In recent years, cancer immunotherapy, exemplified by PD-1 and its ligand PD-L1 blockade ... is through the protein tyrosine phosphatase non-receptor type 2 (PTPN2) and its close superfamily ...
The first patient has been treated in a phase 1/2 clinical trial of an experimental ... treatment-resistant malignant melanoma. PD-L1 is a cell surface receptor expressed on both tumour and ...