Autophagy in healthy aging and disease
- PMID: 34901876
- PMCID: PMC8659158
- DOI: 10.1038/s43587-021-00098-4
Autophagy in healthy aging and disease
Abstract
Autophagy is a fundamental cellular process that eliminates molecules and subcellular elements, including nucleic acids, proteins, lipids and organelles, via lysosome-mediated degradation to promote homeostasis, differentiation, development and survival. While autophagy is intimately linked to health, the intricate relationship among autophagy, aging and disease remains unclear. This Review examines several emerging features of autophagy and postulates how they may be linked to aging as well as to the development and progression of disease. In addition, we discuss current preclinical evidence arguing for the use of autophagy modulators as suppressors of age-related pathologies such as neurodegenerative diseases. Finally, we highlight key questions and propose novel research avenues that will likely reveal new links between autophagy and the hallmarks of aging. Understanding the precise interplay between autophagy and the risk of age-related pathologies across organisms will eventually facilitate the development of clinical applications that promote long-term health.
Conflict of interest statement
Competing interests E.F.F. has a CRADA arrangement with ChromaDex and is a consultant to Aladdin Healthcare Technologies, the Vancouver Dementia Prevention Centre and Intellectual Labs. A.K.S. is a consultant to Oxford Healthspan. D.C.R. is a consultant for Aladdin Healthcare Technologies, Drishti Discoveries and Nido Biosciences. G.K. is a scientific co-founder of everImmune, Samsara Therapeutics and Therafast Bio. All other authors declare no competing interests.
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