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反应性骨髓增生与髓系介导的免疫抑制的发生:对过继细胞治疗的影响。

Reactive myelopoiesis and the onset of myeloid-mediated immune suppression: Implications for adoptive cell therapy.

机构信息

Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.

Department of Immunology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA.

出版信息

Cell Immunol. 2021 Mar;361:104277. doi: 10.1016/j.cellimm.2020.104277. Epub 2020 Dec 26.

Abstract

Adoptive T cell therapy (ACT) in combination with lymphodepleting chemotherapy is an effective strategy to induce the eradication of cancer, providing long-term regressions in patients. However, only a minority of patients that receive ACT with tumor-specific T cells exhibit durable benefit. Thus, there is an urgent need to characterize mechanisms of resistance and define strategies to alleviate immunosuppression in the context of ACT in cancer. This article reviews the importance of lymphodepleting regimens in promoting the optimal engraftment and expansion of T cells in hosts after adoptive transfer. In addition, we discuss the role of concomitant immunosuppression and the accumulation of myeloid derived suppressor cells (MDSCs) during immune recovery after lymphodepleting regimens and mobilization regimens.

摘要

过继性 T 细胞疗法(ACT)与淋巴细胞耗竭化疗相结合是一种有效策略,可以诱导癌症的消除,为患者提供长期缓解。然而,只有少数接受肿瘤特异性 T 细胞的 ACT 的患者表现出持久的益处。因此,迫切需要确定抵抗机制,并定义在癌症的 ACT 背景下减轻免疫抑制的策略。本文综述了淋巴细胞耗竭方案在促进过继转移后宿主中 T 细胞的最佳植入和扩增中的重要性。此外,我们还讨论了在淋巴细胞耗竭方案和动员方案后免疫恢复期间伴随的免疫抑制和髓样来源抑制细胞(MDSCs)积累的作用。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/841f/7901256/86b97e665db4/nihms-1662252-f0001.jpg

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