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The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

Multiparameter flow cytometric analysis of CD4 and CD8 T cell subsets in young and old people

Open access
Koch, Sven, Larbi, Anis, Derhovanessian, Evelyna, Özcelik, Dennis, Naumova, Elissaveta, Pawelec, Graham·2008·Immunity & Ageing

Abstract

Background: T cell-mediated immunity in elderly people is compromised in ways reflected in the composition of the peripheral T cell pool. The advent of polychromatic flow cytometry has made analysis of cell subsets feasible in unprecedented detail. Results: Here we document shifts in subset distribution within naïve (N), central memory (CM) and effector memory (EM) cells defined by CD45RA and CCR7 expression in the elderly, additionally using the costimulatory receptors CD27 and CD28, as well as the coinhibitory receptors CD57 and KLRG-1, to further dissect these. Although differences between young and old were more marked in CD8 than in CD4 cells, a similar overall pattern prevailed in both. Thus, the use of all these markers together, and inclusion of assays of proliferation and cytokine secretion, may enable the construction of a differentiation scheme applicable to CD4 as well as CD8 cells, with the model (based on Romero et al.) suggesting the progression N→CM→EM1→EM2→pE1→pE2→EM4→EM3→E end-stage non-proliferative effector cells. Conclusion: Overall, the results suggest that both differences in subset distribution and differences between subsets are responsible for age-related changes in CD8 cells but that differences within rather than between subsets are more prominent for CD4 cells.

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Crossref · 10.1186/1742-4933-5-6

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Metadata

Authors
Koch, S., Larbi, A., Derhovanessian, E., Özcelik, D., Naumova, E., & Pawelec, G.
Venue
Immunity & Ageing
Published
2008-07-25
Volume
5
Issue
1
Pages
6-6
ISSN
1742-4933 (ISSN-L)
OpenAlex
W2140497145
Cited by
363
References
6
FWCI
5.21
Type
journal article
Language
en
Open access
gold

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