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BABACAN YILDIZ, GÜLSEN

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GÜLSEN
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BABACAN YILDIZ
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Subject: 16S rRNA sequencing ×

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    PublicationOpen Access
    Altered gut microbiota in patients with idiopathic Parkinson’s disease: an age–sex matched case–control study
    (2023-01-01) Babacan Yildiz G.; Kayacan Z. C.; KARACAN İ.; SÜMBÜL B.; Elibol B.; Gelisin O.; Akgul O.; BABACAN YILDIZ, GÜLSEN; SÜMBÜL, BİLGE; GELİŞİN, ÖZLEM
    Objective: The investigations related to how gut microbiota changes the brain-gut axis in idiopathic Parkinson's disease (PD) attract growing interest. We aimed to determine whether gut microbiota is altered in PD patients and whether non-motor symptoms of PD and disease duration had any relation with alterations of microbiota profiles among patients. Methods: Microbial taxa in stool samples obtained from 84 subjects (42-PD patients and 42-healthy spouses) were analyzed using 16S rRNA amplicon-sequencing. Results: We observed a significant decrease of Firmicutes and a significant increase of Verrucomicrobiota at the phylum level. At the family level, Lactobacillaceae and Akkermansiaceae were significantly increased and Coriobacteriales Incertae Sedis were significantly decreased in the PD patients compared to their healthy spouses. Genus level comparison inferred significant increase in abundance only in Lactobacillus while the abundance of Lachnospiraceae ND3007 group, Tyzzerella, Fusicatenibacter, Eubacterium hallii group and Ruminococcus gauvreauii group were all decreased. We determined that the abundance of Prevotella genus decreased, but not significantly in PD patients. In addition, we found differences in microbiota composition between patients with and without non-motor symptoms. Conclusion: We observed differences in gut microbiota composition between PD patients and their healthy spouses. Our findings suggest that disease duration influenced microbiota composition, which in turn influenced development of non-motor symptoms in PD. This study is the first in terms of both gut microbiota research in Turkish PD patients and the probable effect of microbiota on non-motor symptoms of PD.