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Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status

Reduced methionine (Met) intake can extend lifespan of rodents, but whether this regimen represents a general strategy for regulating aging has been controversial. Here we report that Met restriction extends lifespan in both fruit flies and yeast, and that this effect requires low amino acid status....

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Autores principales: Lee, Byung Cheon, Kaya, Alaattin, Ma, Siming, Kim, Gwansu, Gerashchenko, Maxim V., Yim, Sun Hee, Hu, Zhen, Harshman, Lawrence G., Gladyshev, Vadim N.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4350766/
https://www.ncbi.nlm.nih.gov/pubmed/24710037
http://dx.doi.org/10.1038/ncomms4592
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author Lee, Byung Cheon
Kaya, Alaattin
Ma, Siming
Kim, Gwansu
Gerashchenko, Maxim V.
Yim, Sun Hee
Hu, Zhen
Harshman, Lawrence G.
Gladyshev, Vadim N.
author_facet Lee, Byung Cheon
Kaya, Alaattin
Ma, Siming
Kim, Gwansu
Gerashchenko, Maxim V.
Yim, Sun Hee
Hu, Zhen
Harshman, Lawrence G.
Gladyshev, Vadim N.
author_sort Lee, Byung Cheon
collection PubMed
description Reduced methionine (Met) intake can extend lifespan of rodents, but whether this regimen represents a general strategy for regulating aging has been controversial. Here we report that Met restriction extends lifespan in both fruit flies and yeast, and that this effect requires low amino acid status. Met restriction in Drosophila mimicks the effect of dietary restriction and is associated with decreased reproduction. However, under conditions of high amino acid status, Met restriction is ineffective and the trade-off between longevity and reproduction is not observed. Overexpression of InRDN or Tsc2 inhibits lifespan extension by Met restriction, suggesting the role of TOR signaling in the Met control of longevity. Overall, this study defines the specific roles of Met and amino acid imbalance in aging and suggests that Met restiction is a general strategy for lifespan extension.
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spelling pubmed-43507662015-03-05 Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status Lee, Byung Cheon Kaya, Alaattin Ma, Siming Kim, Gwansu Gerashchenko, Maxim V. Yim, Sun Hee Hu, Zhen Harshman, Lawrence G. Gladyshev, Vadim N. Nat Commun Article Reduced methionine (Met) intake can extend lifespan of rodents, but whether this regimen represents a general strategy for regulating aging has been controversial. Here we report that Met restriction extends lifespan in both fruit flies and yeast, and that this effect requires low amino acid status. Met restriction in Drosophila mimicks the effect of dietary restriction and is associated with decreased reproduction. However, under conditions of high amino acid status, Met restriction is ineffective and the trade-off between longevity and reproduction is not observed. Overexpression of InRDN or Tsc2 inhibits lifespan extension by Met restriction, suggesting the role of TOR signaling in the Met control of longevity. Overall, this study defines the specific roles of Met and amino acid imbalance in aging and suggests that Met restiction is a general strategy for lifespan extension. 2014-04-07 /pmc/articles/PMC4350766/ /pubmed/24710037 http://dx.doi.org/10.1038/ncomms4592 Text en http://www.nature.com/authors/editorial_policies/license.html#terms Users may view, print, copy, and download text and data-mine the content in such documents, for the purposes of academic research, subject always to the full Conditions of use:http://www.nature.com/authors/editorial_policies/license.html#terms
spellingShingle Article
Lee, Byung Cheon
Kaya, Alaattin
Ma, Siming
Kim, Gwansu
Gerashchenko, Maxim V.
Yim, Sun Hee
Hu, Zhen
Harshman, Lawrence G.
Gladyshev, Vadim N.
Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title_full Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title_fullStr Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title_full_unstemmed Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title_short Methionine restriction extends lifespan of Drosophila melanogaster under conditions of low amino acid status
title_sort methionine restriction extends lifespan of drosophila melanogaster under conditions of low amino acid status
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4350766/
https://www.ncbi.nlm.nih.gov/pubmed/24710037
http://dx.doi.org/10.1038/ncomms4592
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