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Journal Articles The Journal of Frailty & Aging Year : 2020

Towards a Large-Scale Assessment of the Relationship Between Biological and Chronological Aging

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Isabelle Ader
Audrey Carrière
Louis Casteilla
  • Function : Author
  • PersonId : 852377
Béatrice Cousin
Nicolas Fazilleau
Pierre Payoux
Luc Pénicaud
Valérie Planat-Benard
  • Function : Author
Audrey Varin
  • Function : Author
Nathalie Vergnolle
  • Function : Author
  • PersonId : 1203198

Abstract

Aging is the major risk factor for the development of chronic diseases. After decades of research focused on extending lifespan, current efforts seek primarily to promote healthy aging. Recent advances suggest that biological processes linked to aging are more reliable than chronological age to account for an individual's functional status, i.e. frail or robust. It is becoming increasingly apparent that biological aging may be detectable as a progressive loss of resilience much earlier than the appearance of clinical signs of frailty. In this context, the INSPIRE program was built to identify the mechanisms of accelerated aging and the early biological signs predicting frailty and pathological aging. To address this issue, we designed a cohort of outbred SWISS mice (1576 male and female mice) in which we will continuously monitor spontaneous and voluntary physical activity from 6 to 24 months of age under either normal or high fat/high sucrose diet. At different age points (6, 12, 18, 24 months), multiorgan functional phenotyping will be carried out to identify early signs of organ dysfunction and generate a large biological fluids/feces/organs biobank (100,000 samples). A comprehensive correlation between functional and biological phenotypes will be assessed to determine: 1) the early signs of biological aging and their relationship with chronological age; 2) the role of dietary and exercise interventions on accelerating or decelerating the rate of biological aging; and 3) novel targets for the promotion of healthy aging. All the functional and omics data, as well as the biobank generated in the framework of the INSPIRE cohort will be available to the aging scientific community. The present article describes the scientific background and the strategies employed for the design of the INSPIRE Mouse cohort.
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Origin : Publication funded by an institution

Dates and versions

inserm-03019973 , version 1 (23-11-2020)

Licence

Attribution - CC BY 4.0

Identifiers

Cite

Yohan Santin, Sébastien Lopez, Isabelle Ader, Sandrine Andrieu, Nicolas Blanchard, et al.. Towards a Large-Scale Assessment of the Relationship Between Biological and Chronological Aging: The Inspire Mouse Cohort. The Journal of Frailty & Aging, 2020, 10 (2), pp.121-131. ⟨10.14283/jfa.2020.43⟩. ⟨inserm-03019973⟩
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