The effect of ethyl pyruvate on dapsone-induced methemoglobinemia in rats

被引：9
|
作者：
Jo, You Hwan [1 ]
Kwon, Woon Yong [1 ]
Lee, Jeong Hoon [2 ]
Kim, Kyuseok [3 ]
Shin, Sang Do [1 ]
Kang, Young Joon [4 ]
Suh, Gil Joon [1 ]
机构：
[1] Seoul Natl Univ, Coll Med, Dept Emergency Med, Seoul 110744, South Korea
[2] DongGuk Univ, Int Hosp, Dept Emergency Med, Siksa Dong, Gyeonggi Do, South Korea
[3] Seoul Natl Univ, Bundang Hosp, Dept Emergency Med, Songnam, Gyeonggi Do, South Korea
[4] Cheju Natl Univ Hosp, Dept Emergency Med, Cheju, Jeju Do, South Korea
来源：
CLINICAL TOXICOLOGY | 2008年 / 46卷 / 09期
关键词：
Methemoglobinemia; Intoxication; Antidote;
D O I：
10.1080/15563650802304419
中图分类号：
R99 [毒物学（毒理学）];
学科分类号：
100405 ;
摘要：
Introduction. Dapsone induces methemoglobinemia by oxidant stress; ethyl pyruvate (EP) is an antioxidant and radical oxygen species scavenger. This study was conducted to evaluate the effect of EP on methemoglobinemia induced by dapsone. Methods. Male Sprague-Dawley rats were divided into an EP group and a control group. Rats in the EP group were administered dapsone (40 mg/kg) via the stomach and then EP (40 mg/kg) was injected intraperitoneally. Rats in the control group were administered dapsone followed by Ringer's lactate solution. Methemoglobin concentrations were measured at 90, 180, and 360 min after dapsone administration. Results. Methemoglobin concentrations were not different between time points in the control group. However, in the EP group, the methemoglobin concentrations were significantly lower than those of the control group at 90 and 180 min, but this difference was no longer apparent at 360 min. Conclusion. A single intraperitoneal dose of EP was able to reduce methemoglobinemia induced by dapsone for a short period of time, but this effect was not sustained.
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页码：811 / 814
页数：4
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