1990
DOI: 10.1016/0140-6736(90)90349-a
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HIV-1 in trophoblastic and villous Hofbauer cells, and haematological precursors in eight-week fetuses

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Cited by 273 publications
(124 citation statements)
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“…However, it is noteworthy that the sequence populations of the maternal samples collected during the first and second trimesters of pregnancy showed the highest similarity to the sequence population of the child at birth (Fig. 3), since in utero transmission has been described in first and second trimester fetuses (Courgnaud et al, 1991;Lewis et al, 1990;Mano & Chermann, 1991). Sequences identical or closely related (< 1% nucleotide difference) to the variant transmitted to the child represented a minority (~< 15 %) in all of the maternal samples.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, it is noteworthy that the sequence populations of the maternal samples collected during the first and second trimesters of pregnancy showed the highest similarity to the sequence population of the child at birth (Fig. 3), since in utero transmission has been described in first and second trimester fetuses (Courgnaud et al, 1991;Lewis et al, 1990;Mano & Chermann, 1991). Sequences identical or closely related (< 1% nucleotide difference) to the variant transmitted to the child represented a minority (~< 15 %) in all of the maternal samples.…”
Section: Discussionmentioning
confidence: 99%
“…It has been demonstrated that the HIV-1 envelope shows genetic variation within a person over time (Wolfs et al, 1990(Wolfs et al, , 1991Holmes et al, 1992). In perinatally infected children, transmission may have occurred many months before birth (Courgnaud et al, 1991;Lewis et al, 1990;Mano & Chermann, 1991). It cannot be discounted, therefore, that the virus population observed in the child at birth represents a major variant in the mother at the actual time of transmission earlier in pregnancy.…”
Section: Introductionmentioning
confidence: 99%
“…La transmission verticale du VIH peut se produire au cours de trois stades: en pre-partum (infection en cours de grossesse), où il y aurait passage du VIH de la mère au foetus via le placenta [8], en intra-partum (infection au cours de l'accouchement) [9] et en post-partum (via l'allaitement maternel) [10]. Deux tiers des enfants contaminés seraient infectés par le VIH le jour même de leur naissance, c'est-à-dire lors de l'accouchement [11].…”
Section: Des Périodes Critiques Pour La Transmission Mère-enfantunclassified
“…Qu'en est-il de la transmission mère-enfant durant la grossesse? La contamination in utero, qui concerne un tiers des enfants contaminés, se produirait dans la plupart des cas moins de deux mois avant la naissance [11]; toutefois, elle peut également intervenir durant les premières semaines de grossesse [8,14].…”
Section: Des Périodes Critiques Pour La Transmission Mère-enfantunclassified
“…In fact, the fetus acquired the HIV-1 as early as eight weeks of gestation (12). Trophoblastic cells express CD4, CCR1, CCR3, CXCR4 and CCR5, all molecules involved in HIV-1 entry (13).…”
mentioning
confidence: 99%