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자료유형
학술저널
저자정보
Lee, Jun-Kyoung (Professional Graduate School of Oriental Medicine, Wonkwang University) Li, Hua Cao (Professional Graduate School of Oriental Medicine, Wonkwang University) Kang, Dae-Gill (Professional Graduate School of Oriental Medicine, Medicinal Resources Research Institute [MeRRI], Wonkwang University) Lee, Hyuck (Professional Graduate School of Oriental Medicine, Wonkwang University) Jang, Ji-Yeon (Professional Graduate School of Oriental Medicine, Wonkwang University) Lee, Ho-Sub (Professional Graduate School of Oriental Medicine, Medicinal Resources Research Institute [MeRRI], Wonkwang University)
저널정보
대한동의생리학회 동의생리병리학회지 동의생리병리학회지 제19권 제3호
발행연도
2005.1
수록면
797 - 801 (5page)

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While conducting an in vitro screening of various medicinal plant extracts, an aqueous extract of Rosa rugosa Radix (ARR) was found to exhibit a distinct vasorelaxant activity. ARR induced a concentration-dependent relaxation of the phenylephrine-precontracted aorta. This effect disappeared with the removal of functional endothelium. Pretreatment of the aortic tissues with NG-nitro-L-arginine methyl ester (L-NAME) or 1H-[1,2,4]-oxadiazole-[4,3-]-quinoxalin-1-one (ODQ) completely inhibited the relaxation induced by ARR. ARR-induced vascular relaxations were also markedly attenuated by addition of diltiazem or verapamil. However, the relaxant effect of ARR was not blocked by pretreatment with indomethacine, tetraethylammonium (TEA), glibenclamide, atropine, or propranolol. Taken together, the present study suggests that ARR dilates vascular smooth muscle via endothelium-dependent NO/cGMP signaling.

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