home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
The Arsenal Files 6
/
The Arsenal Files 6 (Arsenal Computer).ISO
/
health
/
med9605a.zip
/
M9650469.TXT
< prev
next >
Wrap
Text File
|
1996-03-09
|
3KB
|
44 lines
Document 0469
DOCN M9650469
TI Rapid culture and quantitation of human immunodeficiency virus type 1
from patient cells without the use of mitogen-stimulated donor cells.
DT 9605
AU Kim PK; He S; HO JL; Division of International Medicine, Cornell
University Medical; College, New York, New York 10021, USA.
SO Clin Diagn Lab Immunol. 1994 Nov;1(6):660-6. Unique Identifier :
AIDSLINE MED/96050887
AB We report the development of a rapid, sensitive virus culture method for
direct quantitation of human immunodeficiency virus (HIV) in peripheral
blood mononuclear cells (PBMCs). This new method involves culturing
10(7) PBMCs from HIV-seropositive persons in 10 ml of medium containing
phorbol 12-myristate 13-acetate and interleukin-2. Both agents stimulate
cell activation and hence viral replication. Cell-associated virus and
free virus are quantitated by a commercially available HIV p24 antigen
capture enzyme immunoassay. Detection of cell-associated p24 antigen by
flow cytometry was less sensitive than by the enzyme immunoassay. In
this preliminary study, HIV was detected in 20 of 23 HIV-seropositive
patients and in none of the 11 HIV seronegative low-risk individuals.
One HIV-seronegative person with Guillain-Barre syndrome following
high-risk activity was found to be rapid-HIV-culture positive. The
overall sensitivity and specificity were 87 and 100%, respectively. By
comparing the quantity of virus produced in infected cells with the
amount of virus produced in chronically infected U1 monocytes and ACH-2
lymphocytes stimulated with phorbol 12-myristate 13-acetate and
interleukin-2, the approximate number of infected cells per sample is
calculated. In the same patient specimens, quantitation of the number of
HIV infected cells by the HIV rapid-culture method correlated with the
results of the 21-day cell dilution coculture assay (correlation
coefficient r = 0.5; 95% confidence interval, 0.07 to 0.77). Advantages
of the rapid HIV culture include no requirement for donor PBMCs or
change of media, shortened culture time, and the ability to detect p24
viral antigen from cell-associated virus for quantitation of viral load.
DE Cell Count Cell Line/VIROLOGY Flow Cytometry Human HIV
Antigens/BIOSYNTHESIS HIV-1/*GROWTH & DEVELOPMENT/ISOLATION & PURIF
Mitogens/PHARMACOLOGY Monocytes/*VIROLOGY Sensitivity and Specificity
Support, Non-U.S. Gov't Support, U.S. Gov't, P.H.S. Time Factors
JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).