肝细胞通过在培养中混合的上皮细胞/介质细胞状态分化为肠道上皮细胞
Shizuka Miura1, Kenichi Horisawa1, Tokuko Iwamori1
1Division of Organogenesis and Regeneration, Medical Institute of Bioregulation, Kyushu University, Fukuoka, 812-8582, Japan.
Nature communications
|May 15, 2024
概括
肝细胞在培养中脱离分化,但可以被重新编程. 这些不分化的肝细胞 (dediHeps) 可以再生肝脏组织,甚至形成肠道细胞,为治疗肝脏和肠道疾病提供潜力.
科学领域:
- 肝病学 肝病学是一种肝病学.
- 干细胞生物学 干细胞生物学
- 细胞可塑性 细胞可塑性
背景情况:
- 肝细胞失去功能,在培养物中脱离分化.
- 不分化肝细胞 (dediHeps) 的机制和潜力尚未完全理解.
研究的目的:
- 研究肝细胞脱差的动态和机制.
- 为了探索 dediHeps. 的差异化潜力.
主要方法:
- 利用肝脏前代细胞的培养系统.
- 抑制了河马的信号通路.
- 观察到的表型变化和 dediHeps. 的差异化能力.
主要成果:
- 肝细胞通过混合的上皮细胞/介质细胞表型去分化,这取决于维丁和希波路径的抑制.
- dediHeps可以在体外重新分化为成熟的肝细胞,并在体内重建肝脏组织.
- dediHeps表现出可塑性,分化为肠上皮细胞并形成有机体,在移植后重建结肠上皮.
结论:
- 肝细胞脱差涉及混合的上皮细胞/介质细胞表型和依赖维丁的传播.
- dediHeps具有显著的可塑性,能够再生肝脏和肠道组织.
- 这种可塑性为肝脏疾病 (如肠道代塑性) 提供了治疗潜力.
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