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慢性不可预测的轻度压力如何影响成熟卵细胞的数量? 一个实验性的研究研究

Alifia Candra Puriastuti^1,2, Margarita Maria Maramis³, Jimmy Yanuar Annas⁴

¹Midwifery Department, Faculty of Medicine, State University of Malang, Jalan Semarang No. 5, Malang, Indonesia.

International journal of reproductive biomedicine

|August 6, 2025

概括

在雌性大鼠中,慢性不可预测的轻度压力 (CUMS) 增加了皮质水平,但并没有显著改变毛囊的数量. 然而,组织学分析显示,压力较大老鼠的健康毛囊数量较少,这表明潜在的生殖影响.

科学领域:

生殖生物学和内分泌学.
压力生理学及其对卵巢功能的影响.

背景情况:

慢性不可预测的轻度压力 (CUMS) 可以诱导氧化压力并破坏细胞功能.
由于压力而导致的葡萄糖皮质激素的升高与卵巢毛囊的存活率降低有关.

研究的目的:

研究压力对葡萄糖皮质激素调节的影响及其对雌性大鼠中受损的毛囊的影响.
具体评估使用CUMS模型的毛囊数量.

主要方法:

16只雌性Wistar大鼠被分为对照组和CUMS组 (每组n=8).
经过22天的CUMS,大鼠被安乐死以收集血液以通过ELISA测量皮质类固醇水平.
进行了卵巢制剂和组织学分析,以评估腹膜毛囊.

主要成果:

暴露于CUMS导致皮质类固醇水平显著升高 (p=0.03).
两组之间的毛囊总数没有发现显著差异 (p=0.57).
组织学检查显示,与CUMS组相比,对照组的健康毛囊比例较高.

结论:

CUMS提升葡萄糖皮质类药物,可能会影响卵巢功能.
机制包括淋巴腺激素释放激素抑制和直接的卵巢影响,导致颗粒细胞亡和卵泡缩.
虽然毛囊总数可能不会发生变化,但压力诱导的荷尔蒙变化可能会降低 antral 毛囊的质量和健康.

关键词:

皮质类固醇胺的皮质.慢性压力是一种慢性压力.卵细胞.一个卵细胞.

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