Clostridium immunis Sugar Drives IL‑22–Dependent Immunometabolic Protection Against Obesity
Clostridium immunis protects mice from obesity by secreting a phosphocholine‑modified exopolysaccharide that lowers IL‑22 in the intestine and visceral fat, boosting metabolic activity in adipose tissue. Mutant studies show phosphocholine is essential. Humans with obesity show reduced phosphocholine‑gene abundance, highlighting a translatable strategy to reduce visceral fat.
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