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AIDS Res Hum Retroviruses. 1992 Dec;8(12):2063-71.

Expression of human CD4 in transgenic mice does not confer sensitivity to human immunodeficiency virus infection.

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Unité 257, Institut National de la Santé et de la Recherche Médicale, Institut Cochin de Génétique Moléculaire, Paris, France.


Transfection of the human CD4 molecule into mouse cells does not confer susceptibility to human immunodeficiency virus type 1 (HIV-1) infection. Expression of the human CD4 molecule in transgenic mice was seen to offer some new possibilities. However, transgenic mouse T cells expressing either the human CD4 receptor, or a hybrid human/mouse CD4 receptor alone or in conjunction with human major histocompatibility complex class I molecules, were refractory to in vitro HIV-1 infection. In addition, no infection was observed after in vivo HIV inoculation to mice of these various transgenic lines. Injection of recombinant gp160 viral protein to the transgenic mice did not alter their T and B cell populations. The existence of a dominant block in mouse cells that prevents HIV entry is discussed.

[Indexed for MEDLINE]

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