Mitochondrial Alterations and Signaling in Aging, Frailty, and Sarcopenia: An Integrated View

Marta Gonzalez-Freire, Stephen D. Anton, Emanuele Marzetti, Christiaan Leeuwenburgh

Research output: Chapter in Book/Report/Conference proceedingChapter

Abstract

Aging, a highly complex and multifactorial process, can be framed as a physiological mismatch resulting from decreasing resilience and increasing levels of damage generation and accumulation. Intrinsic drivers of human aging have been discovered and attributed a role in the pathogenesis of frailty and sarcopenia. Mitochondrial function and signaling are in the spotlight as relevant mechanisms of aging. Declines in functional health are a frequent trait of old age and a major factor limiting independence in late life. Measures of physical performance are also metrics of aging as they can predict incident disability and other health-related negative events. The integration of measures of mitochondrial biology and other hallmarks of aging allows a comprehensive appraisal of the events underlying the development and progression of frailty and sarcopenia.
Original languageEnglish
Title of host publicationFrailty
EditorsOlga Theou Jorge G. Ruiz
Pages103-107
Number of pages5
DOIs
Publication statusPublished - 2024

Keywords

  • Apoptosis
  • Mitochondrial quality control
  • Mitophagy
  • Muscle wasting
  • Oxidative stress

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