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• W2784196904 endingPage "e0190105" @default.
• W2784196904 startingPage "e0190105" @default.
• W2784196904 abstract "Autophagy is a highly conserved mechanism for cellular repair that becomes progressively down-regulated during normal ageing. Hence, manipulations that activate autophagy could increase lifespan. Previous reports show that manipulations to the autophagy pathway can result in longevity extension in yeast, flies, worms and mammals. Under standard nutrition, autophagy is inhibited by the nutrient sensing kinase Target of Rapamycin (TOR). Therefore, manipulations of TOR that increase autophagy may offer a mechanism for extending lifespan. Ideally, such manipulations should be specific and minimise off-target effects, and it is important to discover additional methods for ‘clean’ lifespan manipulation. Here we report an initial study into the effect of up-regulating autophagy on lifespan and fertility in Drosophila melanogaster by dietary addition of Torin1. Activation of autophagy using this selective TOR inhibitor was associated with significantly increased lifespan in both sexes. Torin1 induced a dose-dependent increase in lifespan in once-mated females. There was no evidence of a trade-off between longevity and fecundity or fertility. Torin1-fed females exhibited significantly elevated fecundity, but also elevated egg infertility, resulting in no net change in overall fertility. This supports the idea that lifespan can be extended without trade-offs in fertility and suggest that Torin1 may be a useful tool with which to pursue anti-ageing research." @default.
• W2784196904 created "2018-01-26" @default.
• W2784196904 creator A5004260616 @default.
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• W2784196904 date "2018-01-12" @default.
• W2784196904 modified "2023-10-15" @default.
• W2784196904 title "Lifespan extension without fertility reduction following dietary addition of the autophagy activator Torin1 in Drosophila melanogaster" @default.
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• W2784196904 doi "https://doi.org/10.1371/journal.pone.0190105" @default.
• W2784196904 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5766080" @default.
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• W2784196904 hasPublicationYear "2018" @default.
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