与代谢相关的脂肪肝疾病中的白色脂肪组织
Xiaoqin Zhu1, Chuanfei Zeng1, Baoping Yu1
1Department of Gastroenterology, Renmin Hospital of Wuhan University, No. 99 Zhang Zhidong Road, Wuhan, Hubei, 430000, PR China.
Clinics and research in hepatology and gastroenterology
|April 11, 2024
概括
白色脂肪组织 (WAT) 通过调解胰岛素耐药性和炎症,显著促进代谢相关脂肪肝疾病 (MAFLD) 的进展. 了解这些WAT机制对于开发有效的MAFLD治疗至关重要.
科学领域:
- 内分泌学和新陈代谢学
- 肝病学 肝病学是一种肝病学.
- 脂肪组织生物学 脂肪组织生物学
背景情况:
- 代谢相关脂肪肝病 (MAFLD) 是一种广泛的慢性肝病,没有经批准的治疗方法,增加了肝硬化和癌症的风险.
- 新兴研究强调了白色脂肪组织 (WAT) 与MAFLD发展和进展之间的显著联系.
研究的目的:
- 审查和阐明白脂肪组织 (WAT) 影响MAFLD病变和进展的复杂机制.
- 探索WAT在调解关键病理过程中的作用,包括胰岛素抵抗,炎症,自和MAFLD中的外体分泌.
主要方法:
- 在MAFLD的背景下,对研究WAT和肝脏之间的分子和细胞相互作用的研究进行了全面的文献综述.
- 分析信号通路,炎症媒介和参与WAT功能障碍和MAFLD进展的基因表达.
主要成果:
- 通过胰岛素抵抗,炎症,自和外体分泌,WAT有助于MAFLD. 纤维化和有限的WAT扩张释放出自由脂肪酸,恶化MAFLD.
- 由WAT衍生的TNF-α和IL-1β促进JNK/JKK/p38MAPK信号传递,损害胰岛素受体酸化,并加剧胰岛素耐药性.
- 在WAT中,和特定基因表达 (MBPAT7,Nrf2,Ube4A) 可以改善胰岛素耐药性,而Atg7则会加剧纤维化. 像运动这样的非药物干预措施是有前途的.
结论:
- 白色脂肪组织通过代谢和炎症途径在MAFLD的发病过程中发挥着多方面的作用.
- 针对WAT特定机制,包括炎症和胰岛素抵抗,为MAFLD提供了潜在的治疗策略.
- 针对WAT功能的非药理干预措施对管理MAFLD有益.
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