Role of age-related mitochondrial dysfunction in sarcopenia

Emanuele Marzetti, Riccardo Calvani, Matteo Cesari, Evelyn Ferri, Beatrice Arosio

Risultato della ricerca: Contributo in rivistaArticolo in rivista

4 Citazioni (Scopus)

Abstract

Skeletal muscle aging is associated with a significant loss of skeletal muscle strength and power (i.e., dynapenia), muscle mass and quality of life, a phenomenon known as sarcopenia. This condition affects nearly one-third of the older population and is one of the main factors leading to negative health outcomes in geriatric patients. Notwithstanding the exact mechanisms responsible for sarcopenia are not fully understood, mitochondria have emerged as one of the central regulators of sarcopenia. In fact, there is a wide consensus on the assumption that the loss of mitochondrial integrity in myocytes is the main factor leading to muscle degeneration. Mitochondria are also key players in senescence. It has been largely proven that the modulation of mitochondrial functions can induce the death of senescent cells and that removal of senescent cells improves musculoskeletal health, quality, and function. In this review, the crosstalk among mitochondria, cellular senescence, and sarcopenia will be discussed with the aim to elucidate the role that the musculoskeletal cellular senescence may play in the onset of sarcopenia through the mediation of mitochondria.
Lingua originaleEnglish
pagine (da-a)1-12
Numero di pagine12
RivistaInternational Journal of Molecular Sciences
Volume21
DOI
Stato di pubblicazionePubblicato - 2020

Keywords

  • Mitochondria
  • Mitochondrial dysfunction
  • Muscle aging
  • Sarcopenia
  • Skeletal muscle

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