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CorrigendumImmunology Free access | 10.1172/JCI27804C1

Narrowed TCR repertoire and viral escape as a consequence of heterologous immunity

Markus Cornberg, Alex T. Chen, Lee A. Wilkinson, Michael A. Brehm, Sung-Kwon Kim, Claudia Calcagno, Dario Ghersi, Roberto Puzone, Franco Celada, Raymond M. Welsh, and Liisa K. Selin

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Published May 1, 2007 - More info

Published in Volume 117, Issue 5 on May 1, 2007
J Clin Invest. 2007;117(5):1450–1450. https://doi.org/10.1172/JCI27804C1.
© 2007 The American Society for Clinical Investigation
Published May 1, 2007 - Version history
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Narrowed TCR repertoire and viral escape as a consequence of heterologous immunity
Markus Cornberg, … , Raymond M. Welsh, Liisa K. Selin
Markus Cornberg, … , Raymond M. Welsh, Liisa K. Selin
Research Article Immunology

Narrowed TCR repertoire and viral escape as a consequence of heterologous immunity

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Abstract

Why some virus-specific CD8 TCR repertoires are diverse and others restricted or “oligoclonal” has been unknown. We show here that oligoclonality and extreme clonal dominance can be a consequence of T cell cross-reactivity. Lymphocytic choriomeningitis virus (LCMV) and Pichinde virus (PV) encode NP205–212 epitopes that induce different but highly cross-reactive diverse TCR repertoires. Homologous viral challenge of immune mice only slightly skewed the repertoire and enriched for predictable TCR motifs. However, heterologous viral challenge resulted in a narrow oligoclonal repertoire with dominant clones with unpredictable TCR sequences. This shift in clonal dominance varied with the private, i.e., unique, specificity of the host’s TCR repertoire and was simulated using affinity-based computer models. The skewing differences in TCR repertoire following homologous versus heterologous challenge were observed within the same private immune system in mice adoptively reconstituted with memory CD8 T cell pools from the same donor. Conditions driving oligoclonality resulted in an LCMV epitope escape variant in vivo resembling the natural Lassa virus sequence. Thus, T cell oligoclonality, including extremes in clonal dominance, may be a consequence of heterologous immunity and lead to viral escape. This has implications for the design of peptide-based vaccines, which might unintentionally prime for skewed TCR responses to cross-reactive epitopes.

Authors

Markus Cornberg, Alex T. Chen, Lee A. Wilkinson, Michael A. Brehm, Sung-Kwon Kim, Claudia Calcagno, Dario Ghersi, Roberto Puzone, Franco Celada, Raymond M. Welsh, Liisa K. Selin

×

Original citation: J. Clin. Invest.116:1443-1456 (2006). doi:10.1172/JCI27804.

Citation for this corrigendum: J. Clin. Invest.117:1450 (2007). doi:10.1172/JCI27804C1.

During the preparation of the manuscript, an error was introduced into the series of oligonucleotide primer sequences on page 1455. The sequence for the Vβ18 primer was inadvertently given for the constant region of the TCR β-chain (Cβ) as well. The correct Cβ sequence is 5'-GGCTCAAACAAGGAGACCTTGGGTGG-3'.

The authors regret this error.

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