EPISODE · Aug 18, 2026 · 17 MIN
1452-腺苷失衡与卵母细胞质量及胚胎发育代谢图谱研究
from 聊聊Sci
这项研究通过对人类和小鼠的代谢组学分析，确定了腺苷是影响卵子质量和胚胎发育的关键代谢物。研究发现，在低质量卵子及其附属的卵丘细胞中，由于转运蛋白（ENT1/ENT2）和间隙连接蛋白（CX37）的表达减少，导致腺苷无法正常交换而在胞内蓄积，造成卵泡液中腺苷缺乏。实验证明，补充外源性腺苷可以通过其受体信号通路降低卵子的氧化应激，并纠正减数分裂中的纺锤体和染色体错误。通过转录组学验证，腺苷主要通过调节 JNK、CycB1 和 Cdc27 等基因的表达来修复受损卵子的发育潜能。该成果为辅助生殖技术中早期胚胎质量预测和培养体系的优化提供了重要的理论依据与临床参考。References:Yang J, Wang H, Li Y, et al. Metabolomic profiling delineates the role of adenosine in oocyte quality and embryonic development[J]. Cell Death & Disease, 2026.前往小宇宙评论区与主播互动
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1452-腺苷失衡与卵母细胞质量及胚胎发育代谢图谱研究
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