home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Collection of Education
/
collectionofeducationcarat1997.iso
/
HEALTH
/
MED9602.ZIP
/
M9620033.TXT
< prev
next >
Wrap
Text File
|
1996-02-26
|
3KB
|
48 lines
Document 0033
DOCN M9620033
TI Immunocytochemical quantitation of human immunodeficiency virus in the
brain: correlations with dementia.
DT 9602
AU Glass JD; Fedor H; Wesselingh SL; McArthur JC; Department of Neurology,
Johns Hopkins University, Baltimore, MD,; USA.
SO Ann Neurol. 1995 Nov;38(5):755-62. Unique Identifier : AIDSLINE
MED/96074187
AB The pathogenesis of human immunodeficiency virus (HIV)-associated
dementia is unclear, and the underlying pathological substrate has been
a matter of debate. In a prospectively clinically characterized
population of acquired immunodeficiency syndrome (AIDS) patients we
investigated the relationship between the clinical syndrome of
HIV-associated dementia and the presence and relative quantity of
immunocytochemical markers for HIV-1 (gp41 antibody), and for
macrophages and microglia (HAM-56 antibody). Sections from the basal
ganglia and frontal lobes from the brains of 51 patients were studied,
and the data were stratified for severity of dementia (16 nondemented,
12 mildly demented, 23 severely demented), rate of dementia progression,
duration of AIDS, use of antiretrovirals, and several other demographic
features. We found a highly significant correlation between the degree
of macrophage staining and the severity of dementia but only a
borderline correlation between the presence and amount of gp41-positive
cells and dementia. Several nondemented patients showed abundant gp41
immunoreactivity, and some severely demented showed little to no gp41
immunoreactivity. Other correlations with the immunostaining data,
including antiretroviral use, were not significant. We conclude that the
presence of macrophages and microglia is a better correlate with
HIV-associated dementia than is the presence and amount of HIV-infected
cells in the brain. These data support the concept that the pathogenesis
of HIV-associated dementia is likely due to indirect effects of HIV
infection of the brain, possibly through the actions of macrophages and
microglia.
DE Adult Analysis of Variance Antibodies/ANALYSIS AIDS Dementia
Complex/DRUG THERAPY/MORTALITY/*VIROLOGY Basal
Ganglia/PATHOLOGY/VIROLOGY Brain/IMMUNOLOGY/PATHOLOGY/*VIROLOGY Female
Frontal Lobe/PATHOLOGY/VIROLOGY Human HIV Envelope Protein
gp41/*ANALYSIS HIV-1/*ISOLATION & PURIF Immunohistochemistry
Macrophages/PATHOLOGY Male Microglia/PATHOLOGY Middle Age
Prospective Studies RNA, Messenger/ANALYSIS Support, Non-U.S. Gov't
Support, U.S. Gov't, P.H.S. Survival Analysis Tumor Necrosis
Factor/ANALYSIS Zidovudine/THERAPEUTIC USE JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).