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The aim of the study reported here was to evaluate the biochemical and histopathologic effects of omeprazole and vitamin E in rats with corrosive esophageal burns. A total of 144 Wistar Albino rats were divided into 12 experimental groups (12 rats per group) and used in an animal study. Group I rats were given a laparotomy and received no treatment (control group), while groups II, III and IV received a laparotomy and were treated with omeprazole, vitamin E or omeprazole/vitamin E, respectively. Groups V-XII rats received a laparotomy and were given a caustic acid burn through acid instillation (1 ml caustic 10% sulphuric acid; groups V-VIII) or alkali instillation (corrosive 10% sodium hydroxide solution; groups IX-XII) into the isolated esophageal segment via a 22-Fr cannula for 2 min. Each group of rats subjected to caustic burn received either no treatment (groups V and IX) or were treated with omeprazole, vitamin E or omeprazole/vitamin E, respectively (remaining six groups). Omeprazole (20 mg/kg) or vitamin E (10 mg/kg) was administered to the rats intraperitoneally or intramuscularly, respectively. Seventy-two rats (50% of each group, n = 6) were killed immediately after the experimental treatment (acute phase). The remaining rats were kept under standard conditions for 21 days (late phase) before being killed. The distal esophageal segments were harvested from all animal and used in histopathologic and biochemical analyses. Compared to the controls (no caustic burn), rats receiving only the acid or alkali installation (and no subsequent treatment) had the highest mean malondialdehyde (16.9 and 15.8 micromol MDA/g protein, respectively) and hydroxyproline (5.9 and 5.7; mg HP/g wet tissue) levels of all groups. In comparison, rats treated with acid + omeprazole and/or vitamin E had relatively lower MDA (12.9 and 11.6 micromol/g protein, respectively) and HP levels (4.3 and 4.08 mg/g wet tissue, respectively). Similarly, rats treated with alkali + omeprazole and/or vitamin E had low levels of MDA (13.9 and 11.7 micromol/g protein, respectively) and HP (4.3 and 4.4 mg/g wet tissue, respectively). The glutathione (GSH) levels of acid-only- or alkali-only-treated rats were lower than those found in omeprazole- and/or vitamin E-treated rats. Based on these results, we conclude that vitamin E and omeprazole affect the biochemical and histopathologic parameters in rats receiving corrosive esophageal burn from acid and alkali. The effect of both substances was slightly greater in the acid-treated groups.
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http://dx.doi.org/10.1007/s00383-008-2126-8 | DOI Listing |
Biomed Res Int
November 2024
Department of Pharmacy, College of Health Sciences, Debre Tabor University, PO Box 272, Debre Tabor, Ethiopia.
About 80% of pregnant women use at least one medication during their pregnancy period. Many drugs that are not allowed to be used during pregnancy (from FDA Pregnancy Categories D and X) were used. Irrational use of these drugs during pregnancy may result in different birth defects, as explained by thalidomide and diethylstilbestrol's tragedy.
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Corewell Health Research Institute, Corewell Health East, 3811 W 13 mile Road, Royal Oak, MI, 48073, USA.
Antioxidants (Basel)
August 2024
Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, 98166 Messina, Italy.
Life (Basel)
August 2024
Faculty of Health Science, San Jorge University, 50830 Villanueva de Gállego, Spain.
Achieving clinical effectiveness with vitamin K antagonists (VKAs) requires a Time in Therapeutic Range (TTR) above 65%. TTR is influenced by genetics (CYP2C9, VKORC1, CYP4F2), treatment adherence, and knowledge. The SAMe-TT2R2 algorithm is used to assess VKA treatment suitability.
View Article and Find Full Text PDFJ Mol Histol
October 2024
Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran.
Gastric ulcers are a common gastrointestinal disorder associated with significant morbidity and mortality. It can also increase the risk of gastric cancer. This study aimed to investigate the effect of benfotiamine on experimentally-induced gastric ulcers in male rats.
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