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자료유형
학술저널
저자정보
박형진 (가톨릭대학 의학부 생리학교실) 조양혁 (가톨릭대학 의학부 생리학교실)
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대한생리학회 대한생리학회지 대한생리학회지 제14권 제2호
발행연도
1980.1
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1 - 5 (5page)

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This study was undertaken to investigate the influence of prostaglandin $E_1(PGE_1)$ upon the activity of carbonic anhydrase and upon the inhibitory action of acetazolamide on carbonic anhydrase. The heparinized blood was sampled by cardiac puncture from Sprague-Dawley strain rats under ether anesthesia and was hemolysed by adding distilled water 1,000 times the amount of the blood. The activity of carbonic anhydrase of 0.1 ml of the hemolysate was measured by Maren's simplified micro-method. In the first experiment, the 7 rats were used, and the activity was measured by adding 0.1 ml of various concentrations of $PGE_1$(0.5, 1.25, 2.5, 5.0, 10 and $20\;{\mu}g/ml$). In the second experiment, the 6 rats were used and the activity was measured by adding 0.1 ml of $PGE_1(5\;{\mu}g/ml)$ and 0.1 ml of acetazolamide$(6{\times}10^{-7}M/l)$ respectively or simultaneously. Obtained results were as follows: 1) The activity of carbonic anhydrase was significantly inhibited by $PGE_1$ at doses of $0.5{\sim}10\;{\mu}g/ml$, maximally at a dose of $2.5\;{\mu}g/ml$, but inhibition was no more observed at a dose of $20\;{\mu}g/ml$. 2) The activity of the acetazolamide group was significantly less than that of the control group. 3) The activity of the $PGE_1+acetazolamide$ group was significantly less than those of the $PGE_1$ group and the acetazolamide group. It is inferred from the above results that the $PGE_1$ inhibits the activity of carbonic anhydrase dose-dependently and strengthens the inhibitory effect of acetazolamide on carbonic anhydrase.

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