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Gut microbiome-wide association study of depressive symptoms.

Depression is one of the most poorly understood diseases due to its elusive pathogenesis. There is an urgency to identify molecular...

Depression is one of the most poorly understood diseases due to its elusive pathogenesis. There is an urgency to identify molecular and biological mechanisms underlying depression and the gut microbiome is a novel area of ​​interest. Here researchers investigate the relationship of fecal  microbiome diversity and composition with depressive symptoms in 1,054 participants from the Rotterdam Study cohort and validate these findings in the Amsterdam HELIUS cohort in 1,539 subjects. They identify association of thirteen microbial taxa, including genera Eggerthella , subdoligranulum , Coprococcus , Sellimonas , Lachnoclostridium , Hungatella , Ruminococcaceae  (UCG002, UCG003 and UCG005), LachnospiraceaeUCG001, Eubacterium ventriosum and Ruminococcusgauvreauiigroup , and family Ruminococcaceae with depression symptoms. These bacteria are known to be involved in the synthesis of glutamate, butyrate, serotonin and gamma amino butyric acid (GABA), which are key neurotransmitters for depression. This study suggests that the gut microbiome composition may play a key role in depression ...

Link to full article: ​https://www.nature.com/articles/s41467-022-34502-3

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