Protective to a T: The Role of T Cells during Zika Virus Infection

CD4 and CD8 T cells are an important part of the host&#8217;s capacity to defend itself against viral infections. During <i>flavivirus</i> infections, T cells have been implicated in both protective and pathogenic responses. Given the recent emergence of Zika virus (ZIKV) as a promin...

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Main Authors: Ryan D. Pardy, Martin J. Richer
Format: Article
Language:English
Published: MDPI AG 2019-08-01
Series:Cells
Subjects:
Online Access:https://www.mdpi.com/2073-4409/8/8/820
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author Ryan D. Pardy
Martin J. Richer
author_facet Ryan D. Pardy
Martin J. Richer
author_sort Ryan D. Pardy
collection DOAJ
description CD4 and CD8 T cells are an important part of the host&#8217;s capacity to defend itself against viral infections. During <i>flavivirus</i> infections, T cells have been implicated in both protective and pathogenic responses. Given the recent emergence of Zika virus (ZIKV) as a prominent global health threat, the question remains as to how T cells contribute to anti-ZIKV immunity. Furthermore, high homology between ZIKV and other, co-circulating <i>flaviviruses</i> opens the possibility of positive or negative effects of cross-reactivity due to pre-existing immunity. In this review, we will discuss the CD4 and CD8 T cell responses to ZIKV, and the lessons we have learned from both mouse and human infections. In addition, we will consider the possibility of whether T cells, in the context of <i>flavivirus</i>-na&#239;ve and <i>flavivirus</i>-immune subjects, play a role in promoting ZIKV pathogenesis during infection.
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spelling doaj.art-5fc012978ea143d58b10d80d3ed7d0f22023-09-03T03:25:34ZengMDPI AGCells2073-44092019-08-018882010.3390/cells8080820cells8080820Protective to a T: The Role of T Cells during Zika Virus InfectionRyan D. Pardy0Martin J. Richer1Department of Microbiology &amp; Immunology, McGill University, Montreal, QC H3A 2B4, CanadaDepartment of Microbiology &amp; Immunology, McGill University, Montreal, QC H3A 2B4, CanadaCD4 and CD8 T cells are an important part of the host&#8217;s capacity to defend itself against viral infections. During <i>flavivirus</i> infections, T cells have been implicated in both protective and pathogenic responses. Given the recent emergence of Zika virus (ZIKV) as a prominent global health threat, the question remains as to how T cells contribute to anti-ZIKV immunity. Furthermore, high homology between ZIKV and other, co-circulating <i>flaviviruses</i> opens the possibility of positive or negative effects of cross-reactivity due to pre-existing immunity. In this review, we will discuss the CD4 and CD8 T cell responses to ZIKV, and the lessons we have learned from both mouse and human infections. In addition, we will consider the possibility of whether T cells, in the context of <i>flavivirus</i>-na&#239;ve and <i>flavivirus</i>-immune subjects, play a role in promoting ZIKV pathogenesis during infection.https://www.mdpi.com/2073-4409/8/8/820zika virusflavivirusesT cellshost-pathogen interactions
spellingShingle Ryan D. Pardy
Martin J. Richer
Protective to a T: The Role of T Cells during Zika Virus Infection
Cells
zika virus
flaviviruses
T cells
host-pathogen interactions
title Protective to a T: The Role of T Cells during Zika Virus Infection
title_full Protective to a T: The Role of T Cells during Zika Virus Infection
title_fullStr Protective to a T: The Role of T Cells during Zika Virus Infection
title_full_unstemmed Protective to a T: The Role of T Cells during Zika Virus Infection
title_short Protective to a T: The Role of T Cells during Zika Virus Infection
title_sort protective to a t the role of t cells during zika virus infection
topic zika virus
flaviviruses
T cells
host-pathogen interactions
url https://www.mdpi.com/2073-4409/8/8/820
work_keys_str_mv AT ryandpardy protectivetoattheroleoftcellsduringzikavirusinfection
AT martinjricher protectivetoattheroleoftcellsduringzikavirusinfection