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Co-Stimulatory Receptors in Cancers and Their Implications for Cancer Immunotherapy

  • Seongju Jeong (Biomedical Science and Engineering Interdisciplinary Program, KAIST) ;
  • Su-Hyung Park (Biomedical Science and Engineering Interdisciplinary Program, KAIST)
  • Received : 2020.01.05
  • Accepted : 2020.01.27
  • Published : 2020.02.28
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Abstract

Immune checkpoint inhibitors (ICIs), including anti-PD-1 and anti-CTLA-4 therapeutic agents, are now approved by the Food and Drug Administration for treatment of various types of cancer. However, the therapeutic efficacy of ICIs varies among patients and cancer types. Moreover, most patients do not develop durable antitumor responses after ICI therapy due to an ephemeral reversal of T-cell dysfunction. As co-stimulatory receptors play key roles in regulating the effector functions of T cells, activating co-stimulatory pathways may improve checkpoint inhibition efficacy, and lead to durable antitumor responses. Here, we review recent advances in our understating of co-stimulatory receptors in cancers, providing the necessary groundwork for the rational design of cancer immunotherapy.

Keywords

Acknowledgement

This work was supported by the National Research Foundation of Korea (NRF) grant funded by the Korea government (MSIT) (NRF-2019R1A2C2005176).

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