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. 1987 Mar;126(3):403-10.

AIDS subacute encephalitis. Identification of HIV-infected cells

R Vazeux, N Brousse, A Jarry, D Henin, C Marche, C Vedrenne, J Mikol, M Wolff, C Michon, W Rozenbaum, et al.

AIDS subacute encephalitis. Identification of HIV-infected cells

R Vazeux et al. Am J Pathol. 1987 Mar.

Abstract

Human immunodeficiency virus (HIV) RNA and proteins were detected in the brains of several AIDS patients with subacute encephalitis, by in situ hybridization and immunohistology. The majority of infected cells were mononucleated and bore processes. Using single and double immunohistologic procedures, the authors identified these cells as macrophages. The majority of them had the phenotype of microglial cells (Leu-M3-, CD4-), others were labeled with markers of circulating macrophages (Leu-M3+, CD4+/-). The presence of HIV RNA and proteins in CD4- cells could be explained by depressed CD4 antigen expression, as a result of infection or macrophage tissue differentiation.

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