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- W1969394906 abstract "Previous investigations have suggested that tumor necrosis factor-alpha (TNF-α) can contribute to myocardial damage during ischemia-reperfusion. In the present study, we examined whether the cardioprotective effects of ligustrazine are related to inhibition of TNF-α production in the rat models of ischemia-reperfusion and 1,1-diphenyl-2-picrylhydrazyl (DPPH) free radical-induced myocardial injury. Ischemia for 20 min and reperfusion for 40 min caused a decline in cardiac function (left ventricular pressure, ± dp/dt max, heart rate and coronary flow) and an increase in the release of creatine kinase in coronary effluent and the content of TNF-α in myocardial tissues. Similarly, perfusion with DPPH (100 nM) for 30 min significantly decreased cardiac function, and increased the release of creatine kinase and the content of TNF-α. Ligustrazine at the concentration of 40 or 80 mg/L markedly improved cardiac function and reduced the release of creatine kinase and the content of TNF-α in myocardial tissues in hearts subjected to ischemia-reperfusion or DPPH perfusion. These results suggest that the cardioprotection afforded by ligustrazine is related to a reduction of TNF-α content by inhibition of free radical production in isolated rat hearts." @default.
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- W1969394906 date "2004-09-01" @default.
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- W1969394906 title "The Protective Effects of Ligustrazine on Ischemia-Reperfusion and DPPH Free Radical-Induced Myocardial Injury in Isolated Rat Hearts" @default.
- W1969394906 doi "https://doi.org/10.1055/s-2004-827229" @default.
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