro.
The purpose of this study was to investigate the effect of the E1 activating enzyme UBA2 on the expression of the SUMO-1 protein during in vitro maturation (IVM) of pig oocytes and embryonic development. In the 5 mu g/ml UBA2 treatment group, the expression of the anti-apoptotic gene Bcl-2 and the embryo cleavage rate was significantly increased, while the proapoptotic gene Bax was significantly reduced. When 10 mu g/ml UBA2 was added, the in vitro maturation rate, blastocyst rate, and SUMO-1 protein content of oocytes increased significantly (p < .05), and the expression of proapoptotic gene Caspase3 was significantly decreased (p < .05), while the viability of cumulus cells was extremely significantly reduced (p < .01). In summary, UBA2 can regulate the content of the SUMO-1 protein in mature pig oocytes in vitro, which in turn affects the maturation rate of oocytes, expression of apoptosis genes, cumulus cell viability, and the development of embryos after fertilization.
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