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Molecular mechanisms of T cells activation by dendritic cells in autoimmune diseases

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Tai, Y, Wang, Qingtong, Korner, H ORCID: 0000-0003-4610-2814, Zhang, L and Wei, W 2018 , 'Molecular mechanisms of T cells activation by dendritic cells in autoimmune diseases' , Frontiers in Pharmacology, vol. 9, no. June , pp. 1-10 , doi: 10.3389/fphar.2018.00642.

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Abstract

The interaction between T cell and dendritic cells (DCs) that leads to T cell activation affects the progression of the immune response including autoimmune diseases. Antigen presentation on immune cell surface, formation of an immunological synapse (IS), and specific identification of complex by T cells including two activating signals are necessary steps that lead to T cell activation. The formation of stimulatory IS involves the inclusion of costimulatory molecules, such as ICAM-1/LFA-1 and CD28/B7-1, and so on. Some fusion proteins and monoclonal antibodies targeting costimulatory molecules have been developed and approved to treat autoimmune diseases, including rheumatoid arthritis (RA), systemic lupus erythematosus (SLE), multiple sclerosis (MS), type I diabetes (T1D), inflammatory bowel disease (IBD), and psoriasis. These biological agents, including CTLA-4- and LFA-3-Ig, anti-CD3 monoclonal antibody, could prevent the successful engagement of DCs by T cell with significant efficacy and safety profile. In this article, we reviewed the molecular mechanisms of T cell activation during the interaction between T cells and DCs, and summarized some biological agents that target costimulatory molecules involved in the regulation of T cell activation.

Item Type: Article
Authors/Creators:Tai, Y and Wang, Qingtong and Korner, H and Zhang, L and Wei, W
Keywords: T cell, activation, autoimmune diseases, biological agents, dendritic cells, immunological synapse
Journal or Publication Title: Frontiers in Pharmacology
Publisher: Frontiers Research Foundation
ISSN: 1663-9812
DOI / ID Number: 10.3389/fphar.2018.00642
Copyright Information:

Copyright 2018 Tai, Wang, Korner, Zhang and Wei. Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0) https://creativecommons.org/licenses/by/4.0/

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