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Therapeutic potential of interleukin-15 in cancer (Review)

Gheorghita Isvoranu1, Mihaela Surcel2, Adriana Narcisa Munteanu2,3

  • 1Department of Animal Husbandry, 'Victor Babes' National Institute of Pathology, 050096 Bucharest, Romania.

Experimental and Therapeutic Medicine
|May 14, 2021
PubMed

The immune system is dysfunctional in cancer, and therapeutic approaches designated to restore immunity and increase long-term overall survival are desirable. The role of immunotherapy is to trigger the immune system to recognize and destroy tumor cells. Interleukin-15 (IL-15) is a member of the common gamma-chain (γc) cytokines that promote the differentiation and expansion of T cells, B cells and natural killer (NK) cells, leading to enhanced antitumor responses. This suggests that IL-15 is a promising candidate for anticancer therapy. Renewed interest in cancer immunotherapy has led to an increased number of preclinical studies and clinical trials that have investigated the reliability and potency of IL-15-based agents, not only as single therapy, but also in combination with others. This review provides a description of these studies which show the advantages and disadvantages of IL-15 as an immunotherapeutic agent. We present here the role of IL-15 and pharmacologically improved IL-15 superagonists as a single treatment or in combination with other therapeutic agents.

Keywords:
T cellscancer immunotherapycombination immunotherapyinterleukin-15natural killer cells

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