期刊
FRONTIERS IN IMMUNOLOGY
卷 13, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2022.862866
关键词
Th2; Th1; Th17; Th9; Tfh; immunosuppression; Treg
类别
资金
- National Natural Science Program of China [82174170, 81703829]
- Shanghai Science and Technology Commission [18401901800, 21S21902500]
CD4(+) helper T cell subsets play a critical role in the pathogenesis of asthma. Different subsets of Th cells differentiate under the stimulation of different cytokines and are driven by lineage-specific transcription factors. The balance between effector Th cell response and Treg cell immunosuppression is essential for maintaining immune homeostasis and understanding the immunopathological mechanism of asthma. Recent studies have found that certain factors involved in effector Th cell response also contribute to the development and function of Treg cells. This review aims to summarize the role of these factors in Treg cell development and function to gain new insights into the immunopathological mechanism and potential therapy strategies of asthma.
CD4 (+) helper T (Th) cell subsets are critically involved in the pathogenesis of asthma. Naive Th cells differentiate into different subsets under the stimulation of different sets of cytokines, and the differentiation process is dominantly driven by lineage specific transcription factors, such as T-bet (Th1), GATA3 (Th2), ROR gamma t (Th17) and Foxp3 (Treg). The differentiation mechanisms driven by these transcription factors are mutually exclusive, resulting in functional inhibition of these Th subsets to each other, particularly prominent between effector Th cells and Treg cells, such as Th2 versus Treg cells and Th17 versus Treg cells. Being of significance in maintaining immune homeostasis, the balance between effector Th cell response and Treg cell immunosuppression provides an immunological theoretical basis for us to understand the immunopathological mechanism and develop the therapy strategies of asthma. However, recent studies have found that certain factors involved in effector Th cells response, such as cytokines and master transcription factors (IL-12 and T-bet of Th1, IL-4 and GATA3 of Th2, IL-6 and ROR gamma t of Th17), not only contribute to immune response of effector Th cells, but also promote the development and function of Treg cells, therefore bridging the interplay between effector Th cell immune responses and Treg cell immunosuppression. Although we have an abundant knowledge concerning the role of these cytokines and transcription factors in effector Th cell responses, our understanding on their role in Treg cell development and function is scattered thus need to be summarized. This review summarized the role of these cytokines and transcription factors involved in effector Th cell responses in the development and function of Treg cells, in the hope of providing new insights of understanding the immunopathological mechanism and seeking potential therapy strategies of asthma.
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