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A neurodegenerative disorder is a condition that causes a degeneration of neurons in the central nervous system, leading to cognitive impairment and movement disorders. An accumulation of oxidative stress in neurons contributes to the pathogenesis of neurodegenerative disorders. Over the past few years, several studies have suggested that short‐chain fatty acids, metabolites of the gut microbiota, might have a beneficial effect in neurodegenerative disorders. A G protein‐coupled receptor 43 (GPR43) plays an important role in modulating oxidative stress and inflammatory processes in several tissues. Interestingly, the downstream signaling pathways activated by GPR43 to modulate oxidative stress differ among tissues. Moreover, the cellular mechanisms underlying GPR43 activation in neuronal cells to handle oxidative stress remain unclear. In this present study, we tested the role of GPR43, which is activated …