Inhibitory effect of trimetazidine on utilization of myocardial glycogen during coronary ligation in dogs. 1986

K Sakai, and Y Fukushi, and Y Abiko

The left anterior descending coronary artery (LAD) of the dog was ligated completely for 1.5 min, and immediately after LAD ligation the heart was taken for determination of the glycogen phosphorylase and glycogen. Trimetazidine was injected intravenously 20 min before LAD ligation. LAD ligation increased the activity of glycogen phosphorylase and decreased the level of glycogen in both ischemic (LAD) and nonischemic (circumflex) areas. Trimetazidine at the dose of 0.3 or 1.0 mg/kg, being the dose that did not affect blood pressure and heart rate markedly, inhibited the ischemia-induced changes in glycogen phosphorylase and glycogen level. It is concluded that trimetazidine inhibits the ischemia-induced increase in the utilization of glycogen in the dog myocardium.

UI MeSH Term Description Entries
D008026 Ligation Application of a ligature to tie a vessel or strangulate a part. Ligature,Ligations,Ligatures
D008297 Male Males
D009206 Myocardium The muscle tissue of the HEART. It is composed of striated, involuntary muscle cells (MYOCYTES, CARDIAC) connected to form the contractile pump to generate blood flow. Muscle, Cardiac,Muscle, Heart,Cardiac Muscle,Myocardia,Cardiac Muscles,Heart Muscle,Heart Muscles,Muscles, Cardiac,Muscles, Heart
D010879 Piperazines Compounds that are derived from PIPERAZINE.
D001794 Blood Pressure PRESSURE of the BLOOD on the ARTERIES and other BLOOD VESSELS. Systolic Pressure,Diastolic Pressure,Pulse Pressure,Pressure, Blood,Pressure, Diastolic,Pressure, Pulse,Pressure, Systolic,Pressures, Systolic
D003326 Coronary Circulation The circulation of blood through the CORONARY VESSELS of the HEART. Circulation, Coronary
D003327 Coronary Disease An imbalance between myocardial functional requirements and the capacity of the CORONARY VESSELS to supply sufficient blood flow. It is a form of MYOCARDIAL ISCHEMIA (insufficient blood supply to the heart muscle) caused by a decreased capacity of the coronary vessels. Coronary Heart Disease,Coronary Diseases,Coronary Heart Diseases,Disease, Coronary,Disease, Coronary Heart,Diseases, Coronary,Diseases, Coronary Heart,Heart Disease, Coronary,Heart Diseases, Coronary
D003331 Coronary Vessels The veins and arteries of the HEART. Coronary Arteries,Sinus Node Artery,Coronary Veins,Arteries, Coronary,Arteries, Sinus Node,Artery, Coronary,Artery, Sinus Node,Coronary Artery,Coronary Vein,Coronary Vessel,Sinus Node Arteries,Vein, Coronary,Veins, Coronary,Vessel, Coronary,Vessels, Coronary
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005260 Female Females

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