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Immunosupportive therapies in aging.

Tamas Fülöp¹, Anis Larbi, Katsuiku Hirokawa

¹Research Center on Aging, Immunology Program, Geriatric Division, Faculty of Medicine, University of Sherbrooke, Sherbrooke, Quebec, Canada. tamas.fulop@usherbrooke.ca

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Aging weakens the immune system, increasing infection risk in the elderly. Understanding immunosenescence and exploring safe therapies are crucial for maintaining health in older adults.

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Area of Science:

Immunology
Gerontology

Background:

Immune system decline with age (immunosenescence) increases elderly susceptibility to infections.
Changes in T cells, thymic involution, and altered activation pathways are key features.
Innate immunity and antigen presentation also show age-related alterations.

Purpose of the Study:

To review current knowledge on human immunosenescence and its health consequences.
To discuss potential interventions to counteract age-related immune decline.

Main Methods:

Review of scientific literature on immunosenescence.
Analysis of age-associated changes in cellular and innate immunity.
Discussion of ethical considerations for therapeutic interventions.

Main Results:

Immunosenescence involves significant changes in T cell populations and function.
Both cellular and innate immune responses are affected by aging.
Consequences include increased risk of infections, cancer, and inflammatory diseases.

Conclusions:

Age-related immune decline poses significant health risks to the elderly.
Developing safe and ethical interventions for immunosenescence is a critical challenge.
Further research is needed to modulate immune function in aging populations without adverse effects.