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1996-03-04
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Document 0732
DOCN M9640732
TI Adenosine deaminase isoenzyme levels in patients with human T-cell
lymphotropic virus type 1 and human immunodeficiency virus type 1
infections.
DT 9604
AU Tsuboi I; Sagawa K; Shichijo S; Yokoyama MM; Ou DW; Wiederhold MD;
Department of Immunology, Kurume University School of Medicine,; Japan.
SO Clin Diagn Lab Immunol. 1995 Sep;2(5):626-30. Unique Identifier :
AIDSLINE MED/96089403
AB In serum, the enzyme adenosine deaminase (ADA) is known to be divided
into two isoenzymes, ADA1 and ADA2, which have different molecular
weights and kinetic properties. The present study investigated ADA
isoenzyme levels in the sera of patients infected with retroviruses
associated with adult T-cell leukemia (ATL), human T-cell lymphotropic
virus type 1 (HTLV-1)-associated myelopathy (HAM), and AIDS, ADA
isoenzyme activities were found to be significantly (P < 0.001) higher
in the sera of patients with ATL, HAM, and AIDS than in the sera of
healthy controls. In the case of the ADA subtypes in the sera of
patients with ATL, ADA1 activity was significantly (P < 0.001) elevated
in patients with the acute and lymphoma types of ATL compared with that
in patients with the chronic and smoldering types of ATL. ADA2 activity
was significantly elevated in the sera of patients with the acute,
lymphoma, and chronic types of ATL (P < 0.001) compared with that in
patients with smoldering ATL and HTLV-1 carriers. In the case of
patients with human immunodeficiency virus type 1 (HIV-1) infection,
ADA1 and ADA2 activities in the sera of patients with AIDS and HIV-1
antibody-positive individuals were significantly (P < 0.001) higher than
those in the sera of HIV-1 antibody-negative individuals. A significant
elevation in ADA2 activity was also seen in the sera of AIDS patients (P
< 0.01) compared with that in the sera of HIV-1 antibody-positive
individuals.(ABSTRACT TRUNCATED AT 250 WORDS)
DE Acquired Immunodeficiency Syndrome/BLOOD/*ENZYMOLOGY Adenosine
Deaminase/*BLOOD Adult Aged Aged, 80 and over Cell Line Enzyme
Activation Female Human HIV-1/ENZYMOLOGY HTLV-I
Infections/BLOOD/*ENZYMOLOGY Isoenzymes/*BLOOD Male Middle Age
Support, Non-U.S. Gov't T-Lymphocytes/ENZYMOLOGY/VIROLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).