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KMID : 0357220020140030297
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Journal of Korean Society Physical Therapy
2002 Volume.14 No. 3 p.297 ~ p.307
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Effect of cumambrin A Treatment on Blood Pressure in Spontaneously Hypertensive Rats
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Abstract
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We have isolated a sesquiterpene lactone, cumambrin A from the dried flowers of Chrysanthemum boreale Makino and reported its chemical structure. The aim of the present study was to investigate whether the exogenous administration of cumambrin A has a pharmacological effect on normalization of blood pressure in the spontaneously hypertensive rats (SHR). In vitro studies: Relaxative response induced by cumambrin A was increased with dose-dependent manner and showed maximizing response at a concentration of 5?0-4 M. Further, this relaxative response was significantly increased at a condition of endothelium present than that of endothelium denuded. in vivo studies: The normalizing effect of cumambrin A on blood pressure was also increased with time-dependent manner and then gradually recovered to normal condition at approximately 4 hrs after cumambrin A treatment.
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