What are the specific molecular mechanisms by which gut microbial signals modulate reward circuits in eating disorders?

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Description

The abstract proposes that gut microbiota influences reward processing through vagal, neurotransmitter, and immune pathways, but the precise molecular mechanisms linking microbial signals to reward circuit dysfunction in eating disorders remain unexplained. Understanding these mechanisms is critical for developing targeted microbiota-based interventions.

Gap type: unexplained_observation Source paper: The microbiome and eating disorders: a new framework at the interface of interoception and reward. (2026, Neuroscience, PMID:41921818)

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