Journal
CANCER LETTERS
Volume 573, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.canlet.2023.216381
Keywords
CD155; immune escape; Cancer immunotherapy; TIGIT; CD96
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This review focuses on the structure and function of CD155 and its receptors, as well as their role in immune escape, tumor therapy, and immunotherapy research. It also discusses the future direction of checkpoint immunotherapy.
In recent years, there have been multiple breakthroughs in cancer immunotherapy, with immune checkpoint inhibitors becoming the most promising treatment strategy. However, available drugs are not always effective. As an emerging immune checkpoint molecule, CD155 has become an important target for immunotherapy. This review describes the structure and function of CD155, its receptors TIGIT, CD96, and CD226, and summarizes that CD155 expressed by tumor cells can upregulate its expression through the DNA damage response pathway and Ras-Raf-MEK-ERK signaling pathway. This review also elaborates the mechanism of immune escape after binding CD155 to its receptors TIGIT, CD96, and CD226, and summarizes the current progress of immunotherapy research regarding CD155 and its receptors. Besides, it also discusses the future direction of checkpoint immunotherapy.
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