Journal
NATURE COMMUNICATIONS
Volume 13, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-021-27803-6
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Funding
- Canadian Institutes of Health Research
- Diabetes Canada
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The technique of gastric conduit transposition simplifies the daily practice of esophagectomy. Gastric conduit transposition is a reproducible technique that simplifies esophagectomy in all settings.
Metabolic stress due to nutrient excess and lipid accumulation is at the root of many age-associated disorders and the identification of therapeutic targets that mimic the beneficial effects of calorie restriction has clinical importance. Here, using C. elegans as a model organism, we study the roles of a recently discovered enzyme at the heart of metabolism in mammalian cells, glycerol-3-phosphate phosphatase (G3PP) (gene name Pgp) that hydrolyzes glucose-derived glycerol-3-phosphate to glycerol. We identify three Pgp homologues in C. elegans (pgph) and demonstrate in vivo that their protein products have G3PP activity, essential for glycerol synthesis. We demonstrate that PGPH/G3PP regulates the adaptation to various stresses, in particular hyperosmolarity and glucotoxicity. Enhanced G3PP activity reduces fat accumulation, promotes healthy aging and acts as a calorie restriction mimetic at normal food intake without altering fertility. Thus, PGP/G3PP can be considered as a target for age-related metabolic disorders. Glycerol-3-phosphate phosphatase is a recently discovered enzyme at the heart of metabolism. Here, the authors used C. elegans and showed that its activation promotes stress resistance, healthy aging and acts as a calorie restriction mimetic at normal food intake without altering fertility.
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