this virus-induced cell-mediated cytotoxicity , which was mediated by human natural-killer 1+ cells , could be blocked only with monoclonal antibodies to the hemagglutinin and not with antinucleoprotein or antimatrix protein monoclonal antibodies , results indicating that the hemagglutinin of influenza virus is a potent mediator of natural killer cell stimulation in vitro .
C0003250
monoclonal antibodies
C0003241
antibodies