Article ; Online: Role of CD4+ T Cells in the Control of Viral Infections: Recent Advances and Open Questions.
International journal of molecular sciences
2021 Volume 22, Issue 2
Abstract: CD4+ T cells orchestrate adaptive immune responses through their capacity to recruit and provide help to multiple immune effectors, in addition to exerting direct effector functions. CD4+ T cells are increasingly recognized as playing an essential role ... ...
Abstract | CD4+ T cells orchestrate adaptive immune responses through their capacity to recruit and provide help to multiple immune effectors, in addition to exerting direct effector functions. CD4+ T cells are increasingly recognized as playing an essential role in the control of chronic viral infections. In this review, we present recent advances in understanding the nature of CD4+ T cell help provided to antiviral effectors. Drawing from our studies of natural human immunodeficiency virus (HIV) control, we then focus on the role of high-affinity T cell receptor (TCR) clonotypes in mediating antiviral CD4+ T cell responses. Last, we discuss the role of TCR affinity in determining CD4+ T cell differentiation, reviewing the at times divergent studies associating TCR signal strength to the choice of a T helper 1 (Th1) or a T follicular helper (Tfh) cell fate. |
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MeSH term(s) | Adaptive Immunity/immunology ; CD8-Positive T-Lymphocytes/immunology ; Cell Differentiation/immunology ; HIV Infections/immunology ; HIV Infections/virology ; Humans ; Immunity, Humoral/immunology ; Receptors, Antigen, T-Cell/immunology ; T Follicular Helper Cells/cytology ; T Follicular Helper Cells/immunology ; T-Lymphocytes, Regulatory/immunology |
Chemical Substances | Receptors, Antigen, T-Cell |
Language | English |
Publishing date | 2021-01-07 |
Publishing country | Switzerland |
Document type | Journal Article ; Review |
ZDB-ID | 2019364-6 |
ISSN | 1422-0067 ; 1422-0067 ; 1661-6596 |
ISSN (online) | 1422-0067 |
ISSN | 1422-0067 ; 1661-6596 |
DOI | 10.3390/ijms22020523 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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