Using reverse-transcription PCR differential display , we isolated an mRNA species expressed in IL-2 -but not IL-12 -stimulated NK cells .
using reverse-transcription pcr differential display , we isolated an mrna species expressed in il-2 -but not il-12 -stimulated nk cells .
O B-other_name I-other_name I-other_name I-other_name O O O O B-RNA_family_or_group I-RNA_family_or_group O O B-protein_molecule O O B-protein_molecule O O O O