Recasting Human Vδ1 Lymphocytes in an Adaptive Role

Martin Davey, Carrie Willcox, Alfie Baker, Stuart Hunter, Benjamin Willcox

Research output: Contribution to journalReview articlepeer-review

25 Citations (Scopus)
240 Downloads (Pure)

Abstract

γδ T cells are unconventional lymphocytes commonly described as 'innate-like' in function, which can respond in both a T cell receptor (TCR)-independent and also major histocompatibility complex (MHC)-unrestricted TCR-dependent manner. While the relative importance of TCR recognition had remained unclear, recent studies revealed that human Vδ1 T cells display unexpected parallels with adaptive αβ T cells. Vδ1 T cells undergo profound and highly focussed clonal expansion from an initially diverse and private TCR repertoire, most likely in response to specific immune challenges. Concomitantly, they differentiate from a Vδ1 T cell naïve (Tnaïve) to a Vδ1 T cell effector (Teffector) phenotype, marked by the downregulation of lymphoid homing receptors and upregulation of peripheral homing receptors and effector markers. This suggests that an adaptive paradigm applies to Vδ1 T cells, likely involving TCR-dependent but MHC-unrestricted responses to microbial and non-microbial challenges.
Original languageEnglish
Pages (from-to)446-459
JournalTrends in Immunology
Volume39
Issue number6
Early online date18 Apr 2018
DOIs
Publication statusPublished - Jun 2018

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