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Giwan Lee¹, Yeonju Suh¹, Byeongseok Kim¹

¹Department of Stem Cell and Regenerative Biotechnology, Konkuk University, Seoul, 05029, Republic of Korea; Major in Stem Cell and Regenerative Biotechnology, School of Advanced Biotechnology, Konkuk University, Seoul, 05029, Republic of Korea.

Molecular and cellular endocrinology

|July 6, 2025

概括

雌激素通过调节MYC和核胺1 (NPM1) 表达来增强子宫细胞生长,这对于核糖体生物发生和子宫内膜增厚至关重要. 这一途径由雌激素受体 (ER) 介导.

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
基因规则基因规则

背景情况:

子宫经历周期性的转录变化,由雌激素和孕激素等激素驱动.
雌激素在调节基因表达中的作用已经得到了充分的证据,但它对核糖体生物生成等途径的下游影响需要进一步阐明.
了解这些分子机制是理解子宫内膜正常生理学和潜在失调的关键.

研究的目的:

研究雌激素在调节与子宫中的核糖体生物发生相关的基因表达中的作用.
确定涉及雌激素介导子宫内膜增殖的特定基因和途径.
在子宫内膜细胞中阐明雌激素,MYC和核胺1 (NPM1) 之间的功能关系.

主要方法:

对公开可用的RNA测序 (RNA-seq) 和ChIP测序 (ChIP-seq) 数据的分析.
在体外研究中,使用与雌激素和雌激素受体 (ER) 抗剂治疗的隔离子宫内膜上皮.
使用MYC小干扰RNA (siRNA) 进行基因沉默,以评估其对NPM1表达的影响.

主要成果:

雌激素对参与核糖体生物发生和子宫MYC通路的基因进行上调.
雌激素显著增加了在雌激素刺激的子宫内膜表皮中的核胺1 (NPM1) 的表达.
雌激素诱导的Npm1和Myc的上调取决于雌激素受体 (ER) 激活和MYC活性.

结论:

通过ER激活,雌激素增强MYC表达,这反过来又促进了NPM1在子宫中的表达.
这种涉及MYC和NPM1的以雌激素为媒介的途径对核糖体生物生成至关重要.
这些发现突出了雌激素-MYC-NPM1轴在调节月经周期期间子宫内膜增殖和加厚的重要性.

关键词:

雌激素是一种雌激素.我的世界 MYC 核胺 1 核胺 1 核胺核糖体生物生成 (Ribosome Biogenesis) 是一个过程.在子宫,子宫.

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