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人体表面及内部生活着数量巨大、种类多样的微生物,其中绝大部分是由细菌菌群组成的。肠道微生物和中枢神经系统之间存在相互作用,肠道微生物的异常可以通过“菌-肠-脑”轴参与到机体认知和社会行为等的复杂调控中,且已有多项研究发现肠道菌失调与抑郁症的发生密切相关[1],会通过多种不同的方式和途径加速或诱导抑郁症的发生。口服药物治疗是目前常用的方式,可在一定程度上减缓病人症状,但是目前部分抗抑郁药物仍具有一定的局限性[2]。现已有研究发现,益生菌可以通过多重机制来控制抑郁样行为[3],这为我们探索抗抑郁药物的研发提供了一个新的方向。本综述将从抑郁症、肠道菌代谢产物、作用分子水平出发探讨抑郁症的机制,在对现有益生菌生物制剂治疗抑郁症的研究发现的基础上,对肠道菌这一新靶点进行展望,为寻找抗抑郁药物研发的方向提供帮助。
Advances in antidepressant therapy related to gut microbiota
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摘要:
目的 介绍肠道菌群与抑郁症的病理机制以及相关治疗的研究进展,为后续以肠道菌为靶点的抗抑郁药物的研发提供帮助。 方法 查阅近年来肠道菌群与抑郁症方面的33篇中英文文献进行分类总结,从肠道菌群的门、科、属水平的角度探讨了抑郁状态下肠道菌群多样性的变化,从分子水平上阐述了肠道菌与抑郁症发病机制之间的关系,总结现有相关研究,进一步探索以肠道菌群为靶点进行药物研发治疗的可行性。 结果 肠道菌紊乱与抑郁症之间相互作用,现有益生菌等生物制剂可通过改善肠道菌群病理状态下的紊乱对抑郁症治疗起到缓解作用。 结论 肠道菌群失调与抑郁的发生密切相关,以肠道菌为靶点的相关药物研发治疗,可能成为治疗抑郁症的新途径。 Abstract:Objective This paper introduces the research progress on the pathogenesis of depression related to gut microbiota and provides the resources for the subsequent development of antidepressant drugs targeting gut microbiota. Methods 33 literatures on gut microbiota and depression in recent years were reviewed. The changes of gut microbiota diversity under depression were discussed from the perspectives of phylum, family and genus. The relationship between gut microbiota and the pathogenesis of depression was expounded at the molecular level, and the existing relevant studies were summarized. The feasibility of drug development targeting gut microbiota was explored. Results There is a relationship between gut microbiota disorder and depression. Existing biological agents such as probiotics can alleviate depression by adjusting the disorder of gut microbiota. Conclusion The imbalance of gut microbiota is closely related to the occurrence of depression, and the development of drugs targeting gut microbiota may become a new way to treat depression. -
Key words:
- depression /
- gut microbiota /
- microbiome-gut-brain axis
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