Abstract
The aim of this study was to compare the therapeutic effects of muskone, a traditional preparation containing slender Dutchmanspipe root (MCS) used to treat angina pectoris and related conditions, muskone containing inula root (MCI) in place of MCS, and muskone (M) without either slender Dutchmanspipe root (S) or inula root (I) on acute myocardial infarct (AMI) in rats and the pain response in mice. The AMI model was established by ligating the left anterior descending coronary artery (LAD). The AMI rats were treated with MCS, MCI, M, S and I, respectively, before the surgical operation. Plasma endothelin (ET), 6-keto-prostaglandin F(1alpha) (6-keto-PGF(1alpha)), thromboxane (TXB(2)) and myocardial apoptosis were detected, the ratio of 6-keto-PGF(1alpha) level to TXB(2) level (6-keto-PGF(2alpha)/TXB(2)) was calculated, and the infarct size was determined. In the pain relieving study, the prophylactic treatments with MCS, MCI, M, S, I and aspirin were administered to the mice once a day for 5 days, the response latency and the number of abdominal contractions after the stimulus of intraperitoneal injection of acetic acid were recorded. The results show that MCS, MCI and M significantly ameliorated plasma ET, TXB(2), 6-keto-PGF(1...Continue Reading
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