The Role of the Western Diet and Oral Microbiota in Parkinson’s Disease
2022
Barbara Zapała | Tomasz Stefura | Tomasz Milewicz | Julia Wątor | Monika Piwowar | Magdalena Wójcik-Pędziwiatr | Magdalena Doręgowska | Alicja Dudek | Zuzanna Jania | Monika Rudzińska-Bar
The type of diet not only affects the composition of the oral microflora but is also one of the more critical factors associated with an increased risk of Parkinson&rsquo:s disease, PD. This study compared diet preferences and oral microbiota profiles in patients with PD vs. healthy controls. This study compared the oral microbiota composition of 59 patients with PD and 108 healthy controls (without neurodegeneration) using 16S rRNA gene amplicon sequencing. According to results, oral microbiota in patients with PD is different compared from healthy controls. In particular, decreased abundance of Proteobacteria, Pastescibacteria, and Tenercutes was observed. The oral cavity of patients with PD was characterized by the high relative abundance of bacteria from the genera Prevotella, Streptococcus, and Lactobaccillus. There were also differences in food preferences between patients with PD and healthy controls, which revealed significantly higher intake of margarine, fish, red meat, cereals products, avocado, and olives in the patients with PD relative to healthy controls. Strong positive and negative correlations between specific food products and microbial taxa were identified.
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