Document 0466 DOCN M9620466 TI Infection of Macaca nemestrina brain with human immunodeficiency virus type 1. DT 9602 AU Frumkin LR; Patterson BK; Leverenz JB; Agy MB; Wolinsky SM; Morton WR; Corey L; Department of Medicine, University of Washington School of; Medicine, Seattle 98195, USA. SO J Gen Virol. 1995 Oct;76 ( Pt 10):2467-76. Unique Identifier : AIDSLINE GENBANK/K03455 AB We previously reported that pigtailed macaques (Macaca nemestrina) became infected after intravenous inoculation with the LAI strain of human immunodeficiency virus type 1 (HIV-1), an isolate that replicates in both M. nemestrina lymphocytes and blood-derived monocyte/macrophages. In the current study we investigated the presence of HIV-1 and pathology in the postmortem brains of four of these macaques. Histopathological findings revealed focal lesions in white matter in the frontal and occipital lobes of one macaque, with myelin loss, nerve fibre loss, and gliosis within these lesions. Semi-quantitative, solution-based PCR revealed HIV-1 DNA in the brains of two of the other macaques. Using slide-based PCR-driven in situ hybridization, we studied these two macaques further and detected intranuclear, circular HIV-1 DNA in vascular endothelia and other non-neuronal brain cells. These findings indicate that M. nemestrina brain can be infected with HIV-1 in vivo and may provide a useful animal model for understanding early HIV-1 brain infection in humans. DE Amino Acid Sequence Animal AIDS Dementia Complex/*PATHOLOGY/*VIROLOGY Base Sequence Brain/PATHOLOGY/*VIROLOGY Cells, Cultured Consensus Sequence Disease Models, Animal DNA, Circular/ANALYSIS DNA, Viral/ANALYSIS Human HIV Envelope Protein gp120/CHEMISTRY HIV-1/*ISOLATION & PURIF/PATHOGENICITY In Situ Hybridization/METHODS Macaca nemestrina/*VIROLOGY Molecular Sequence Data Monocytes/VIROLOGY Peptide Fragments/CHEMISTRY Polymerase Chain Reaction/METHODS RNA, Messenger/ANALYSIS RNA, Viral/ANALYSIS Support, U.S. Gov't, P.H.S. JOURNAL ARTICLE SOURCE: National Library of Medicine. NOTICE: This material may be protected by Copyright Law (Title 17, U.S.Code).