Cited by 4Nutrition and Health StudiesFood Science and Nutritional StudiesNutrition and Health in Aging

Nutraceuticals in immunosenescence

Magrone, Thea, Jirillo, Emilio·2015·Anti‐ageing nutrients

Abstract

The progressive decline of the immune system with advancing ageing is accompanied by an increased frequency of infectious, autoimmune and neoplastic diseases. Nutraceuticals contain a plethora of compounds able to recover the impaired immunity in ageing. In this framework, deficiency of micronutrients (zinc, copper, iron and selenium) causes a downregulation of the immune response, while their supplementation leads to a recovery of cellular functions. Probiotics, prebiotics and dietary fatty acids, when administered to older people, exhibit anti-inflammatory activities, also improving innate and adaptive immunity as well as reconstituting intestinal microbiota. Finally, polyphenols, in addition to promoting the release of nitric oxide, a potent vasodilator, are also able to exert anti-inflammatory activities, either activating T-regulatory cells or decreasing leukocyte respiratory burst. In in vivo studies polyphenols tend to polarize aged human T lymphocytes toward the Th1 subset. In conclusion, a balanced mix of nutraceuticals in the human diet may result in an advantageous effect in older humans.

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Crossref · 10.1002/9781118823408.ch5

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Authors
Magrone, T., & Jirillo, E.
Affiliations
University of Bari Aldo Moro (IT)
Venue
Anti‐ageing nutrients
Publisher
Wiley
Published
2015-02-24
Pages
183-202
OpenAlex
W1522202058
Cited by
4
References
152
Citations by year
2025: 1 · 2021: 1 · 2019: 1 · 2016: 1
Type
other
Language
en
Open access
closed
Locations
CINECA IRIS Institutional Research Information System (University of Bari Aldo Moro) (submittedVersion)
Topics
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Nutrition and Health Studies
  • Health Sciences › Nursing › Nutrition and Dietetics › Food Science and Nutritional Studies
  • Health Sciences › Medicine › Physiology › Nutrition and Health in Aging
Keywords
nutraceuticals, immunosenescence, aging, micronutrient deficiency, zinc, copper, iron, selenium, probiotics, prebiotics, dietary fatty acids, gut microbiota, polyphenols, anti-inflammatory activity, regulatory T cells, nitric oxide, Th1 polarization, older adults

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