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. 2023 Aug;23(4):1045-1054.
doi: 10.1007/s10238-022-00855-8. Epub 2022 Aug 4.

The emerging role of T cells in pemphigus vulgaris: a systematic review

Farnaz Araghi  1 , Sahar Dadkhahfar  2 , Reza M Robati  1   3 , Mohammadreza Tabary  4 , Mohammad Shahidi-Dadras  5
Affiliations

The emerging role of T cells in pemphigus vulgaris: a systematic review

Farnaz Araghi et al. Clin Exp Med. 2023 Aug.

Abstract

Pemphigus vulgaris is a potential life-threatening autoimmune bullous disorder. The significant role of autoreactive B cells in the pathogenesis of PV has been explained extensively by producing autoantibodies. Recently, attention has been directed toward the role of T cells in the pathogenesis of PV; in other words, the underlying etiology of PV depends on the interaction between T cells and B cells resulting in antibody secretion. Herein, we systematically review the current literature on the emerging role of T cells in PV. To perform this systematic review, an extensive search through EMBASE, PubMed, Scopus, and ISI databases was performed from 1976 through 2021. Articles investigating the function of T cell subgroups in the pathogenesis or treatment of pemphigus vulgaris were included and reviewed. It is evidenced that T cells play a pivotal role in PV pathogenesis. Th1 and Th2 dichotomy including Th1 suppression and Th2 elevation may induce antibody production against desmoglein in keratinocytes. Furthermore, increased level of Th17 and decreased level of regulatory T cells have been detected in PV patients. However, further studies on the exact role of γδ-T cells in PV are required in order to clarify the pathogenesis of PV. T cells and their subtypes can be involved in the pathogenesis of PV. Thus, they can be considered as tentative targets of novel therapies for PV.

Keywords: Immune system; Pemphigus vulgaris; T cell.

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