Kömür madeni işçileri serum adenozin deaminaz, ksantin oksidaz aktiviteleri ve ürik düzeyinin değerlendirilmesi

Bu çalışma kömür madeni işçileri serum adenozin deaminaz (ADA), ksantin oksidaz (XO) aktiviteleri ve ürik asit düzeylerini araştırmak üzere planlandı. T lenfositlerin fonksiyonu ve matürasyonuna katkıda bulunan ADA, hücresel immuni-tenin bir göstergesi olarak kabul edilmektedir. ADA aynı zamanda inflamatuar cevap ve sitokin üretimi ile ilişkili olan adenozinin plazma seviyesini düzenler. XO, ADA ile birlikte pürin metabolizması enzimidir ve ürik asit oluşumu reaksiyonunu katalizlemektedir. Mesleksel kömür madeni tozuna maruz kalma pnömokonyoz, bronşit, amfizem ve silikozis gibi bir çok akciğer hastalığına neden olmaktadır. Maden işçisi akciğer has-talıklarının patogenezi ile ilgili önemli faktörlerden birisi de kömür tozunun hücresel ve humoral immun sistemi etkilemesidir. Bu çalışmada kömür madeninde çalışan 51 erkek çalışma grubu ve kömür madeninde çalışmayan 51 erkek kontrol grubu olarak alındı. Her iki gruptan alınan kan örneklerinden ADA, XO aktiviteleri ve ürik asit düzeyleri çalışıldı. İşçi grubu serum ADA ve XO aktivitesi ve ürik asit düzeyi kontrol grubundan anlamlı derecede düşük bulundu (p

Evaluation of serum adenosine deaminase, xanthine oxidase activities and uric acid levels in coal miners

This study was planned in order to investigate serum adenosine deaminase (ADA) and xanthine oxidase activities and uric acid levels in coal miners. ADA contributes to maturation and functions of T-lymphocytes and is accepted as an indicator of cellular immunity. Besides, ADA regulates plasma level of adenosine, which is related with inflammatory response and cytokine produc-tion. XO, like ADA, is an enzyme of purine metabolism, and catalyzes reaction for uric acid formation. Occupational exposure to coal dust is the cause of pneumoconiosis, bronchitis, emphysema, silicosis and many other respiratory diseases. One of the most important factors related with pathogenesis of respiratory diseases in coal miners is that coal dust effects both cellular and humoral immune systems. In this study, 51 male coal miners were taken as study group and 51 males not working in coal mines were taken as control group. Serum ADA, XO activities and uric acid levels were studied in blood samples of both groups. Serum ADA and XO activities and uric acid levels were found to be significantly lower than the control group (p<O.OOl, p<0.05, p<0.01, respectively). As a result, coal miners are under risk of immune deficiency due to decrease in ADA enzymatic activity. Evaluation of plasma ADA activities of coal miners periodically can be beneficial for evaluation of immune system functions and risk of development of respiratory diseases.

Kaynakça

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