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2004:
Nitkiewicz Jadwiga; Chao Wei; Bentsman Galina; Li Jinliang; Kim Seon-Young; Choi So Young; Grunig Gabrielle; Gelbard Harris; Potash Mary Jane; Volsky David J
Productive infection of primary murine astrocytes, lymphocytes, and macrophages by human immunodeficiency virus type 1 in culture.
Journal of neurovirology 2004;
10(
6):.
A mouse model of human immunodeficiency virus type 1 (HIV-1) infection would be extremely valuable for evaluation of therapies and vaccines; however, multiple blocks to productive infection of NIH 3T3 and other mouse cell lines have been reported. The authors investigated the replication of HIV-1 in primary mouse astrocytes, lymphocytes, and macrophages in culture by infection with intact HIV-1 pseudotyped with the vesicular stomatitis virus G envelope glycoprotein (VSV-G) or with the envelope glycoprotein of amphotropic murine leukemia virus. Astrocytes, lymphocytes, and macrophages were susceptible to productive infection as variously assayed by detection of p24 and Tat proteins, viral protease-mediated processing of Gag, appropriately spliced viral RNA, and infectious progeny virus. As expected, NIH 3T3 cells were not susceptible to productive infection by VSV/NL4. Susceptibility mapped neither to the Fv locus nor to a possible polymorphism in cyclin T1. This study indicates that there are no intrinsic intracellular barriers to HIV-1 replication in primary mouse cells when virus entry is efficient.
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