Cited by 246Immunotherapy and Immune ResponsesImmune Response and InflammationImmune responses and vaccinations

Impact of aging on dendritic cell functions in humans

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Agrawal, Anshu, Gupta, Sudhir·2011·Ageing Research Reviews

Abstract

Aging is a paradox of reduced immunity and chronic inflammation. Dendritic cells are central orchestrators of the immune response with a key role in the generation of immunity and maintenance of tolerance. The functions of DCs are compromised with age. There is no major effect on the numbers and phenotype of DC subsets in aged subjects; nevertheless, their capacity to phagocytose antigens and migrate is impaired with age. There is aberrant cytokine secretion by various DC subsets with CDCs secreting increased basal level of pro-inflammatory cytokines but the response on stimulation to foreign antigens is decreased. In contrast, the response to self-antigens is increased suggesting erosion of peripheral self tolerance. PDC subset also secretes reduced IFN-α in response to viruses. The capacity of DCs to prime T cell responses is also affected. Aging thus has a profound affect on DC functions. Present review summarizes the effect of advancing age on DC functions in humans in the context of both immunity and tolerance.

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Crossref · 10.1016/j.arr.2010.06.004

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  • Functions of dendritic cells such as antigen presentation, endocytosis, and IFN production are reduced in aged individuals.

    “Moreover, their functions such as antigen presentation, endocytosis, and IFN production, are also reduced in aged individuals [145, 146].”

    From Immunosenescence: a key player in cancer development (2020) · cites this paper as [145]

  • Despite comparable cell numbers, differentiation, and morphology in the young and aged, DCs from older persons exhibit impaired phagocytosis of antigen.

    “Despite comparable cell numbers, differentiation, and morphology in the young and aged, DCs from older persons exhibit impaired phagocytosis of antigen (113, 114).”

    From Aging and Lung Disease (2020) · cites this paper as [113]

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  1. [2]Agrawal S Agrawal A Doughty B Gerwitz A Van Dyke T Pulendran B Cutting edge, Different TLR Agonist Instruct Dendritic Cells to Induce Diverse T helper Responses, via Differential Activation of MAP Kinases J Immunol 2003 171 4984 4989 14607893

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Authors
Agrawal, A., & Gupta, S.
Affiliations
University of California, Irvine (US)
Corresponding author
  • Agrawal, Anshu
  • Gupta, Sudhir
Venue
Ageing Research Reviews
Publisher
Elsevier BV
Published
2011-07
Volume
10
Issue
3
Pages
336-345
ISSN
1568-1637 (ISSN-L)
OpenAlex
W2035279182
Cited by
246
References
119
Citations by year
2026: 22 · 2025: 31 · 2024: 17 · 2023: 22 · 2022: 23 · 2021: 13 · 2020: 16 · 2019: 14 · 2018: 11 · 2017: 12 · 2016: 6 · 2015: 12 · 2014: 14 · 2013: 15 · 2012: 10
FWCI
0.81
Type
journal article
Language
en
Open access
Locations
  • Ageing Research Reviews (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Ellison Medical Foundation
  • National Institutes of Health
  • National Institute on Aging (AG-027512, R21AG027512)
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Life Sciences › Immunology and Microbiology › Immunology › Immune Response and Inflammation
  • Life Sciences › Immunology and Microbiology › Immunology › Immune responses and vaccinations
Keywords
dendritic cells, aging, immunosenescence, chronic inflammation, dendritic cell migration, cytokine production, inflammatory cytokines, self-tolerance, plasmacytoid dendritic cells, interferon-alpha, T cell priming, dendritic cell subsets
MeSH terms
Aged, Aged, 80 and over, Aging, Animals, Cell Movement, Dendritic Cells, Humans, Signal Transduction, Cytokines, Models, Animal, Mice

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