Journal
MICROORGANISMS
Volume 11, Issue 9, Pages -Publisher
MDPI
DOI: 10.3390/microorganisms11092286
Keywords
gut bacteria; mental disorder; gut-brain axis; interleukin-6
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Depression is a leading cause of disease worldwide, and the association between gut microbiota and depression has rarely been studied in the Japanese population. By analyzing health check-up data, it was found that certain genera of gut microbiota were significantly associated with depression and may influence the depressive symptoms of the host through the production of butyrate.
Depression is a leading cause of disease worldwide. The association between gut microbiota and depression has barely been investigated in the Japanese population. We analyzed Iwaki health check-up data collected from 2017 to 2019 and constructed generalized linear mixed models. The independent variable was the relative abundance of each of the 37 gut microbiota genera that were reported to be associated with depression. The dependent variable was the presence of depression assessed by the Center for Epidemiologic Studies Depression Scale. Potential confounders, including grip strength, gender, height, weight, smoking, and drinking habits, were adjusted in the regression models. Nine genera's regression coefficients (Alistipes, Blautia, Coprococcus, Dorea, Faecalibacterium, Holdemania, Lactobacillus, Mitsuokella, and Oscillibacter) showed statistical significance after multiple comparisons adjustment. Among these nine gut bacteria genera, Alistipes, Blautia, Coprococcus, Dorea, Faecalibacterium, and Oscillibacter were reported to be associated with butyrate production in the intestine. Our results indicate that gut microbiotas may influence the depression condition of the host via the butyrate-producing process.
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