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Journal of Virology, February 2006, p. 1152-1159, Vol. 80, No. 3
0022-538X/06/$08.00+0 doi:10.1128/JVI.80.3.1152-1159.2006
Copyright © 2006, American Society for Microbiology. All Rights Reserved.
LaboRetro, INSERM U412, Ecole Normale Supérieure de Lyon, IFR 128 BioSciences Lyon-Gerland,1 Etablissement Transfusion Sanguine, Lyon, France2
Received 4 July 2005/ Accepted 4 November 2005
It is commonly accepted that infection of nondividing cells by gammaretroviruses such as the murine leukemia viruses is inefficient due to their inability to cross the nuclear envelope barrier. Challenging this notion, we now show that human nondividing macrophages display a specific window of susceptibility to transduction with a Friend murine leukemia virus (F-MLV)-derived vector during their differentiation from monocytes. This finding suggests that factors other than the nuclear membrane govern permissiveness to gammaretroviral infection and raises the possibility of using the macrophage tropism of F-MLV in gene therapy.
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