Diversity of the CD8+ T cell repertoire elicited against an immunodominant epitope does not depend on the context of infection

Brian D. Rudd, Vanessa Venturi, Megan J Smithey, Sing Sing Way, Miles P. Davenport, Janko Nikolich-Zugich

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The diversity of the pathogen-specific T cell repertoire is believed to be important in allowing recognition of different pathogen epitopes and their variants and thereby reducing the opportunities for mutation-driven pathogen escape. However, the extent to which the TCR repertoire can be manipulated by different vaccine strategies so as to obtain broad diversity and optimal protection is incompletely understood. We have investigated the influence of the infectious/inflammatory context on the TCR diversity of the CD8+ T cell response specific for the immunodominant epitope in C57BL/6 mice, derived from glycoprotein B of HSV-1. To that effect, we compared TCR V segment utilization, CDR3 length, and sequence diversity of the response to natural HSV-1 infection with those elicited by either Listeria monocytogenes or vaccinia virus expressing the immunodominant epitope in C57BL/6 mice. We demonstrate that although the type of infection in which the epitope was encountered can influence the magnitude of the CD8+ T cell responses, TCR β-chain repertoires did not significantly differ among the three infections. These results suggest that widely different live vaccine vectors may have little impact upon the diversity of the induced CTL response, which has important implications for the design of live CTL vaccine strategies against acute and chronic infections.

Original languageEnglish (US)
Pages (from-to)2958-2965
Number of pages8
JournalJournal of Immunology
Volume184
Issue number6
DOIs
StatePublished - Mar 15 2010

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Immunodominant Epitopes
T-Lymphocytes
Vaccines
Infection
Inbred C57BL Mouse
Epitopes
Vaccinia virus
Human Herpesvirus 1
Listeria monocytogenes
Mutation

ASJC Scopus subject areas

  • Immunology
  • Medicine(all)

Cite this

Diversity of the CD8+ T cell repertoire elicited against an immunodominant epitope does not depend on the context of infection. / Rudd, Brian D.; Venturi, Vanessa; Smithey, Megan J; Way, Sing Sing; Davenport, Miles P.; Nikolich-Zugich, Janko.

In: Journal of Immunology, Vol. 184, No. 6, 15.03.2010, p. 2958-2965.

Research output: Contribution to journalArticle

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