Journal
EUROPEAN JOURNAL OF IMMUNOLOGY
Volume 33, Issue 10, Pages 2736-2743Publisher
WILEY
DOI: 10.1002/eji.200324087
Keywords
CTL; viral; cell surface molecules; cellular activation
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Funding
- NIAID NIH HHS [R01 AI46455-01S1] Funding Source: Medline
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CD11b, CD11c, and F4/80 are normally used to define dendritic cell and/or macrophage populations. In this study, the expression of all three markers was observed on CD8(+) T cells following infection of mice with several distinct viruses. Using lymphocytic choriomeningitis virus as a model virus, it was found that relatively more CD11b(+)CD8(+) and CD11c(+)CD8(+) T cells were present in the periphery than in primary lymphoid organs; in contrast, the F4/ 80(+)CD8(+) T cell population was more prevalent in the spleen. All three myeloid markers were detected on virus-specific CTL. The expression of CD11b and CD11c on CD8(+) T cells correlated with their level of CTL activity, whereas the F4/80(+)CD8(+) T cell population increased after the peak of the CTL response but did not have higher CTL activity. These data suggest that there is a differential induction of CD11b, CD11c, and F4/80 on virus-specific CD8(+) T cells following an acute virus infection.
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