Histochemical studies on effect of low concentrated carbon monoxide on the caudate nucleus in rat
1989
Kim, J.S. (Seoul National Univ., Suwon (Korea R.). Coll. of Veterinary Medicine)
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 dehydrogenase were observed histochemically, after the experimental animals were poisoned to 100 ppm 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 micro m thickness were cut on the cryostat at -15deg 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
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