ArticleGastroenterology and hepatology from bed to bench2024
Dynamic thiol/disulfide homeostasis and myeloperoxidase levels in Gilbert's syndrome with mild hyperbilirubinemia.
Article in Gastroenterology and hepatology from bed to bench, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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6 authors.
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Abstract
Aim: This study aimed to compare dynamic thiol/disulfide homeostasis and myeloperoxidase (MPO) levels in patients with Gilbert's syndrome (GS) and healthy controls. Background: Thiol/disulfide homeostasis and MPO levels are both associated with increased progression of atherosclerosis. Methods: The study included a total of 130 voluntary participants comprising 65 patients with GS and 65 healthy controls. These patients were selected randomly and dynamic thiol/disulfide homeostasis, MPO, complete blood count results, and biochemistry and lipid parameters were evaluated. Patients with known chronic diseases, medication usage, and acute infections were excluded from the study. Serum total thiol and native thiol levels were measured using the fully automated colorimetric method, while serum MPO levels were measured using the sandwich ELISA method. Results: We found that patients with GS had significantly higher total thiol (352.3±38.6 vs. 317.9±47.9, p<0.001) and native thiol (386.6±42.6 vs. 348.0±51.1, p<0.001) and significantly lower disulfide (15.7±4.0 vs. 17.3±4.0, p=0.022) and MPO (130.7 vs. 166.3, p=0.006). In patients with bilirubin of <1 mg/dL, total thiol and native thiol levels were lower and disulfide, disulfide/native thiol (DNT) and disulfide/total thiol (DTT) ratios, and MPO levels were higher. Patients with bilirubin of <1 mg/dL also had higher total cholesterol. Conclusion: In these patients with GS, the thiol/disulfide balance shifted towards thiols and proinflammatory MPO levels were lower. When bilirubin was <1 mg/dL, disulfide, DNT and DTT ratios, and MPO were higher. Bilirubin levels affected all parameters of thiol/disulfide homeostasis and MPO levels independently of other risk factors. In light of our results, we suggest that mild hyperbilirubinemia in cases of GS has an anti-inflammatory and antioxidant effect and may be protective against atherosclerosis.
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