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KMID : 0381919960260030315
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Korean Journal of Microscopy
1996 Volume.26 No. 3 p.315 ~ p.328
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Effect of SOD on Ultrastructural Changes of Gastric Parietal Cells in the Cisplatin Treated Rats
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Paik Doo-Jin
Park Kyu-Wan
Chung Ho-Sam
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Abstract
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This study aims to demonstrate the effect of SOD (superoxide dismutase), one of the antioxidant enzymes, on the ultrastructural changes in the parietal cells caused by the administration of cisplatin in the rat. A total of 60 healthy Sprague-Dawley rats weighing about 200 gm were used as experimental animals. Cisplatin (6 mg/kg) was administered intraperitoneally to rats pretreated with 15,000 unit/kg of SOD or rats without the pretreatment. The experimental animals were sacrificed at 6 hours, 12 hours, 24 hours and 3 days after the administration of cisplatin. The results were as follows: 1. SOD alone did not affect the ultrastructural changes in the gastric parietal cells in the rat. 2. Irregular shaped mitochondria, mitochondria with dim cristae, dilated cristae, ruptured outer membrane, electron lucent matrix and degenerative mitochondria were seen in cisplatin treated rat. Whorled membranous body, many lysosomes and large vacuole were observed in the gastric parietal cells in cisplatin treated rat. 3. Mitochondria with dilated cristae and electron lucent matrix and irregular shaped mitochondria were observed in the gastric parietal cells of the cisplatin treated rat with pretreatment of SOD. These results suggest that SOD attenuates the toxic effect of the cisplatin in the gastric parietal cells of the rat.
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KEYWORD
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SOD, Cisplatin, Parietal Cell, Rat
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