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解开介质干细胞,肠道微生物群和全身性硬化症之间的相互作用:治疗意义

Lili Zhang¹, Hui Wang¹, Lu Zhao¹

¹Medical Research Center, Weifang People's Hospital, Shandong Second Medical University, Weifang, China.

Microbiology spectrum

|April 24, 2025

概括

介酶干细胞 (MSCs) 通过恢复肠道微生物群平衡,改善小鼠的全身性硬化症 (SSc). 治疗MSC增加了有益细菌,减少了有害微生物,突出了SSc.的新治疗方法.

科学领域:

免疫学免疫学免疫学
胃肠病学胃肠病学
微生物学微生物学

背景情况:

系统性硬化症 (SSc) 是一种纤维化自身免疫性疾病,其机制尚不清楚.
介质细胞干细胞 (MSCs) 显示了SSc的治疗潜力,但它们的调节途径需要阐明.
肠道微生物群失调症越来越多地被认为是自身免疫性疾病,如SSc.

研究的目的:

研究人类带衍生MSCs (hUC-MSCs) 对肠道微生物群组成和功能在白素诱导的SSc小鼠模型中的影响.
在SSc.中确定与MSC治疗相关的特定微生物和代谢变化.
探索肠道微生物群在MSCs治疗SSc.疗效中的作用.

主要方法:

在小鼠中使用白血素诱导SSc.
用hUC-MSCs对SSc小鼠的治疗.
使用2bRAD测序便样本分析肠道微生物群组成和预测功能.
评估SSc表型,包括原沉积和皮肤厚度.

主要成果:

MSC治疗显著改善了SSc表型,减少了原沉积和皮肤厚度.
与对照组相比,SSc小鼠表现出改变的肠道微生物群,物种均性降低.
MSC干预调节了肠道微生物群,减少了致病细菌 (例如,Akkermansia muciniphila) 和增加了有益的酸盐生产细菌 (例如,Roseburia).
治疗MSC增强了微生物的代谢途径,包括硫和甲酸代谢,以及酸盐循环.

结论:

肠道微生物群失调与SSc的代谢变化密切相关.
施用MSC可以恢复肠道微生物群的平衡,并使SSC小鼠中破坏的代谢途径正常化.
这项研究表明,MSCs通过肠道微生物群调节来调节SSc,从而提供了一个潜在的新疗法策略.

关键词:

2bRAD 序列中的一个.我们的肠道微生物群.介质细胞干细胞介质细胞干细胞代谢过程中的代谢.系统性硬化症系统性硬化症

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