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Control of feeding by Piezo-mediated gut mechanosensation in . | LitMetric

AI Article Synopsis

Article Abstract

Across animal species, meals are terminated after ingestion of large food volumes, yet underlying mechanosensory receptors have so far remained elusive. Here, we identify an essential role for Piezo in volume-based control of meal size. We discover a rare population of fly neurons that express Piezo, innervate the anterior gut and crop (a food reservoir organ), and respond to tissue distension in a Piezo-dependent manner. Activating Piezo neurons decreases appetite, while knockout and Piezo neuron silencing cause gut bloating and increase both food consumption and body weight. These studies reveal that disrupting gut distension receptors changes feeding patterns and identify a key role for Piezo in internal organ mechanosensation.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7920550PMC
http://dx.doi.org/10.7554/eLife.63049DOI Listing

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