Search

Emine Turkmen Samdanci,1 Mustafa Huz,1 Onural Ozhan,2 Kevser Tanbek,3 Esra Pamukcu,4 Ayse Nur Akatli,1 Hakan Parlakpinar21Department of Pathology, Inonu University School of Medicine, Malatya, Turkey; 2Department of Pharmacology, Inonu University School of Medicine, Malatya, Turkey; 3Department of Physiology, Inonu University School of Medicine, Malatya, Turkey; 4Department of Statistics, Firat University Faculty of Science, Elaziğ, TurkeyIntroduction and aim: Methotrexate (Mtx) is an antineoplastic and immunosuppressive drug that may cause hepatotoxicity, whereas molsidomine (Mol) is a vasodilating and antioxidant agent. This study aimed to investigate the potential protective effects of Mol in Mtx-induced liver toxicity in rats.Materials and methods: Forty Wistar albino rats were equally divided into five groups: control, Mol, Mtx, Mol–Mtx, and Mtx–Mol. Following treatment, the animals were sacrificed, and liver tissue samples were histopathologically evaluated using Roening grading and Bcl-2 antibody staining. Tissue oxidants, antioxidants, and serum transaminases were measured and statistically compared across all groups.Results: No hepatic fibrosis or steatosis was observed in any of the groups. In the Mtx group, grade 2 liver injury and score 2 Bcl-2 antibody staining were observed; however, in the Mol–Mtx group, these were lower (grade 1, score 1). There were no statistically significant differences in serum transaminase levels among groups. Malondialdehyde levels were higher in all rats that received Mtx, but no differences in myeloperoxidase levels were observed among the groups. Levels of tissue antioxidants, including superoxide dismutase, glutathione (GSH) peroxidase (GSH-Px), and reduced GSH, were significantly higher in the Mol-treated and Mol pre-treated groups. Catalase (CAT) levels were elevated in all Mol-treated groups, but only in that group were CAT levels statistically significantly higher than in the control group.Conclusion: Our results suggest that some oxidant levels could increase following Mtx administration in the liver, possibly contributing to liver damage, whereas Mol could mitigate the histopathological and biochemical effects of hepatotoxicity. However, molecular studies are required to understand the exact mechanisms of these alterations.Keywords: methotrexate, molsidomine, hepatotoxicity, hepatic fibrosis

Objectives: The aim of this study was to evaluate the histopathological, functional, and bone densitometric effects of sildenafil on nerve regeneration in a rat model of peripheral nerve crush injury. Methods: The study included a total of 30 adult Sprague-Dawley rats that were divided into three[for full text, please go to the a.m. URL], Deutscher Kongress für Orthopädie und Unfallchirurgie (DKOU 2015)

The aim of the present study was to investigate the protective effect of dexpanthenol (Dexp) against cisplatin (Cis)-induced hepatotoxicity. Thirty-two Sprague Dawley rats were divided into four groups: Control group (n=8), Dexp group (n=8, 500 mg/kg/ip/daily single dose/3 days Dexp), Cis group (n=8, 7 mg/kg/ip/single dose Cis) and Cis+Dexp group (n=8, 500 mg/kg/ip/daily single dose/3 days Dexp +7 mg/kg/ip/single dose Cis). MDA, CAT, GSH, GSH-Px, TOS, TAS, OSI, Total Nitrit, IL-1ß, IL-6 and TNF-? levels were analyzed in liver tissue samples. After paraffinization of liver tissue samples, histopathological (congestion, loss of glycogen, number of Kupffer cells) and immunohistochemical (caspase-3 expression) parameters were assessed on the paraffinized liver sections. GSH, TAS, TOS, OSI, Tot Nit, L-Arginine, ADMA and SDMA levels were measured in the serum samples. Statistically significant differences were found between the groups in terms of all liver tissue biochemical parameters, with the exception of IL-1ß and TNF-? levels. GSH, CAT, GSH-Px, TAS and Tot Nit levels were significantly higher in the Cis+Dexp group compared to the Cis group, whereas MDA, TOS, OSI and IL-6 levels were higher in the Cis group. Similarly, serum GSH, TAS, Tot Nit levels were higher in the Cis+Dexp group whereas TOS, L-Arginine, ADMA and SDMA levels were higher in Cis group. There were statistically significant differences between Control and Cis groups in terms of congestion increase, increase of glycogen loss, increase of Kupffer cell number and increase of caspase-3 expression (P, Firat University Scientific Research Projects Management Unit Firat University Scientific Research Projects Management Unit, University Faculty of Medicine Animal Research Ethics Committee (2016/A-36). It was funded by Inonu University Scientific Research Project Coordination Unit (Project no. 2016/179)., The present study was supported by the Inonu University Scientific Research Project Coordination Unit (grant no. 2016/179).