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<p>Coronary occlusion (45 min) and reperfusion (2 h) were modeled, and the ratio of the necrosis area to area at risk ratio was measured in rats. Metabolic syndrome was induced by high-carbohydrate high-fat diet for 84 days. A single administration of diazoxide, nicorandil at a dose of 5 mg/kg or nitroglycerin at a dose of 0.24 mg/kg to animals without metabolic syndrome resulted in a decrease in infarct size. A 21-day course of diazoxide had no infarct-limiting effect. After course administration of nicorandil or nitroglycerin, we observed a trend toward a decrease in infarct size, which completely disappeared 2 weeks after the course of therapy. In rats with metabolic syndrome, no infarct-limiting effect of diazoxide, nicorandil, and nitroglycerin was revealed.</p>

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Infarct-Limiting Efficacy of KATP Channel Activators and Nitric Oxide Donors under Conditions of Their Chronic Administration and Diet-Induced Metabolic Syndrome Conditions in Rats

  • 期刊论文

  • 发表日期：

    2025年5月1日

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  • N. V. Naryzhnaya,
  • A. V. Mukhomedzyanov,
  • M. Kilin,
  • N. S. Voronkov,
  • B. K. Kurbatov,
  • L. N. Maslov

摘要

Coronary occlusion (45 min) and reperfusion (2 h) were modeled, and the ratio of the necrosis area to area at risk ratio was measured in rats. Metabolic syndrome was induced by high-carbohydrate high-fat diet for 84 days. A single administration of diazoxide, nicorandil at a dose of 5 mg/kg or nitroglycerin at a dose of 0.24 mg/kg to animals without metabolic syndrome resulted in a decrease in infarct size. A 21-day course of diazoxide had no infarct-limiting effect. After course administration of nicorandil or nitroglycerin, we observed a trend toward a decrease in infarct size, which completely disappeared 2 weeks after the course of therapy. In rats with metabolic syndrome, no infarct-limiting effect of diazoxide, nicorandil, and nitroglycerin was revealed.