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Metabolic dysregulation in vitamin E and carnitine shuttle energy mechanisms associate with human frailty
James Nazroo, Royston Goodacre, Neil Pendleton, Frederick Wu, Iain White, Bram Vanhoutte, Gindo Tampubolon, Alan Marshall, Krisztina Mekli, Zahra Rattray, Tarani Chandola, Caroline Johnson, Drupad Trivedi, Yun Xu, Nicholas Rattray, 2019, izvirni znanstveni članek

Opis: Global ageing poses a substantial economic burden on health and social care costs. Enabling a greater proportion of older people to stay healthy for longer is key to the future sustainability of health, social and economic policy. Frailty and associated decrease in resilience plays a central role in poor health in later life. In this study, we present a population level assessment of the metabolic phenotype associated with frailty. Analysis of serum from 1191 older individuals (aged between 56 and 84 years old) and subsequent longitudinal validation (on 786 subjects) was carried out using liquid and gas chromatography-mass spectrometry metabolomics and stratified across a frailty index designed to quantitatively summarize vulnerability. Through multivariate regression and network modelling and mROC modeling we identified 12 significant metabolites (including three tocotrienols and six carnitines) that differentiate frail and non-frail phenotypes. Our study provides evidence that the dysregulation of carnitine shuttle and vitamin E pathways play a role in the risk of frailty.
Najdeno v: osebi
Ključne besede: metabolomics, frailty, ageing, LC-MS, serum
Objavljeno: 08.11.2019; Ogledov: 124; Prenosov: 3
.pdf Polno besedilo (2,35 MB)

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