title: Signaling by HLA class II antigens on B cells.
mesh_terms: D001402:B-Lymphocytes / Q000276:immunology*; D006681:HLA-D Antigens / Q000502:physiology*; D006801:Humans; D015398:Signal Transduction / Q000276:immunology*
chemical_list: D006681:HLA-D Antigens