The Journal of Korean Medicine (대한한의학회지)

The Society of Korean Medicine (대한한의학회)
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Effects of Siegesbeckia Glabrescens on the Vascular Relaxation and Antioxidative Status

희렴의 혈관이완 효능과 항산화 동태에 관한 연구

  • 신흥묵 (동국대학교 한의과대학 생리학교실)
  • Published : 2000.03.01
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Abstract

This study investigated the effects of Siegesbeckia glabrescens, an antihypertensive remedy, on the contraction evoked by phenylephrine and KCl in isolated rat thoracic arata, and also analyzed antioxidative status in vitro. Siegesbeckia glabrescens revealed dose-dependent relaxation on phenylephrine(PE)/KCl-induced arterial contraction and more markedly on PE-induced contraction. Siegesbeckia glabrescens reduced malondialdehyde(MDA)levels, Phosphatidyl choline-liposome(PC-OOH) contents, linoleic acid-induced lipid peroxidation and exerted 1,1-diphenyl-2- picryl-hydrazyl(DPPH) radical scavenging effect, in vitro. These results indicated that Siegesbeckia glabrescens doesn't relaxe artery through a blocking α-adrenergic receptor and calcium channel mediated by voltage-operated calcium channel, and it s antioxidative effects may be involved in endothelium-dependent relaxation of arteries via vascular protective properites. (J Korean Oriental Med 2000;21(1):77-83)

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References

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