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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Isolation frequency and growth properties of HIV‐variants: Multiple simultaneous variants in a patient demonstrated by molecular cloning
Journal of Medical Virology, Volume 23, No. 1, Year 1987
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Description
The biological properties and efficiency of isolation of different HIV (LAV/HTLV III, ARV, and AAV) subtypes were evaluated by recovering and growing HIV on fresh peripheral human lymphocytes. Cultures for virus isolaton were performed from more than 180 German AIDS, ARC, LAS, and virus‐exposed asymptomatic patients. The virus isolation rate depended on the state of health of the patients being close to 80% in AIDS patients, 3040% in ARC/LAS patients, and lower in asymptomatic HIV seropositive patients. The cytopathic effects of the HIV isolates obtained on lymphocyte‐cell cultures ranged from no effect to marked syncytia formation and cytopathogenicity. Marked differences were also observed in the replication rate of the various isolates. These properties were stable in all in vitro passages of the viruses performed so far and allowed to tentatively define four subtypes of HIV. In the majority of AIDS cases with neurological symptoms well‐growing strains were obtained from peripheral blood, while all but two isolates from the cerebrospinal fluid of the same patients grew remarkably slowly and to only low titres on lymphocytes, suggesting that selection of variants for growth at specific sites of the body occurs. For one of the most cytopathogenic strains the influence of several variables of culture conditions (cell type, corticosteroids, IL‐2, and polybrene) on virus replication was studied. Apart from polybrene, all parameters strongly influenced replication. Copyright © 1987 Wiley Subscription Services, Inc., A Wiley Company
Authors & Co-Authors
von Briesen, Hagen
Germany, Frankfurt am Main
Georg-speyer-haus
Becker, Walter B.
South Africa, Stellenbosch
Stellenbosch University
Henco, K.
Germany, Frankfurt am Main
Universitätsklinikum Frankfurt
Helm, Eilke Brigitte
Unknown Affiliation
Gelderblom, Hans R.
Unknown Affiliation
Brede, H. D.
Germany, Frankfurt am Main
Georg-speyer-haus
Rübsamen-Waigmann, Helga
Germany, Frankfurt am Main
Georg-speyer-haus
Statistics
Citations: 97
Authors: 7
Affiliations: 3
Identifiers
Doi:
10.1002/jmv.1890230107
ISSN:
01466615
e-ISSN:
10969071
Research Areas
Health System And Policy
Infectious Diseases