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Chris Barnes

As seen in: Cell Press
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Articles

Negative feedback control of hypothalamic feeding circuits by the taste of food

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By Tara J. Aitken, Zhengya Liu, Truong Ly, Sarah E. Shehata, Nilla Sivakumar, Lindsay Gray, Jingkun Zhang, Chris Barnes, Zachary A. Knight, Naz Dundar
| Cell Press Verified
Highlights • Hunger-promoting AgRP neurons are transiently inhibited by the taste of food • Optogenetic reversal of this gustatory inhibition extends meal duration • Upstream neurons in the DMH are tuned to respond to sweet or fatty tastes • DMH neurons integrate taste cues with slower, post-ingestive nutrient signals Summary The rewarding taste of food is critical for motivating animals to eat, but whether taste has a parallel function in promoting meal termination is not well understood.
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