Apoptotic and proliferative activity of mouse gastric mucosa following oral administration of fumonisin B1 | ||
| Iranian Journal of Basic Medical Sciences | ||
| مقاله 3، دوره 18، شماره 1، فروردین 2015، صفحه 8-13 اصل مقاله (1.68 M) | ||
| نوع مقاله: Original Article | ||
| شناسه دیجیتال (DOI): 10.22038/ijbms.2015.3880 | ||
| نویسندگان | ||
| Ali Mohammad Alizadeh* 1؛ Fahimeh Mohammadghasemi2؛ Kazem Zendehdel3؛ Zahra Kamyabi-moghaddam4؛ Abbas Tavassoli4؛ Fatemeh Amini najafi4؛ Alireza Khosravi5 | ||
| 11 Cancer Research Center, Tehran University of Medical Sciences, Tehran, Iran 2 Cancer Model Research Center, Tehran University of Medical Sciences, Tehran, Iran | ||
| 2Cellular and Molecular Research Center, Faculty of Medicine, Guilan University of Medical Sciences, Rasht, Iran | ||
| 3Cancer Research Center, Tehran University of Medical Sciences, Tehran, Iran | ||
| 4Department of Pathology, Faculty of Veterinary Medicine, Tehran University, Tehran, Iran | ||
| 5Medical Parasitology and Mycology Department, School of Medicine, Tehran University, Tehran, Iran | ||
| چکیده | ||
| Objective(s):Fumonisins are a group of toxic and carcinogenic mycotoxins, which contaminate the grains and their products. The aim of this study was to examine the apoptotic and proliferative activity of mouse gastric mucosa following administration of fumonisin B1 (FB1). Materials and Methods: Twenty-nine female mice divided into treatment (n=15) and control (n=14) groups. The treatment group received FB1 (150 mg/kg diet) for 16 weeks. The gastric atrophy was allocated using grading criteria modeled on the updated Sydney System. Immunohistochemistry studies were performed for evaluation of apoptosis and proliferative activity in gastric mucosa. Results: Mild to moderate gastric atrophy were observed in microscopic findings of the gastric mucosa in treated animals (P<0.05). Number of parietal cells significantly decreased in the treatment group in comparison with the control (P<0.05). Treatment with FB1 for 16 weeks significantly reduced both gastric mucosa height and mitotic index in the gastric glands (P<0.05). TUNEL- and Bax-labeled positive cell numbers significantly increased in the FB1-treated group compared to the control (P<0.05). In addition, proliferative activity of gastric glands in the treated group was significantly lower than the control (P<0.05). Conclusion: Oral administration of FB1 caused atrophy in gastric mucosa both via increasing of apoptosis and suppressing the mitotic activity of these cells. | ||
| کلیدواژهها | ||
| Apoptosis؛ Fumonisin B1؛ Gastric atrophy؛ Mice؛ Proliferative activity | ||
| مراجع | ||
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