OBJECTIVE : To examine the inter-relationship between HIV-1 infection and the cell surface receptors for tumor necrosis factor ( TNF ) -alpha , an immunoregulatory cytokine that can enhance HIV-1 replication .
objective : to examine the inter-relationship between hiv-1 infection and the cell surface receptors for tumor necrosis factor ( tnf ) -alpha , an immunoregulatory cytokine that can enhance hiv-1 replication .
O O O O O O O B-virus O O O O O O O B-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule I-protein_molecule O O O O O O O B-virus O O