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在未服用过药物的帕金森病患者中的微生物多样性

Eliša Papić^1,2, Valentino Rački^1,2, Mario Hero^1,2

¹Department of Neurology, Faculty of Medicine, University of Rijeka, Rijeka, Croatia.

|August 18, 2025

概括

早期帕金森病 (PD) 患者表现出明显的肠道微生物组变化,即使在治疗前,特定细菌会增加,而其他细菌会减少. 这些发现表明PD的早期微生物失调.

科学领域:

微生物组研究的研究.
神经学神经学
人类肠道微生物组

背景情况:

帕金森病 (PD) 是一种神经退行性疾病,已知遗传和环境原因.
新出现的证据表明,肠道微生物组可能会影响PD发病,严重程度和治疗反应.
在开始治疗之前,很少有研究研究过药物原始的PD患者的微生物组.

研究的目的:

为了评估药物先验帕金森病患者的肠道微生物组合.
为了比较前不用药物治疗的PD患者的肠道微生物组与健康的匹配对照.
识别与帕金森病相关的潜在早期微生物生物标志物.

主要方法:

便样本的16S rRNA基因测序.
49名以前没有服用过药物的PD患者与34名健康对照者的比较 (GiOPARK项目).
微生物α多样性和差异相对丰度的分析.

主要成果:

在PD患者和对照人群之间,α多样性没有显著差异.
在以前未服用药物的PD患者中增加了Bacteroides fluxus,B. interstinalis,B. eggerthii和Dielma fastidiosa的丰富性.
降低了Alistipes,Barnesiella和Dialister spp. 的丰富性. 与对照人群相比,在以前没有服用过药物的PD患者中.

结论:

尽管保持了整体多样性,但特定的细菌变化表明在未经药物治疗的帕金森病中早期的微生物失调.
这些发现为未来研究PD进展和治疗过程中的微生物组变化提供了基础.
肠道微生物组分析可能为早期PD病原体提供见解.

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