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Interleukin-7 (IL-7) is a multipotent cytokine that maintains the homeostasis of the immune system. IL-7 plays a vital role in T-cell development, proliferation, and differentiation, as well as in B cell maturation through the activation of the IL-7 receptor (IL-7R). IL-7 is closely associated with tumor development and has been used in cancer clinical research and therapy. In this review, we first summarize the roles of IL-7 and IL-7Rα and their downstream signaling pathways in immunity and cancer. Furthermore, we summarize and discuss the recent advances in the use of IL-7 and IL-7Rα as cancer immunotherapy tools and highlight their potential for therapeutic applications. This review will help in the development of cancer immunotherapy regimens based on IL-7 and IL-7Rα, and will also advance their exploitation as more effective and safe immunotherapy tools.


Chunli Wang, Lingzu Kong, Seokmin Kim, Sunyoung Lee, Sechan Oh, Seona Jo, Inhwan Jang, Tae-Don Kim. The Role of IL-7 and IL-7R in Cancer Pathophysiology and Immunotherapy. International journal of molecular sciences. 2022 Sep 08;23(18)

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PMID: 36142322

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