a soluble factor ( s ) , human t-lymphocyte derived help factor ( hhf ) , generated following pokeweed mitogen ( pwm ) activation of irradiated human peripheral blood t lymphocytes was shown to substitute partially for t-lymphocyte helper activity in the t-lymphocyte dependent pwm-stimulated synthesis of immunoglobulin by b cells .
C1155065
activation
C0039194
t-lymphocyte