Dynamic Roles for IL-2-STAT5 Signaling in Effector and Regulatory CD4(+) T Cell Populations.
Dynamic Roles for IL-2-STAT5 Signaling in Effector and Regulatory CD4(+) T Cell Populations.
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DOI:
10.4049/jimmunol.2000612
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发表时间:
2020-10-01
期刊:
影响因子:
--
通讯作者:
Oestreich KJ
中科院分区:
文献类型:
--
作者:
Jones DM;Read KA;Oestreich KJ
CD4+ T helper cells are responsible for orchestrating diverse, pathogen-specific immune responses through their differentiation into a number of subsets, including T helper 1 (TH1), TH2, TH9, T follicular helper (TFH), T follicular regulatory (TFR), and regulatory T (TREG) cells. The differentiation of each subset is guided by distinct regulatory requirements, including those derived from extracellular cytokine signals. Interleukin-2 (IL-2) has emerged as a critical immunomodulatory cytokine that both positively and negatively affects the differentiation of individual T helper cell subsets. IL-2 signals, in part, via activation of Signal Transducer and Activator of Transcription 5 (STAT5), which functions as a key regulator of CD4+ T cell gene programs. In this review, we discuss current understanding of the mechanisms that allow IL-2-STAT5 signaling to exert divergent effects across CD4+ T cell subsets and highlight specific roles for this pathway in the regulation of individual T helper cell differentiation programs.
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