Protocatechuic Acid Delays Postovulatory Oocyte Ageing in Mouse

文献类型： 外文期刊

第一作者： Li, Li-Jun

作者： Li, Li-Jun;Chao, Shuo;Zhao, Shu-Xian;Lu, Jun;Zhang, Xiao-Yuan;Zhao, Ming-Hui;Huang, Gui-An;Yin, Shen;Ge, Zhao-Jia;Zhao, Yong;Sun, Qing-Yuan;Sun, Qing-Yuan;Zhao, Lei

作者机构：

关键词： oocytes; postovulatory ageing; protocatechuic acid

期刊名称：MOLECULAR NUTRITION & FOOD RESEARCH （ 影响因子：5.2； 五年影响因子：6.2 ）

ISSN： 1613-4125

年卷期： 2023 年 67 卷 4 期

页码：

收录情况： SCI

摘要： ScopeTea is a popular beverage worldwide and has many health functions. Protocatechuic acid (PCA) is an important bioactive component of tea and has benefit to health. In some cases, oocytes after ovulation may miss the optimal fertilization time and enter a postovulatory ageing process. Therefore, to investigate the role of PCA in delaying oocyte ageing is aimed. Methods and resultsMetaphase II (MII) oocytes aged in vitro are randomly divided into three groups: control, aged, and aged + PCA. PCA treatment (30 mu M) reduces the fragmentation rate and the incidence of abnormal spindle morphology and chromosome misalignment of oocytes aged 24 h in vitro. The mitochondrial dysfunction of aged oocytes, such as decreased mitochondrial membrane potential and excessive accumulation of reactive oxygen (ROS), is also alleviated by PCA. PCA also delays apoptosis of aged oocytes, and improves the sperm binding capacity. Otherwise, aged oocytes treated with PCA have a higher fertilization rate and blastocyst rate compared with untreated aged oocytes in vitro. ConclusionPCA is an important bioactive ingredient of tea that improves aged oocyte quality, suggesting that PCA is available to improve the quality of aged oocytes in vitro.

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