Targeting ubiquitin specific proteases (USPs) in cancer immunotherapy: from basic research to preclinical application

Author:

Gao Hongli,Yin Jianqiao,Ji Ce,Yu Xiaopeng,Xue Jinqi,Guan Xin,Zhang Shuang,Liu Xun,Xing FeiORCID

Abstract

AbstractTumors have evolved in various mechanisms to evade the immune system, hindering the antitumor immune response and facilitating tumor progression. Immunotherapy has become a potential treatment strategy specific to different cancer types by utilizing multifarious molecular mechanisms to enhance the immune response against tumors. Among these mechanisms, the ubiquitin–proteasome system (UPS) is a significant non-lysosomal pathway specific to protein degradation, regulated by deubiquitinating enzymes (DUBs) that counterbalance ubiquitin signaling. Ubiquitin-specific proteases (USPs), the largest DUB family with the strongest variety, play critical roles in modulating immune cell function, regulating immune response, and participating in antigen processing and presentation during tumor progression. According to recent studies, the expressions of some USP family members in tumor cells are involved in tumor immune escape and immune microenvironment. This review explores the potential of targeting USPs as a new approach for cancer immunotherapy, highlighting recent basic and preclinical studies investigating the applications of USP inhibitors. By providing insights into the structure and function of USPs in cancer immunity, this review aims at assisting in developing new therapeutic approaches for enhancing the immunotherapy efficacy.

Funder

345 Talent Project of Shengjing Hospital of China Medical University

Publisher

Springer Science and Business Media LLC

Subject

Cancer Research,Oncology

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