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M9480542.TXT
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1994-08-20
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Document 0542
DOCN M9480542
TI Serum and cerebrospinal fluid levels of soluble intercellular adhesion
molecule 1 (sICAM-1) in patients with HIV-1 associated neurological
diseases.
DT 9410
AU Heidenreich F; Arendt G; Jander S; Jablonowski H; Stoll G; Department of
Neurology, Heinrich-Heine Universitat,; Dusseldorf, Germany.
SO J Neuroimmunol. 1994 Jul;52(2):117-26. Unique Identifier : AIDSLINE
MED/94308290
AB We measured levels of soluble intercellular adhesion molecule 1
(sICAM-1) in paired serum and CSF samples of 110 HIV-1-positive patients
with and without neurological symptoms and 40 HIV-negative non-immune
neurological controls, and in sera of 26 asymptomatic HIV-1-positive
patients. Serum sICAM-1 levels in asymptomatic HIV-1-positive patients
were significantly increased in comparison to HIV-negative controls.
Moreover, they were significantly higher in HIV-1-positive patients with
AIDS-defining diseases than in the asymptomatic HIV-1-positive group. In
subgroups of patients with neurological disease, the highest serum
values were found in HIV encephalopathy. CSF levels of sICAM-1 were
elevated only in HIV-1-positive patients with neurological disease
mainly due to passive diffusion through a defective blood-brain barrier.
An sICAM-1 index was calculated as a measure for intrathecal production
of sICAM-1 but showed no significant differences between patients with
and without neurological involvement. However, increased levels of the
sICAM-1 index were found in some patients with opportunistic CNS
infection of bacterial or fungal origin. Serum and CSF levels of sICAM-1
correlated with neopterin levels, a marker of interferon-gamma-mediated
macrophage activation and CSF sICAM-1 levels were inversely correlated
to numbers of CD4+ T cells. Elevated serum sICAM-1 levels already in
asymptomatic HIV-1-positive individuals add to the evidence for an early
immune activation in HIV infection. With the further increase of serum
and CSF s-ICAM-1 in patients with AIDS-defining diseases sICAM-1 could
serve as a new surrogate marker similar to neopterin.
DE Acquired Immunodeficiency Syndrome/BLOOD/CEREBROSPINAL FLUID/
*COMPLICATIONS Antigens, CD/BLOOD/CEREBROSPINAL FLUID AIDS Dementia
Complex/BLOOD/CEREBROSPINAL FLUID AIDS-Related Opportunistic
Infections/BLOOD/CEREBROSPINAL FLUID Cell Adhesion
Molecules/*BLOOD/*CEREBROSPINAL FLUID Comparative Study Human Nervous
System Diseases/*ETIOLOGY/*METABOLISM Solubility Support, Non-U.S.
Gov't JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).