Journal of Physiology & Pathology in Korean Medicine (동의생리병리학회지)

The Physiological Society of Korean Medicine and The Society of Pathology in Korean Medicine (대한동의생리학회·한의병리학회)
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Effects of LEONURI HERBA Extract on the Regional Cerebral Blood Flow and Mean Arterial Blood Pressure in Normal Rats

익모초(益母草) 추출액이 국소 뇌혈류량 및 평균혈압에 미치는 영향

  • Bae In-Tae (Department of Pathelogy, College of Oriental Medicine, Dongshin University) ;
  • Jeong Hyun-Woo (Department of Pathelogy, College of Oriental Medicine, Dongshin University)
  • 배인태 (동신대학교 한의과대학 병리학교실) ;
  • 정현우 (동신대학교 한의과대학 병리학교실)
  • Published : 2005.12.01
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Abstract

The study was designed to investigate the effects of Leonuri herba extract (LHE) on the change of regional cerebral blood flow (rCBF) and mean arterial blood pressure (MABP) in normal rats, and further to determine the mechanism of action of LHE. The results in normal rats were as follows, LHE significantly increased rCBF in a dose-dependent manner, and MABP did not change in a dose-dependent manner. This results were suggested that LHE significantly increased rCBF by dilating pial arterial diameter. The LHE-induced increase in rCBF was significantly inhibited by Pretreatment with indomethacin(1 mg/kg, i.p.), an inhibitor of cyclooxygenase, and was significantly inhibited by methylene blue($10{\mu}g/kg$, i.p.), an inhibitor of guanylate cyclase. The LHE-induced MABP did not change by pretreatment with indomethacin but was significantly inhibited by methylene blue. This results were suggested that the mechanism of LHE was mediated by cyclooxygenase.

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References

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