title: Staphylococcal protein A, a T cell-regulated polyclonal activator of human B cells.
mesh_terms: D000921:Antibody-Producing Cells / Q000276:immunology; D001402:B-Lymphocytes / Q000276:immunology*; D002450:Cell Communication; D002999:Clone Cells / Q000276:immunology; D004306:Dose-Response Relationship, Immunologic; D006801:Humans; D011043:Pokeweed Mitogens / Q000494:pharmacology; D013205:Staphylococcal Protein A / Q000494:pharmacology*; D013601:T-Lymphocytes / Q000276:immunology*
chemical_list: D011043:Pokeweed Mitogens; D013205:Staphylococcal Protein A