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Discoidin domain receptor 1 (DDR1) is a member of the receptor tyrosine kinase superfamily, which mainly activates downstream signaling pathways through binding to collagen. The abnormal expression of DDR1 is closely related to the occurrence and development of various tumors, and it is one of the potential targets for molecular targeted therapy. At present, specific antibodies and selective small molecule inhibitors against DDR1 have been approved for Phase I clinical trials. In this review, we summarized the effects of DDR1 on tumor cell proliferation, survival, migration, invasion, energy metabolism and tumor microenvironment, and combed the research progress of selective DDR1 small molecule inhibitors in the field of anti-tumor. It is hoped that more DDR1 inhibitors with excellent performance will be developed to provide more treatment options for tumor patients.
Wang et al. (Tue,) studied this question.