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- W3139532511 abstract "Abstract An organism’s ability to perceive and respond to changes in its environment is crucial for its health and survival. Here we reveal how the most well-studied longevity intervention, dietary restriction (DR), acts in-part through a cell non-autonomous signaling pathway that is inhibited by the perception of attractive smells. Using an intestinal reporter for a key gene induced by DR but suppressed by attractive smells, we identify three compounds that block food perception in C. elegans , thereby increasing longevity as DR mimetics. These compounds clearly implicate serotonin and dopamine in limiting lifespan in response to food perception. We further identify an enteric neuron in this pathway that signals through the serotonin receptor 5-HT1A/ser-4 and dopamine receptor DRD2/dop-3. Aspects of this pathway are conserved in D. melanogaster and mammalian cells. Thus, blocking food perception through antagonism of serotonin or dopamine receptors is a plausible approach to mimic the benefits of dietary restriction." @default.
- W3139532511 created "2021-03-29" @default.
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- W3139532511 date "2021-03-23" @default.
- W3139532511 modified "2023-09-27" @default.
- W3139532511 title "Serotonin and dopamine modulate aging in response to food perception and availability" @default.
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- W3139532511 doi "https://doi.org/10.1101/2021.03.23.436516" @default.
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