text_1: In chronic viral infections or tumors, peptides that selectively inhibit PTPRS can be utilized to boost insufficient activity of pDCs.
text_2: Protein tyrosine phosphatase σ (PTPσ), along with its sister phosphatase leukocyte common antigen-related (LAR) and the nogo receptors 1 and 3 (NgR), have recently been identified as receptors for the inhibitory glycosylated side chains of CSPGs.