Frequent and early in utero HIV-1 infection.

Abstract:

:We have investigated in utero human immunodeficiency virus type 1 (HIV-1) transmission by analyzing human fetal tissues for the presence of viral DNA by means of the polymerase chain reaction (PCR). Thirty three fetal samples: thymus, spleen, and peripheral mononuclear blood cells (PMBC) were obtained at abortion (16 to 24 weeks) from HIV-1-infected asymptomatic women. The results of HIV-1-DNA detection were considered only in 9 cases where contamination of fetal samples by infected mother cells could be definitely eliminated by using primers specific for a polymorphic cellular locus. PCR allowed the identification of HIV-1 DNA sequences in 6/8, 8/9, and 5/9 of specimens from thymus, spleen, and PMBC, respectively. Positive results were shown in fetuses as early as 16 weeks. Viral cultures as well as assays for serum p24 HIV-1 antigen were negative in 9.9 and 33/33 tested, respectively. Therefore, our results indicate early and frequent in utero HIV-1 infection. Different patterns of viral activation after birth might then lead to either rapid or delayed onset of acquired immunodeficiency syndrome.

authors

Courgnaud V,Lauré F,Brossard A,Bignozzi C,Goudeau A,Barin F,Bréchot C

doi

10.1089/aid.1991.7.337

subject

Has Abstract

pub_date

1991-03-01 00:00:00

pages

337-41

issue

3

eissn

0889-2229

issn

1931-8405

journal_volume

7

pub_type

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