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논문 기본 정보

자료유형
학술저널
저자정보
Jung, Yee-Suk (Korea Research Institute of Chemical Technology) Kwon, Kwang-Il (College of Pharmacy, Chung Nam National University) Zee, Ok-Pyo (Korea Research Institute of Chemical Technology)
저널정보
대한약학회 Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea Archives of pharmacal research : a publication of the Pharmaceutical Society of Korea 제13권 제2호
발행연도
1990.1
수록면
136 - 141 (6page)

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초록· 키워드

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The vasorelaxant effects of KR-30075 in guinea-pig pulmonary, bovine coronary and renal arterial strips contracted by either$K^+$depolarization, phenylephrine, or prostaglandin $F_{2a}$($PGF_{2a}$) were evaluated. KR-30075 was more potent than imazodan as a vasorelaxant against $PGF_{2a}$-induced contractions in bovine coronary and renal arteries, whereas against$K^+$induced contractions KR-30075 was less potent than imazodan in guieapig pulmonary arteries and more potent in bovine coronary arteries. KR-30075 was more potent against contractions induced by phenylephrine or $PGF_{2a}$ than the contractions induced by $K^+$ This profile of activity for KR-30075 was similar to that of imazodan and dissimilar from the calcium entry blocking agent nifedipine. There was no vascular selectivity of KR-30075 between bovine coronary and renal arterial strip preparations. In conclusion, this study shows that KR-30075 represents the vasorelaxant effects on guinea-pig pulmonary, bovine coronary and renal arteries without specific vascular selectivity. The vasorelaxant profile of KR-30075, with different sources of vascular smooth muscle, is unlike that of calcium entry blocking agent and more similar to the profile of the agent that inhibit cyclic nucleotide phosphodiesterase.

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