The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation

Ageing is a complex trait controlled by genes and the environment. The highly conserved mechanistic target of rapamycin signalling pathway (mTOR) is a major regulator of lifespan in all eukaryotes and is thought to be mediating some of the effects of dietary restriction. mTOR is a rheostat of energy...

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Main Authors: Ivana Bjedov, Charalampos Rallis
Format: Article
Language:English
Published: MDPI AG 2020-09-01
Series:Genes
Subjects:
Online Access:https://www.mdpi.com/2073-4425/11/9/1043
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author Ivana Bjedov
Charalampos Rallis
author_facet Ivana Bjedov
Charalampos Rallis
author_sort Ivana Bjedov
collection DOAJ
description Ageing is a complex trait controlled by genes and the environment. The highly conserved mechanistic target of rapamycin signalling pathway (mTOR) is a major regulator of lifespan in all eukaryotes and is thought to be mediating some of the effects of dietary restriction. mTOR is a rheostat of energy sensing diverse inputs such as amino acids, oxygen, hormones, and stress and regulates lifespan by tuning cellular functions such as gene expression, ribosome biogenesis, proteostasis, and mitochondrial metabolism. Deregulation of the mTOR signalling pathway is implicated in multiple age-related diseases such as cancer, neurodegeneration, and auto-immunity. In this review, we briefly summarise some of the workings of mTOR in lifespan and ageing through the processes of transcription, translation, autophagy, and metabolism. A good understanding of the pathway’s outputs and connectivity is paramount towards our ability for genetic and pharmacological interventions for healthy ageing and amelioration of age-related disease.
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spelling doaj.art-b68e2e3c9c9049a4b50a11b372ae118e2023-11-20T12:31:21ZengMDPI AGGenes2073-44252020-09-01119104310.3390/genes11091043The Target of Rapamycin Signalling Pathway in Ageing and Lifespan RegulationIvana Bjedov0Charalampos Rallis1UCL Cancer Institute, Paul O’Gorman Building, 72 Huntley Street, London WC1E 6DD, UKSchool of Life Sciences, University of Essex, Wivenhoe Park, Colchester CO4 3SQ, UKAgeing is a complex trait controlled by genes and the environment. The highly conserved mechanistic target of rapamycin signalling pathway (mTOR) is a major regulator of lifespan in all eukaryotes and is thought to be mediating some of the effects of dietary restriction. mTOR is a rheostat of energy sensing diverse inputs such as amino acids, oxygen, hormones, and stress and regulates lifespan by tuning cellular functions such as gene expression, ribosome biogenesis, proteostasis, and mitochondrial metabolism. Deregulation of the mTOR signalling pathway is implicated in multiple age-related diseases such as cancer, neurodegeneration, and auto-immunity. In this review, we briefly summarise some of the workings of mTOR in lifespan and ageing through the processes of transcription, translation, autophagy, and metabolism. A good understanding of the pathway’s outputs and connectivity is paramount towards our ability for genetic and pharmacological interventions for healthy ageing and amelioration of age-related disease.https://www.mdpi.com/2073-4425/11/9/1043ageing<i>Drosophila</i>yeastnutrient-responseautophagytranslation
spellingShingle Ivana Bjedov
Charalampos Rallis
The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
Genes
ageing
<i>Drosophila</i>
yeast
nutrient-response
autophagy
translation
title The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
title_full The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
title_fullStr The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
title_full_unstemmed The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
title_short The Target of Rapamycin Signalling Pathway in Ageing and Lifespan Regulation
title_sort target of rapamycin signalling pathway in ageing and lifespan regulation
topic ageing
<i>Drosophila</i>
yeast
nutrient-response
autophagy
translation
url https://www.mdpi.com/2073-4425/11/9/1043
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