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When blood vessels dilate, the flow of blood is increased due to a decrease in vascular resistance. Therefore, dilation of arterial blood vessels (mainly the arterioles) decreases blood pressure.
Use of acacetin or 6-hydroxyflavone in the preparation of anti-angina pectoris drugs
The application belongs to the technical field of medicine, and particularly relates to application of acacetin or 6-hydroxyflavone in preparation of anti-angina pectoris drugs, and aims to solve the problems of adverse reactions such as blood pressure drop, reflex tachycardia and the like caused by non-selective vasodilation of existing anti-angina pectoris drugs, wherein the drug improves myocardial blood supply by selectively dilating coronary vessels of the heart, wherein acacetin dilates coronary vessels of the heart by inhibiting cardiac coronary vessel myosin light chain kinase and activating myosin light chain phosphatase, and 6-hydroxyflavone dilates coronary vessels of the heart by inhibiting protein kinase C and enhancing myosin light chain phosphatase activity; and the acacetin or 6-hydroxyflavone significantly reduces the symptoms of myocardial ischemia of rats caused by isopropyl adrenaline, improves characteristic ECG abnormal changes of angina pectoris, does not affect heart rate and systemic blood pressure, and is safer, thereby providing a potential drug selection for anti-angina pectoris treatment.
Owner:NANJING ANMAOHUA PHARM CO LTD