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KMID : 0370220010450060739
Yakhak Hoeji
2001 Volume.45 No. 6 p.739 ~ p.745
Carbofuran Induces Cardiovascular Dysfunction in Rat
Á¤À̼÷/Jung YS
À̼öȯ/¹éÀºÁÖ/¹®Ã¢±Ô/¹®Ã¢Çö/Lee SH/Baik EJ/Moon CK/Moon CH
Abstract
Of all pesticides, carbamates are known to be most common, since alternatives such as organophosphates have long lifetime and are extremely toxic to produce a delayed neurotoxic effect. Although a number of studies about toxicity of carbofuran, a most widely used carbamate, have been reported, its cardiovascular toxicity has not yet been studied. In the present study, we investigated its cardiovascular toxic effect in anesthetized rat in vivo and in isolated Langendorff rat heart. In anesthetized rat model, carbofuran (10 mg/kg) significantly reduced heart rate, and transiently increased blood pressure. In isolated rat heart, carbofuran (10¥ìM) caused a significant depression in the left ventricular developed pressure (LVDP), indicating contractile dysfunction by carbofuran. Carbofuran (10¥ìM) also decreased coronary flow rate (CFR) in isolated heart, indicating carbofuran-induced coronary dysfunction. These results suggest that carbofuran can cause cardiac dysfunction in rat in vivo and vitro.
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