Gut Microbial Metabolites and Future Risk of Parkinson's Disease: A Metabolome-Wide Association Study

Yujia Zhao, Yunjia Lai, Sirwan K.L. Darweesh, Bastiaan R. Bloem, Lars Forsgren, Johnni Hansen, Verena A. Katzke, Giovanna Masala, Sabina Sieri, Carlotta Sacerdote, Salvatore Panico, Raul Zamora-Ros, Maria Jose Sánchez, José María Huerta, Marcela Guevara, Ana Vinagre-Aragon, Paolo Vineis, Christina M. Lill, Gary W. Miller, Susan PetersRoel Vermeulen

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Background: Alterations in gut microbiota are observed in Parkinson's disease (PD). Previous studies on microbiota-derived metabolites in PD were small-scale and post-diagnosis, raising concerns about reverse causality. Objectives: Our goal was to prospectively investigate the association between plasma microbial metabolites and PD risk within a metabolomics framework. Methods: A nested case–control study within the prospective EPIC4PD cohort, measured pre-diagnostic plasma microbial metabolites using untargeted metabolomics. Results: Thirteen microbial metabolites were identified nominally associated with PD risk (P-value < 0.05), including amino acids, bile acid, indoles, and hydroxy acid, although none remained significant after multiple testing correction. Three pathways were implicated in PD risk: valine, leucine, and isoleucine degradation, butanoate metabolism, and propanoate metabolism. PD-associated microbial pathways were more pronounced in men, smokers, and overweight/obese individuals. Conclusion: Changes in microbial metabolites may represent a pre-diagnostic feature of PD. We observed biologically plausible associations between microbial pathways and PD, potentially influenced by individual characteristics.

Lingua originaleInglese
pagine (da-a)556-560
Numero di pagine5
RivistaMovement Disorders
Volume40
Numero di pubblicazione3
DOI
Stato di pubblicazionePubblicato - mar 2025
Pubblicato esternamente

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