HIV-1 variability and progression to AIDS: a longitudinal study.

Abstract:

:HIV-1 replicative activity and its relation to the clinical and immunological evolution of infection was studied in a group of 150 HIV-1 seropositive Italian i.v. drug abusers over a 1 year period. HIV-1 was isolated from 90 (60%) subjects; two groups of isolates were distinguished, according to replicative activity "in vitro" and ability to induce cytopathic effects in cell cultures, and were termed "rapid-high" and "slow-low" viruses, in agreement with other workers. Rapid-high viruses were recovered more frequently from patients with ARC/AIDS, while slow-low viruses seemed related to the asymptomatic period of infection. The replicative properties of HIV-1 seem to affect strongly the course of disease. In fact, an important CD4 cell decline occurred in asymptomatic subjects with rapid-high virus infection; asymptomatic subjects with negative viral cultures or with slow-low viruses showed no such decline. Asymptomatic subjects with negative viral cultures had no signs of disease during the observation period, while 9% with slow-low virus and 45% with rapid-high virus progressed to AIDS.

journal_name

J Med Virol

authors

Fiore JR,Calabró ML,Angarano G,De Rossi A,Fico C,Pastore G,Bianchi LC

doi

10.1002/jmv.1890320411

subject

Has Abstract

pub_date

1990-12-01 00:00:00

pages

252-6

issue

4

eissn

0146-6615

issn

1096-9071

journal_volume

32

pub_type

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