peripheral blood mononuclear cells from human immunodeficiency virus seropositive ( hiv+ ) individuals who did not exhibit symptoms of acquired immunodeficiency syndrome ( aids ) ( walter reed stage 1 patients ) were tested for accessory cell function for presentation of recall antigens to autologous t lymphocytes and for presentation of hla alloantigens to t lymphocytes from healthy , hiv- donors .
C0003315
accessory cell
C0206431
presentation