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1996-03-04
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Document 0686
DOCN M9640686
TI Cellular targets of infection and route of viral dissemination after an
intravaginal inoculation of simian immunodeficiency virus into rhesus
macaques.
DT 9604
AU Spira AI; Marx PA; Patterson BK; Mahoney J; Koup RA; Wolinsky SM; Ho DD;
Aaron Diamond AIDS Research Center, New York University School of;
Medicine, New York 10016, USA.
SO J Exp Med. 1996 Jan 1;183(1):215-25. Unique Identifier : AIDSLINE
MED/96136764
AB We used the simian immunodeficiency virus (SIV)/rhesus macaque model to
study events that underlie sexual transmission of human immunodeficiency
virus type 1 (HIV-1). Four female rhesus macaques were inoculated
intravaginally with SIVmac251, and then killed 2, 5, 7, and 9 d later. A
technique that detected polymerase chain reaction-amplified SIV in situ
showed that the first cellular targets for SIV were in the lamina
propria of the cervicovaginal mucosa, immediately subjacent to the
epithelium. Phenotypic and localization studies demonstrated that many
of the infected cells were likely to be dendritic cells. Within 2 d of
inoculation, infected cells were identified in the paracortex and
subcapsular sinus of the draining internal iliac lymph nodes.
Subsequently, systemic dissemination of SIV was rapid, since culturable
virus was detectable in the blood by day 5. From these results, we
present a model for mucosal transmission of SIV and HIV-1.
DE Animal Autopsy/VETERINARY Base Sequence Cell Fusion Cervix
Uteri/*VIROLOGY Dendritic Cells/VIROLOGY Disease Models, Animal
Female Histocytochemistry HIV Infections HIV-1 Lymphatic
System/VIROLOGY Macaca mulatta Molecular Sequence Data Mucous
Membrane/CYTOLOGY/VIROLOGY Polymerase Chain Reaction Simian Acquired
Immunodeficiency Syndrome/TRANSMISSION/*VIROLOGY Support, Non-U.S.
Gov't Support, U.S. Gov't, P.H.S. SIV/ISOLATION & PURIF Time Factors
Vagina/*VIROLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).