Immunologic Research

, Volume 66, Issue 2, pp 299–304 | Cite as

Serum adenosine deaminase activity is increased in systemic lupus erythematosus patients and correlated with disease activity

Original Article

Abstract

Adenosine deaminase (ADA) has been found to be involved in autoimmune disease progression. To assess the potential application of serum ADA activity in diagnosing systemic lupus erythematosus (SLE) and evaluating SLE disease activity, we investigated the serum ADA activity of 120 SLE patients and 120 healthy controls in the present study. The results showed that serum ADA activity in SLE patients was significantly increased (median (IQR) = 14 (11–19) U/L) compared with that in healthy controls (median (IQR) = 8 (7–10) U/L). Based on a receiver operating characteristic curve analysis, the optimal cut-off value for using serum ADA activity to diagnose SLE patients was 10.5 U/L (specificity, 84.2%; sensitivity, 78.3%). The diagnostic performance of serum ADA activity for SLE patients was better than that of other conventional haematology markers. Moreover, serum ADA activity displayed an increasing trend with increasing SLE disease activity. Spearman’s correlation analysis showed that serum ADA activity was positively correlated with SLE disease activity. These findings suggest that serum ADA activity could be a diagnostic marker for SLE; moreover, measuring serum ADA activity may be helpful for evaluating and monitoring the disease activity of SLE patients.

Keywords

SLE ADA Diagnosis Disease activity 

Notes

Acknowledgements

This study was supported by the National Natural Science Foundation of China (no. 81572974).

Compliance with ethical standards

This project was approved by the Ethics Committee of the Tangdu Hospital, Fourth Military Medical University. Ethical approval was obtained from the Ethics Committee of Tangdu Hospital, Fourth Military Medical University (TDLL-20151209), and informed consent was not required.

Conflict of interests

The authors declare that they have no conflict of interest.

Supplementary material

12026_2018_8984_MOESM1_ESM.xlsx (20 kb)
ESM 1 (XLSX 20 kb)

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© Springer Science+Business Media, LLC, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Department of Clinical DiagnosisTangdu Hospital, Fourth Military Medical UniversityXi’anChina

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