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EU funding (€184,708): Mechanisms linking stress and ageing in two avian species exhibiting contrasted natural resistance to stress (NAtural REsistance to Stress-Induced Cellular Ageing) Hor1 Apr 2020 EU Research and Innovation programme "Horizon"
Overview
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Mechanisms linking stress and ageing in two avian species exhibiting contrasted natural resistance to stress (NAtural REsistance to Stress-Induced Cellular Ageing)
Previous research has identified stress exposure as a key factor influencing health state and ageing rate. The overall aim of the proposed project is to investigate the precise mechanisms linking stress exposure to accelerated cellular ageing (using telomere length as a biomarker of ageing), and to identify potential mechanisms allowing some species to better prevent stress-induced ageing than others. To this aim I will use two avian species (Japanese quail and king penguin) to investigate (1) if chronic stress affects telomere shortening differently between species exhibiting contrasted stress resistance, (2) if glucocorticoid ‘stress’ hormones are directly responsible of the stress-induced alterations in telomere dynamics, (3) by which mechanisms (i.e. alterations of mitochondrial function, oxidative stress and DNA damage, impaired mTOR cellular signalling or telomere maintenance) stress exposure is accelerating telomere shortening, and if king penguin have specific mechanisms preventing/limiting stress-induced telomere shortening, and (4) if chronic stress / glucocorticoid hormones modify the acute oxidative stress responses of individuals. To this end, I will employ experimental approaches manipulating stress exposure and glucocorticoid hormones in captive Japanese quail and wild king penguins, and measure the resulting impact on telomere shortening and its potential cellular drivers (mitochondrial function, oxidative stress, mTOR cellular signalling). This project will enable a two-way transfer of skills and competences between the applicant and the host, by providing training to the applicant regarding mitochondrial biology, cellular signalling and gene expression, and by providing the host with the opportunity to integrate an ageing component through the use of telomeres in his current and future projects.
Funded Companies:
| Company name | Funding amount |
| Universite Lyon 1 Claude Bernard | €184,708 |
Source: https://cordis.europa.eu/project/id/894963
The filing refers to a past date, and does not necessarily reflect the current state. The current state is available on the following page: Universite Claude Bernard Lyon 1, Villeurbanne, France.
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