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Updated: Jan 23, 2026

Gene Expression Analyses in Human Follicles
Published on: February 17, 2023
MSI2表达在单相对于双主导毛囊及其在蒙古绵羊生育能力中的作用
Hao Qinqin1, Li Penghui1, Zhou Xin1
1College of Veterinary Medicine, Inner Mongolia Agricultural University, Hohhot, Inner Mongolia 010018, China; Key Laboratory of Animal Embryology and Developmental Engineering in Higher Education Institutions of the Autonomous Region, Hohhot 010018, China; Key Laboratory of Veterinary Fundamentals and Disease Prevention and Control for Herbivorous Livestock in Inner Mongolia Autonomous Region, Hohhot 010018, China.
在蒙古绵羊中,单独主导的卵泡表达率高于双重主导的卵泡. 双卵泡中MSI2的减少可能会促进多对性,为羊养殖提供了洞察力.
科学领域:
- 生殖生物学 生殖生物学
- 分子内分泌学分子内分泌学
- 动物遗传学动物遗传学
背景情况:
- 慕沙希2 (MSI2) 是哺乳动物繁殖中关键的RNA结合蛋白.
- 尚不清楚MSI2在蒙古绵羊繁殖中的具体作用.
研究的目的:
- 调查蒙古羊单双主导毛囊与双主导毛囊中MSI2的差异表达.
- 探索MSI2在调节该品种繁殖能力方面的潜在作用.
主要方法:
- 卵巢毛囊的差异基因表达分析 (DEGs).
- 蛋白质与蛋白质相互作用 (PPI) 分析.
- 对MSI2和相关基因 (CYP17A1,ERβ,StAR,3β-HSD) 的定量mRNA和蛋白质表达分析.
主要成果:
- 与双主导毛囊相比,单主导毛囊中的MSI2mRNA和蛋白质水平显著更高.
- MSI2和CYP17A1显示出正相关性,而3β-HSD,StAR和ERβ与MSI2显示出负相关性.
- 确定了3400个DEGs,在类固醇生成,TGF-β和雌激素信号通路中进行丰富.
结论:
- 在双主导卵泡中降低MSI2和CYP17A1的表达可能会促进STAR,3β-HSD和ERβ的表达,促进双卵泡的形成.
- 蒙古羊的MSI2是蒙古羊多对性特征的潜在调节因素.
- 为进一步研究绵羊繁殖特征提供了理论基础.
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