Article
Identification and optimization of peptide inhibitors to block VISTA/PSGL-1 interaction for cancer immunotherapy
8 Aug 2023
Abstract excerpt
Developing new therapeutic agents for cancer immunotherapy is highly demanding due to the low response ratio of PD-1/PD-L1 blockade in cancer patients. Here, we discovered that the novel immune checkpoint VISTA is highly expressed on a variety of tumor-infiltrating immune cells, especially myeloid derived suppressor cells (MDSCs) and CD8+ T cells. Then, peptide C1 with binding affinity to VISTA was developed by...
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