M2巨细胞通过MSX2结合LEF1介导的内皮-介质细胞过渡促进异型骨化
Bao Yao1,2, Hai Nie3,4, Ji Zhou3,4
1Department of Orthopedics, Sichuan Academy of Medical Sciences Sichuan Provincial People's Hospital, Chengdu, 610000, Sichuan, China. jinniu2028@163.com.
Stem cell research & therapy
|February 7, 2026
概括
通过MSX2/LEF1/Wnt通路,M2巨通过促进内皮-介质酶过渡 (EndMT) 来驱动异型骨化 (HO). 抑制这一轴为HO提供了潜在的治疗策略.
科学领域:
- 再生医学是一种再生医学.
- 骨生物学 骨生物学
- 免疫学 免疫学 免疫学
背景情况:
- 不同类型的骨化 (HO) 涉及软组织的骨形成,通常与M2巨驱动的内皮-介质细胞转换 (EndMT) 相关.
- 了解M2巨参与EndMT的分子机制对于开发向疗法至关重要.
研究的目的:
- 阐明M2巨细胞在HO病变发生过程中调解EndMT的机制.
- 确定参与M2巨诱导EndMT和随后的骨质生成的关键分子通路.
主要方法:
- 对临床HO样本和小鼠模型进行分析,以评估巨细胞透和HO进展.
- 在体外共同培养系统研究M2巨诱导的EndMT和MSX2调制.
- 分子测定包括双露西法酶记者测定,西部涂抹和qPCR,以确认MSX2-LEF1相互作用和Wnt通路激活.
主要成果:
- 在HO组织中,M2巨细胞透率和EndMT升高,与增加的亲骨质性因素相关.
- 在内皮细胞中,M2巨诱导EndMT,上调介质细胞和骨质原生标记物,而MSX2枯竭逆转了这一效应.
- MSX2直接激活了LEF1转录,增强了Wnt信号传输和维持EndMT,而MSX2抑制减少了HO的体内形成.
结论:
- 在HO中,M2巨通过MSX2/LEF1/Wnt信号轴协调EndMT驱动的骨质生成.
- 准MSX2/LEF1/Wnt通路为管理异型骨化提供了一个有前途的治疗途径.
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