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Immunosenescence, Inflammaging, and Frailty: Role of Myeloid Cells in Age-Related Diseases. | LitMetric

Immunosenescence, Inflammaging, and Frailty: Role of Myeloid Cells in Age-Related Diseases.

Clin Rev Allergy Immunol

Department of Pharmaceutical Sciences, Università del Piemonte Orientale "Amedeo Avogadro", Largo Donegani, via Bovio 6, 2 - 28100, Novara, Italy.

Published: April 2023

AI Article Synopsis

Article Abstract

The immune system is the central regulator of tissue homeostasis, ensuring tissue regeneration and protection against both pathogens and the neoformation of cancer cells. Its proper functioning requires homeostatic properties, which are maintained by an adequate balance of myeloid and lymphoid responses. Aging progressively undermines this ability and compromises the correct activation of immune responses, as well as the resolution of the inflammatory response. A subclinical syndrome of "homeostatic frailty" appears as a distinctive trait of the elderly, which predisposes to immune debilitation and chronic low-grade inflammation (inflammaging), causing the uncontrolled development of chronic and degenerative diseases. The innate immune compartment, in particular, undergoes to a sequela of age-dependent functional alterations, encompassing steps of myeloid progenitor differentiation and altered responses to endogenous and exogenous threats. Here, we will review the age-dependent evolution of myeloid populations, as well as their impact on frailty and diseases of the elderly.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8760106PMC
http://dx.doi.org/10.1007/s12016-021-08909-7DOI Listing

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