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Clinical Chemistry and Laboratory Medicine (CCLM)

Published in Association with the European Federation of Clinical Chemistry and Laboratory Medicine (EFLM)

Editor-in-Chief: Plebani, Mario

Ed. by Gillery, Philippe / Lackner, Karl J. / Lippi, Giuseppe / Melichar, Bohuslav / Payne, Deborah A. / Schlattmann, Peter / Tate, Jillian R.

12 Issues per year

IMPACT FACTOR 2016: 3.432

CiteScore 2016: 2.21

SCImago Journal Rank (SJR) 2016: 1.000
Source Normalized Impact per Paper (SNIP) 2016: 1.112

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Volume 40, Issue 5


Serum Adenosine Deaminase and Cytidine Deaminase Activities in Patients with Systemic Lupus Erythematosus

Seyithan Taysi / M. Fevzi Polat / Refik Ali Sari / Ebubekir Bakan
Published Online: 2005-06-01 | DOI: https://doi.org/10.1515/CCLM.2002.085


We evaluated serum total adenosine deaminase, its isoenzymes adenosine deaminase-1 and adenosine deaminase-2, and cytidine deaminase activities in 24 patients with active systemic lupus erythematosus, and in 26 healthy control subjects, and found the means±SD values to be 21.38±5.96 IU/l, 3.74±2.12 IU/l, 17.72±5.02 IU/l and 17.89±4.62 IU/l, respectively in the patients, and 14.97±4.71 IU/l, 4.01±1.35 IU/l, 10.91±3.91 IU/l and 7.39±3.97 IU/l, respectively in the control subjects. When compared to the healthy controls, serum total adenosine deaminase, adenosine deaminase-2 and cytidine deaminase levels were significantly higher (p<0.001) in systemic lupus erythematosus patients, but the decrease of adenosine deaminase-1 level was not statistically significant (p>0.05). The increased adenosine deaminase-2 may be of macrophage origin. It closely correlated with clinical signs of active systemic lupus erythematosus. The membranes of polymorphonuclear neutrophils may be damaged, and cytidine deaminase may be released into serum. In conclusion, serum total adenosine deaminase, adenosine deaminase-2 and cytidine deaminase activities may serve as useful indicators for evaluating disease activity in patients with active systemic lupus erythematosus.

About the article

Published Online: 2005-06-01

Published in Print: 2002-06-06

Citation Information: Clinical Chemistry and Laboratory Medicine, Volume 40, Issue 5, Pages 493–495, ISSN (Print) 1434-6621, DOI: https://doi.org/10.1515/CCLM.2002.085.

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