tokens: Monocytic cell lines and normal peripheral blood monocytes were infected with HIV-1 in vitro and cultured in the presence or absence of F ( ab' ) 2 fragments of monoclonal anti- CR1 or anti- CR3 Abs or with C3 fragments .
folded_tokens: monocytic cell lines and normal peripheral blood monocytes were infected with hiv-1 in vitro and cultured in the presence or absence of f ( ab' ) 2 fragments of monoclonal anti- cr1 or anti- cr3 abs or with c3 fragments .
labels: B-cell_line I-cell_line I-cell_line O O O O O O O O B-virus O O O O O O O O O O B-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit I-protein_subunit O B-protein_molecule I-protein_molecule B-protein_molecule O B-protein_family_or_group B-protein_molecule O O O B-protein_subunit I-protein_subunit O