Resistin is a recently described adipokine which is a member of cysteine-rich secretory protein family. Although it has been primarily defined in human adipocytes, it has been identified that its level was higher in mononuclear leukocytes, macrophages, spleen, and bone marrow cells. Because ankylosing spondylitis is an inflammatory disease, it is suspected that upregulation of proinflammatory cytokines is effective in its immunopathogenesis. The aim of our study is to determine the serum resistin levels in patients with AS and to research the relationship with disease activity markers. A total of 30 patients with AS and 30 healthy controls were included in this study. Serum resistin concentrations, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), Bath AS Disease Activity Index (BASDAI) were evaluated. In results resistin levels in ankylosing spondylitis group were significantly higher than in control group. But, there was no correlation between resistin and ESR, CRP, BASDAI. In conclusion, higher serum resistin levels in patients with AS compared to healthy subjects give clues that resistin could have a role in the pathogenesis of AS.
The erdosteine and α-tocoferol significantly reversed the effect of protein oxidation and lipid peroxidation induced by I/R shown by the decreased levels of MDA and XO activities. Both MDA and XO levels were found to be lower in group 6 compared to single agent treatment groups, and this was significantly different. All treatment groups showed increased SOD activity, which accounts for their oxidative properties. The mean Paller score of the combination treatment group (group 6) was lower than all groups except the sham group (3.67 ± 1.2), and this finding was statistically significant (0.05). Our results showed that the antioxidant pretreatment with α-tocopherol and erdosteine combination reduced lipid peroxidation of renal cellular membranes in a model of normothermic renal ischemia-reperfusion in rats. Combination of erdosteine and α-tocopherol has a synergistic effect of protection against oxidative processes. Long-term use of α-tocopherol seems to have a greater effect on the prevention of IR injury. However, further investigations are needed for the clinical applications of our findings.
The results suggest that the systemic use of aprotinin in ischemic neural tissue prevents reperfusion injury and also protects the morphologic, functional, and biochemical integrity of the neural tissue.
Aim:This study was designed to compare the fasting ghrelin, leptin and resistin levels between metabolic syndrome (MS) patients with healthy controls. Method:This trial was performed on 21 patients with MS (7 men; mean age, 44±4 years) and 17 healthy controls (8 men; mean age, 43±3 years). Diagnosis of MS was defined based on National Cholesterol Education Program (NCEP) Adult Treatment Panel (ATP) III criteria. Patients meeting at least 3 of the MS criteria, with a body mass index (BMI) ≥30 kg/m² were included in the MS group. Among healthy volunteers, those with a BMI<30 kg/m² were selected as the control group. Plasma ghrelin, serum leptin and resistin concentrations were measured by ELISA method. Result: Ghrelin levels were similar between MS and control groups.There was a negative correlation detected between ghrelin levels with BMI and leptin levels (r=-.54, P=.01 and r=-.56, P=.009, respectively). Resistin levels were found similar between MS with control groups. Leptin levels were significantly higher at the MS group than control group (35±17 ng/ml vs. 14±8 ng/ml, P=.001). Leptin levels had a positive correlation with BMI (r=.56; P=.008). Conclusion:We have demonstrated that leptin levels in MS group were higher than control group. However, ghrelin and resistin levels were similar to control group. In addition, we have showed leptin levels has a positive correlation with BMI and a negative correlation with ghrelin levels.
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