Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: EC:3.5.4.4 (adenosine deaminase)
5,136 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

The activity of adenosine deaminase (ADA) was determined in serum and synovial fluid of 98 patients with joint effusions of various causes. Compared with osteoarthritis, there were significantly higher mean synovial fluid ADA activities in seropositive rheumatoid arthritis (p less than 0.01), chronic seronegative polyarthritis (p less than 0.001), juvenile chronic arthritis (p less than 0.001) and reactive arthritis (p less than 0.001). In inflammatory joint diseases higher mean ADA activities in synovial fluid than in serum were observed, indicating a local release of ADA by cells within the joints. ADA activity in synovial fluid correlated with general disease activity as measured by haemoglobin concentration and erythrocyte sedimentation rate, and may provide an additional measure of the degree of inflammation in joint diseases.
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PMID:Adenosine deaminase activity in joint effusions. 321 7