production of granulocyte-macrophage colony-stimulating factor ( gm-csf ) by normal t lymphocytes requires activation by antigen , mitogen or lectin , whereas t-cell lines transformed by human t-cell leukemia virus type i ( htlv-i ) or type ii ( htlv-ii ) constitutively produce high levels of gm-csf .
C0018284
mitogen
C0079460
gm-csf