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Keenan A. Walker, … , David M. Wilson III, Luigi Ferrucci
Published July 15, 2022
Citation Information: J Clin Invest. 2022;132(14):e158448. https://doi.org/10.1172/JCI158448.
Citation Information: J Clin Invest. 2022;132(14):e158448. https://doi.org/10.1172/JCI158448.
Abstract
Aging is characterized by the accumulation of damage to macromolecules and cell architecture that triggers a proinflammatory state in blood and solid tissues, termed inflammaging. Inflammaging has been implicated in the pathogenesis of many age-associated chronic diseases as well as loss of physical and cognitive function. The search for mechanisms that underlie inflammaging focused initially on the hallmarks of aging, but it is rapidly expanding in multiple directions. Here, we discuss the threads connecting cellular senescence and mitochondrial dysfunction to impaired mitophagy and DNA damage, which may act as a hub for inflammaging. We explore the emerging multi-omics efforts that aspire to define the complexity of inflammaging — and identify molecular signatures and novel targets for interventions aimed at counteracting excessive inflammation and its deleterious consequences while preserving the physiological immune response. Finally, we review the emerging evidence that inflammation is involved in brain aging and neurodegenerative diseases. Our goal is to broaden the research agenda for inflammaging with an eye on new therapeutic opportunities.
Authors
Keenan A. Walker, Nathan Basisty, David M. Wilson III, Luigi Ferrucci
Citation information
Citations to this article (70)
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