Title
Comparison of human-immunodeficiency-virus biological phenotypes isolated from cerebrospinal-fluid and peripheral bleed Comparison of human-immunodeficiency-virus biological phenotypes isolated from cerebrospinal-fluid and peripheral bleed
Author
Publication type
article
Publication
New York, N.Y. ,
Subject
Human medicine
Source (journal)
Journal of medical virology. - New York, N.Y.
Volume/pages
47() :1 , p. 92-96
ISSN
0146-6615
ISI
A1995RQ82200016
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Abstract
Quantitative human immunodeficiency virus (HIV) cultures were carried out on cerebrospinal fluid (CSF), peripheral blood mononuclear cells (PBMCs), and plasma from patients with HIV in order to compare the infectious HIV load. The HIV strains isolated were studied for syncytium-inducing (SI) capacity, using the MT-2 cell line, in order to compare the HIV strain phenotype of blood and CSF isolates. Forty-two patients with HIV-1 infection were enrolled in the study, 33 of whom had neurological symptoms and 9 of whom were without neurological symptoms. HIV was isolated from 16 (38%) of the 42 CSF cultures, with a low mean titer of 6.3 +/- 3.4 tissue-culture-infective doses (TCID) per milliliter. Patients with HIV-positive of CSF culture had a viral load in PBMCs of 40.5 +/- 15.5 TCID per 10(6) PBMC and in plasma of 104.7 +/- 9.3 per milliliter. Two (15%) of the 13 CSF isolates were SI strains, compared to 17 (55.6%) of the 30 PBMC isolates and 13 (54%) of the 24 plasma isolates (P < 0.05). Five of the nine patients from whom CSF and blood strains were obtained had the same viral biological phenotype. This study suggests that different HIV variants may be found in different body fluids and/or cells. (C) 1995 Wiley-Liss, Inc.
E-info
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