Document 0248 DOCN M94A0248 TI Growth ability of human immunodeficiency virus type 1 auxiliary gene mutants in primary blood macrophage cultures. DT 9412 AU Kawamura M; Ishizaki T; Ishimoto A; Shioda T; Kitamura T; Adachi A; Department of Viral Oncology, Kyoto University, Japan. SO J Gen Virol. 1994 Sep;75 ( Pt 9):2427-31. Unique Identifier : AIDSLINE MED/94358745 AB A strain of human immunodeficiency virus type 1 that is strictly tropic for primary human blood cell cultures was constructed in vitro. Mutational studies on the vif, vpr, vpu and nef genes of this virus were performed to evaluate their biological functions in natural target cells. For this purpose, replication properties of mutant viruses in peripheral blood mononuclear cells (PBMCs) and macrophages (PBMPs) were determined. Three phenotypes with respect to virus replication were noticed: normal or mildly retarded growth (nef and vpr mutants), impaired growth (vpu mutant), and no growth (vif mutant). These results suggest that the Vif and Vpu proteins are more important than the Nef and Vpr proteins for virus replication in PBMCs and PBMPs. DE Cell Line Cells, Cultured Comparative Study *Genes, Structural, Viral Genome, Viral Human HIV Long Terminal Repeat HIV-1/GROWTH & DEVELOPMENT/GENETICS/*PHYSIOLOGY Kinetics Leukemia, Promyelocytic, Acute Lymphocytes/MICROBIOLOGY Macrophages/*MICROBIOLOGY *Mutation Restriction Mapping Support, Non-U.S. Gov't Virus Replication/*GENETICS JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).