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    Regulatory T cells (Treg), as members of CD4+ T cells, have garnered extensive attention in the research of tumor progression. Treg cells have the function of inhibiting the immune effector cells, preventing tissue damage, and suppressing inflammation. Under the stimulation of the tumor inflammatory microenvironment (IM), the reprogramming of Treg cells enhances their suppression of immune responses, ultimately promoting tumor immune escape or tumor progression. Reducing the number of Treg cells in the IM or lowering the activity of Treg cells while preventing their reprogramming, can help promote the body's anti-tumor immune responses. This review introduces a reprogramming mechanism of Treg cells in the IM; and discusses the regulation of Treg cells on tumor progression. The control of Treg cells and the response to Treg inflammatory reprogramming in tumor immunotherapy are analyzed and countermeasures are proposed. This work will provide a foundation for downregulating the immunosuppressive role of Treg in the inflammatory environment in future tumor immunotherapy. Copyright © 2023 Wu, Zhou, Cao, Chen, Gong, Zhang, Qiang, Lu and Cao.


    Xinyan Wu, Zhigang Zhou, Qiang Cao, Yuquan Chen, Junling Gong, Qi Zhang, Yi Qiang, Yanfeng Lu, Guangzhu Cao. Reprogramming of Treg cells in the inflammatory microenvironment during immunotherapy: a literature review. Frontiers in immunology. 2023;14:1268188

    PMID: 37753092

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