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M9490506.TXT
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1994-09-24
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Document 0506
DOCN M9490506
TI Elevated serum levels of a 90,000 daltons tumor-associated antigen in
cancer and in infection by human immunodeficiency virus (HIV).
DT 9411
AU Natoli C; Ortona L; Tamburrini E; Tinari N; Di Stefano P; D'Egidio M;
Ghinelli F; Sighinolfi L; D'Ostilio N; Piazza M; et al; Chair of Medical
Oncology, University G. D'Annunzio Medical; School, Chieti, Italy.
SO Anticancer Res. 1994 May-Jun;14(3B):1457-60. Unique Identifier :
AIDSLINE MED/94346788
AB Levels of a 90,000 daltons monoclonal antibody-defined tumor-associated
antigen, termed 90K, were measured in the serum from 649 patients with
various types of cancer and 1215 patients infected by the human
immunodeficiency virus (HIV). Significantly increased 90K serum levels
(12.1 +/- 0.5 U/ml) were found in cancer patients with respect to
healthy controls (5.7 +/- 0.3 U/ml), with the highest levels in
neoplasms of the breast, lung and gastrointestinal tract. In 355
patients with breast cancer, the elevation of serum 90K levels was more
pronounced at advanced stages of disease. Mean levels of 90K for 1215
HIV-infected subjects (21.2 +/- 0.8 U/ml) were significantly higher than
controls and cancer patients, and the levels progressively increased
with disease worsening from asymptomatic infection to full blown AIDS.
These data suggest that 90K is not merely a tumor-associated antigen and
lead us to postulate it to be a signalling molecule whose production
might be related to the immune deficit caused by pathogenetic events
such as neoplastic progression and virus infection.
DE Antigens, Neoplasm/*BLOOD Female Human HIV Infections/*BLOOD Male
Molecular Weight Neoplasms/*BLOOD Prospective Studies Support,
Non-U.S. Gov't JOURNAL ARTICLE MULTICENTER STUDY
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).