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1996-02-26
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Document 0847
DOCN M9620847
TI The 90K tumor-associated antigen and clinical progression in human
immunodeficiency virus infection.
DT 9602
AU Iacobelli S; Ullrich A; Tinari N; Ortona L; Tamburrini E; D'Egidio M;
Ghinelli F; Sighinolfi L; Piazza M; Chirianni A; et al; University G.
D'Annunzio Medical School, Chieti, Italy.
SO J Acquir Immune Defic Syndr Hum Retrovirol. 1995 Dec 1;10(4):450-6.
Unique Identifier : AIDSLINE MED/96074278
AB We investigated the possibility that a secreted glycoprotein of
approximately 90,000 daltons, termed 90K and identified as a member of
the protein superfamily characterized by the scavenger receptor
cysteine-rich (SRCR) domain, might have value as a predictor of
progression to acquired immunodeficiency syndrome (AIDS) in subjects
infected with the human immunodeficiency virus (HIV). Among 488
HIV-seropositive intravenous drug users with a median follow-up of 32.5
months, high levels of serum 90K at baseline proved to be a significant
predictor of faster progression to AIDS, either as a continuous variable
(log 90K; p < 0.0001) or as a dichotomous variable with an optimized
cutoff point of 30 U/ml (p < 0.00001). Analysis of 90K in relation to
known prognostic factors found an association with CD4 count, beta
2-microglobulin, and p24 antigen but none with neopterin. In
multivariate analysis, the baseline 90K level was an independent
predictor of AIDS. As compared with subjects with low levels of 90K, the
relative risk of developing AIDS was 3.5 (95% CI 1.9-6.5) among those
with high levels of 90K. The predictive value of 90K was maintained
after stratification by baseline CD4 count: among subjects with > or =
500 x 10(6)/L CD4 cells, the proportion in whom AIDS developed was 10.5%
for those with 90K levels < or = 30 U/ml as compared with 20% for those
with 90K above the cutoff point (p = 0.006). Serum 90K is an independent
predictor of the risk for progression to AIDS in HIV-infected subjects,
including those whose CD4 counts have not fallen.
DE beta 2-Microglobulin/ANALYSIS Acquired Immunodeficiency
Syndrome/DIAGNOSIS/PHYSIOPATHOLOGY Adolescence Adult Antigens,
Neoplasm/*BLOOD Biological Markers Biopterin/ANALOGS &
DERIVATIVES/BLOOD CD4 Lymphocyte Count Disease Progression Female
Human HIV Core Protein p24/BLOOD HIV
Seropositivity/*BLOOD/PHYSIOPATHOLOGY Immunoradiometric Assay Male
Middle Age Multivariate Analysis Prognosis Prospective Studies
Substance Abuse, Intravenous/*BLOOD/PHYSIOPATHOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).