| Histochemical studies on effect of low concentrated carbon monoxide on the caudate nucleus in rat |
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Jin-sang Kim |
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College of Veterinary Medicine, Seoul National University |
| 저농도 일산화탄소가 흰쥐 미상핵에 미치는 영향에 관한 조직화학적 연구 |
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김진상 |
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서울대학교 수의과대학 |
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| Abstract |
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This study was undertaken to investigate the changes of enzyme activities resulted from low concentrated carbon monoxide poisoning on the caudate nucleus in rat. The activities of cytochrome oxidase, succinate dehydrogenase and lactate dehydragenase were observed histochemically, after the experimental animals were poisoned to 100ppm carbon monoxide for 8 hours every day from one day to 16 days. The materials were sliced from coronal section at the level of the optic chiasm and immediately frozen sections of $10{mu}m$ thickness were cut on the cryostat at $-15^{circ}C$ and incubated in the medium containing substrate for histochemical detection of cytochrome oxidase, succinate dehydrogenase and lactate dehydrogenase. The sections were mounted in glycerol gelatin and observed under light microscope. It was obtained that cytochrome oxidase activity decreased moderately and succinate dehydrogenase activity showed marked or moderate activity during entire poisoning period and lactate dehydrogenase activity showed marked or moderate activity from one to 8 days but recovered to normal condition at 16th day. |
| Key Words:
caudate nucleus, carbon monoxide poisoning, cytochrome oxidase, succinate dehydrogenase, lactate dehydrogenase activity |
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