Effects of Oxidative Stress on the Autophagy and Apoptosis of Granulosa Cells in Broody Geese

被引:12
|
作者
Hou, Li'E [1 ]
Gu, Tiantian [1 ]
Weng, Kaiqi [1 ]
Zhang, Yu [1 ]
Zhang, Yang [1 ]
Chen, Guohong [1 ]
Xu, Qi [1 ]
机构
[1] Yangzhou Univ, Jiangsu Key Lab Anim Genet Breeding & Mol Design, Yangzhou 225009, Peoples R China
关键词
goose; broodiness; oxidative stress; apoptosis; autophagy; VITAMIN-E; CASPASE ACTIVITY; REACTIVE OXYGEN; BROODINESS; FOLLICLES; BEHAVIOR;
D O I
10.3390/ijms24032154
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Broodiness is an unfavorable trait associated with the cessation of egg laying. Studies have found that excessive granulosa cell apoptosis and autophagy occur during goose broodiness. Other studies have also confirmed that oxidative stress is an important cause of apoptosis and autophagy. However, whether oxidative stress occurs during goose broodiness and whether this oxidative stress causes apoptosis and autophagy have not been fully elucidated. In this study, we investigated the effects of oxidative stress on the autophagy and apoptosis of granulosa cells in broody geese. The results showed higher mRNA expression of genes related to antioxidative stress responses (GPX, SOD-1, SOD-2, COX-2, CAT and hsp70) in pre-broody and broody geese than in laying birds. In addition, increased levels of granulosa cell apoptosis and autophagy were observed in pre-broody geese than in laying geese. Additionally, granulosa cells treated with H2O2 exhibited increased apoptosis and autophagy in vitro, and these effects were responsible for goose granulosa cell death. Moreover, vitamin E treatment effectively protected granulosa cells from H2O2-induced oxidative stress by inhibiting ROS production. Correspondingly, granulosa cell apoptosis and autophagy were greatly alleviated by vitamin E treatment. Together, our results demonstrated serious oxidative stress and granulosa cell apoptosis and autophagy in broody geese, and oxidative stress promoted apoptosis and autophagy. Vitamin E alleviated the autophagy and apoptosis of granulosa cells by inhibiting oxidative stress.
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页数:19
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