Search

Objective: Ischemic/reperfusion (I/R) causes tissue injury and the leading cause of acute kidney injury. In this study, we aimed to investigate the effects of the long and short-term usage of ALA and short-term DHLA on oxidative stress markers in the experimental renal ischemia-reperfusion model. Methods: Forty male rats (250 to 300 gr) were divided into 5 groups: control; I/R group; long-term ALA+IR group; short-term ALA+IR group; and short-term DHLA+IR group. Ischemia was carried out for 45 minutes followed by reperfusion for 4 hours. Thiobarbituric acid reactive sunstances (TBARM), catalase (CAT), superoxide dismutase (SOD), and glutathione peroxidase (GSH-Px) activities in tissue samples and serum total antioxidant status (TAS) and total oxidative stress (TOS) assayed by the spectrophotometrically. Tissue samples were investigated by histopathological analyzes. Results: TBARM (Control: 0.38±0.05. I/R: 1.37±0.17, long-term ALA-treated group:1.025±0.15, short-term ALA-treated group: 0.68±0.09, short-term DHLA-treated group: 0.38±0.04 (nmol/mg protein); p

A probiotic product of kefir is widely consumed by human beings. The purpose of this research was to investigate the eff ects of kefir on blood parameters and intestinal flora in rats. A total of 24 female rats were used in this study. During 35 days of experimental period, rats were fed with a commercial diet and water was provided ad libitum. Kefir was given at the levels of 10 mL/kg, 20 mL/kg and 30 mL/kg with oral gavage to the first, second and third treatment groups, respectively. Kefir was not given to the control group. The number of yeast was found to be 1.65x107 and the number of lactobacilli was found to be 4x108 in kefir. At the end of the experiment, blood samples were taken from all rats. Blood plasma parameters and were investigated. The intestinal microfl ora was investigated by classical colony counting method. No diff erences were observed among the groups in total protein, albumin, uric acids, SGPT, SGOT, alkaline phosphatase and phosphorus in blood plasma. The plasma triglyceride and cholesterol levels in the second and third groups were lower than control group (P

BACKGROUND: Spinal cord injury (SCI) is one of the most devastating conditions leading to neurological impairment and disabilities. The aim of the study was to investigate the potential neuroprotective effect of thymoquinone (TQ) histopathologically in an experimental model of traumatic spinal cord injury (SCI). METHODS: Twenty-four male Wistar albino rats were randomly divided into 4 groups: control group; SCI group; SCI-induced and 10 mg/kg/day TQ administered group; SCI-induced and 30 mg/kg/day TQ administered group. TQ was given as intraperitoneal for three days prior to injury and four days following injury. Spinal cord segment between T8 and T10 were taken for histopathologic examination. Hemorrhage, spongiosis and liquefactive necrosis were analyzed semiquantatively for histopathological changes. RESULTS: Administration of TQ at a dose of 10 mg/kg did not cause any significant change on the histological features of neuronal degeneration as compared to the SCI group (p=0.269); however, 30 mg/kg TQ significantly decreased the histological features of spinal cord damage below that of the SCI group (p=0.011). CONCLUSION: Data from this study suggest that TQ supplementation attenuates trauma induced spinal cord damage. Thus, TQ needs to be taken into consideration, for it may have a neuroprotective effect in trauma induced spinal cord damage