Taurine-driven restoration of metabolic and redox balance in postovulatory aging porcine oocytes: A metabolomic perspective
文献类型： 外文期刊
作者： Zhang, Zihao 1 ; Wang, Feixue 1 ; Zeng, Wenjun 1 ; Cui, Zhaokang 2 ; Gao, Qian 3 ; Liu, Bingqian 1 ; Huang, Najun 4 ; Sun, Xiaofan 1 ; Li, Na 1 ; Xiong, Bo 1 ; Miao, Yilong 1 ;
作者机构： 1.Nanjing Agr Univ, Coll Anim Sci & Technol, Nanjing 210095, Peoples R China
2.Jiangsu Acad Agr Sci, Inst Anim Sci, Nanjing 210014, Peoples R China
3.Nanjing Agr Univ, Coll Vet Med, Nanjing 210095, Peoples R China
4.Anhui Agr Univ, Coll Anim Sci & Technol, Hefei 230036, Peoples R China
关键词： Porcine oocyte; POA; Taurine; Metabolomics; Oxidative stress
期刊名称：FREE RADICAL BIOLOGY AND MEDICINE （ 影响因子：8.2； 五年影响因子：8.6 ）
ISSN： 0891-5849
年卷期： 2025 年 235 卷
页码：
收录情况： SCI
摘要： Oocyte quality is closely linked to metabolic integrity, and age-related metabolic dysregulation is a key factor contributing to oocyte aging. In this study, we utilized non-targeted metabolomics to explore the impact of taurine supplementation on the metabolic profile of postovulatory aging (POA) porcine oocytes. Our analysis revealed that taurine supplementation significantly altered the metabolic landscape, restoring key metabolic pathways associated with energy production, amino acid metabolism, and oxidative stress regulation. Notably, taurine supplementation enhanced mitochondrial function, increased ATP synthesis, and improved the redox balance by upregulating reduced glutathione (GSH) levels and reducing oxidative damage. Metabolomics data also indicated a restoration of critical metabolic intermediates, including those involved in the glutathione synthesis pathway and amino acid metabolism. These findings suggest that taurine can modulate oocyte metabolism, improve cellular energy status, and mitigate oxidative stress, thereby enhancing oocyte quality at the metabolic level.
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