Effect of Vitamin E on Bovine Granulosa Cells Apoptosis and Proliferation through Cx43 |
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Authors: | REN Shu-qiang WANG Jia-wei CHEN Hong-yan XU Ming-qiang JIANG Hao GAO Yan ZHOU Jian-zhong ZENG Fan-ming LI Cheng-sheng ZHANG Jia-bao CHEN Cheng-zhen |
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Affiliation: | 1. College of Animal Science, Jilin University, Changchun 130062, China;2. Nilka County Animal Husbandry and Veterinary Workstations, Nilka 835700, China |
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Abstract: | The aim of this study was to determine the effect of vitamin E on Cx43,the mechanism and function of vitamin E on bovine granulosa cells apoptosis and proliferation.In this study,granulosa cells were isolated from bovine ovary and cultivated in vitro by adding different concentration of vitamin E (0,25,50,100,200 and 500 μmol/L) for 24 h.After cultured,apoptotic cells were detected by FCM,mRNA expression levels of BCL2/BAX、P53 and Cx43 genes were determined by Real-time PCR and cell proliferation was detected by CCK8.The results showed that compared to control group,100 μmol/L vitamin E could significantly inhibit the apoptosis of granulosa cells (P<0.05).Real-time PCR detection results showed that vitamin E significantly changed the mRNA expression levels of BCL2/BAX,P53,Cx43 genes (P<0.05).Vitamin E could significantly improve granulosa cells proliferation when granulosa cells were treated for 24 and 36 h (P<0.05).The results provided a theoretical basis on further analysis for studing the influence mechanism of vitamin E on oocytes development and maturity,and improvement of female animal reproduction by influencing granulosa cells proliferation and apoptosis. |
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Keywords: | vitamin E granulosa cell Connexin 43 proliferation apoptosis |
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