CX43 and oxidative stress are the targets of BCB staining to predict the developmental potential of buffalo oocytes
文献类型： 外文期刊
第一作者： Li, MengQi
作者： Li, MengQi;Yang, ChunYan;Duan, AnQin;Xiao, Peng;Lu, XingRong;Ma, XiaoYa;Xu, YuanYuan;Zheng, Wei;Feng, Chao;Mo, Xia;Huang, ChenQian;Huang, LiQing;Shang, JiangHua;Zheng, HaiYing;Li, MengQi;Xiao, Peng;Yang, ChunYan;Duan, AnQin;Lu, XingRong;Ma, XiaoYa;Zheng, Wei;Feng, Chao;Mo, Xia;Huang, ChenQian;Shang, JiangHua;Zheng, HaiYing;Xiao, Peng
作者机构：
关键词： BCB staining; buffalo oocyte; developmental potential prediction; gap junction; oxidative stress
期刊名称：REPRODUCTION IN DOMESTIC ANIMALS （ 影响因子：1.6； 五年影响因子：1.7 ）
ISSN： 0936-6768
年卷期： 2024 年 59 卷 8 期
页码：
收录情况： SCI
摘要： This study used the brilliant cresyl blue (BCB) staining method to group buffalo oocytes (BCB+ and BCB-) and perform in vitro maturation, in vitro fertilization and embryo culture. At the same time, molecular biology techniques were used to detect gap junction protein expression and oxidative stress-related indicators to explore the molecular mechanism of BCB staining to predict oocyte developmental potential. The techniques of buffalo oocytes to analyse their developmental potential and used immunofluorescence staining to detect the expression level of CX43 protein, DCFH-DA probe staining to detect ROS levels and qPCR to detect the expression levels of the antioxidant-related genes SOD2 and GPX1. Our results showed that the in vitro maturation rate, embryo cleavage rate and blastocyst rate of buffalo oocytes in the BCB+ group were significantly higher than those in the BCB- group and the control group (p < .05). The expression level of CX43 protein in the BCB+ group was higher than that in the BCB- group both before and after maturation (p < .05). The intensity of ROS in the BCB+ group was significantly lower than that in the BCB- group (p < .05), and the expression levels of the antioxidant-related genes SOD2 and GPX1 in the BCB+ group were significantly higher than those in the BCB- group (p < .05). Brilliant cresyl blue staining could effectively predict the developmental potential of buffalo oocytes. The results of BCB staining were positively correlated with the expression of gap junction protein and antioxidant-related genes and negatively correlated with the reactive oxygen species level, suggesting that the mechanism of BCB staining in predicting the developmental potential of buffalo oocytes might be closely related to antioxidant activity.
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