Dursun, Ali Doğan

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Citation - WoS: 11
Citation - Scopus: 13
Protective Effects of Hydrogen Rich Saline Solution in Rats With Experimental Myocardial Ischemia Reperfusion Injury
(Cell Press, 2023) Koksal, Zeynep; Kurtipek, Omer; Arslan, Mustafa; Dursun, Ali Dogan; Yigman, Zeynep; Ozer, Abdullah
Aim: The aim of our study is to show whether the administration of hydrogen-rich saline solution (HRSS) intraperitoneally before left main coronary artery (LAD) ischemia protects the myocardium against ischemia-reperfusion (IR) injury.Materials and methods: After ethics committee approval, 24 Wistar Albino rats were divided into 4 groups, 6 rats in each group. For experimental IR, myocardial ischemia was performed by LAD ligation. Left thoracotomy was performed without ischemia in the Control group (Group C). Left thoracotomy was performed without myocardial ischemia to the rats in the HRSS group, and HRSS was given intraperitoneally (ip) at a rate of 10 ml/kg throughout the procedure. In the MIRHRSS group, a single dose of 10 ml/kg HRSS was administered 5 min before reperfusion. Histopathological and biochemical parameters were compared in myocardial tissue samples taken at the end of the reperfusion period.Results: When the groups were compared among themselves in terms of TOS and TAS levels, there was a significant difference between the groups (p = 0.006, p = 0.002). The severity of cardiomyocyte degeneration was significantly greater in MIR group than that in the control and HRSS groups (p = 0.002 and p = 0.001, respectively), as well as severity score of cardiomyocyte degeneration was higher in MIR-HRSS group compared with HRSS group (p = 0.035).Conclusion: Our study shows that HRSS is protective in IR injury, with the application of HRSS 5 min before reperfusion, interstitial edema severity, subendocardial haemorrhage are reduced, and oxidant status parameters are increased, while antioxidant status parameters are decreased. We believe that when it is supported by other studies, the protective effects of HRSS on IR damage will be shown in detail and its indications will be expanded.
Effects of Pregabalin on Kidney Tissue in Spinal Cord Ischemia Reperfusion Injured Rats
(Gazi Univ, Fac Med, 2021) Ceran, Emine Unal; Inan, Nurten; Kucuk, Aysegul; Ozer, Abdullah; Dursun, Ali Dogan; Tosun, Murat; Arslan, Mustafa
Objectives: The purpose of this study was to investigate the possible protective effects of low and high dose pregabalin that was administered in rat in a spinal cord ischemia-reperfusion (I/R) study model. Material and Method: We used 24 Wistar albino rats as subjects in our study. They were divided into 4 groups; randomized Control (C group), I/R (I/R group), I/R-low dose (30 mg/kg) pregabalin (I/R-LP group) and I/R-high dose (200 mg/kg) pregabalin (I/R-HP group). All groups have undergone a laparotomy intervention under anesthesia. In I/R group, a cross clamp was placed in the abdominal aorta just after the laparotomy for 120 minutes (to cause spinal cord ischemia injury) and then reperfusion was achieved by opening the vascular clamp. At the end of the study, kidney tissue was obtained for determining total oxidant status (TOS) and total antioxidant status (TAS) levels, histochemical and immunohistochemical determination. Results: Total Oxidative Status (TOS) enzyme activity was significantly higher in I/R group when compared to the control, I/R-LP and I/R-HP groups. Likewise, Total Antioxidant Status (TAS) enzyme activity was remarkably higher in I/R group when compared with the C, I/R-LP and I/R-HP groups. VEGF staining has yielded no expression in renal tissues. In microscopical analysis of the tissue slides which were immunohistochemically stained with p53 antibody, some crucial findings have been established as follows: As p53-expressing cells were not detected in the control group, the presence of p53-expressing cells were clearly identified at different intensities in several bowman capsules in the I/R group. However, no expression was detected in general tubules. Interestingly, p53 expression levels were prominently lower in low-dose pregabalin given group and considerably higher in the 200 mg/kg pregabalin administered group, which was more pronounced than the I/R group. Conclusion: Results established from the current study suggest that pregabalin given at different doses may have a partial protective effect in kidney tissues of rats undergone experimental spinal cord IR injury.

Journal	Count
International Journal of General Medicine	4
Drug Design, Development and Therapy	3
Medicina	3
Sakarya Tıp Dergisi	2
Journal of Updates in Cardiovascular Medicine	2

Dursun, Ali Doğan

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71

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