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AIDS Res Hum Retroviruses. 1996 Sep 1;12(13):1247-53.

HIV type 1 phenotype correlates with the stage of infection in vertically infected children.

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1
Clinica delle Malattie Infettive, University of Milan, Italy.

Abstract

A cohort of 39 vertically infected children (class N, A, B, and C of the CDC HIV classification for pediatric infection) was studied by virus isolation and non-syncytium inducing (NSI)/syncytium inducing (SI) HIV-1 phenotype evaluation. The HIV-1 isolates were recovered from PBMCs and the MT-2 cell line was used to perform the syncytium assay. HIV-1 could be isolated in 34 of 39 (87%) infected children, regardless of the clinical and immunological stage of the disease. Class N and A subjects harbored exclusively NSI strains, whereas the SI phenotype was detected in two of eight class B and five of nine class C patients. All of the SI variants were observed in severely CD4-depleted children (class 3 patients). The capability of pediatric HIV-1 isolates to induce a cytopathic effect is associated with the clinical status and the degree of CD4 depletion. These data suggest that the biological properties of HIV-1 isolates in children do not differ from those observed in adults, and that viral phenotype strictly correlates with disease progression in vertically infected children.

PMID:
8870846
DOI:
10.1089/aid.1996.12.1247
[Indexed for MEDLINE]

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