Assertion: prostaglandin's role | /r/HasProperty | to present antigen
Facets:
value: to t lymphocytes
type: TRANSITIVE-OBJECT
Source sentences:
text: The important role of HLA-DR antigens is to present antigens to T lymphocytes, whereas the PTPN22 protein tyrosine phosphatase appears to have a potential function in the setting of T-cell and B-cell activation .