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首页> 外文期刊>Japanese Journal of Pharmacology >Protective effect of KB-R7943, a novel Na+/Ca2+ exchange inhibitor, on ischemic acute renal failure in rats.
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Protective effect of KB-R7943, a novel Na+/Ca2+ exchange inhibitor, on ischemic acute renal failure in rats.

机译:新型Na + / Ca2 +交换抑制剂KB-R7943对大鼠缺血性急性肾衰竭的保护作用。

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摘要

The effects of KB-R7943 (2-[2-[4-(4-nitrobenzyloxy)phenyl]ethyl]isothiourea methanesulfonate), a novel Na+/Ca2+ exchange inhibitor, on ischemic acute renal failure (ARF) in rats were examined. ARF was induced by clamping the left renal pedicle for 45 min followed by reperfusion, 2 weeks after contralateral nephrectomy. Renal function was markedly diminished in ARF rats. Pretreatment with KB-R7943 (10 mg/kg, i.v.) markedly attenuated the ARF-induced renal dysfunction. Histopathological examination of the kidney of ARF rats revealed severe renal damage, which was suppressed by KB-R7943. Activation of the reverse mode of Na+/Ca2+ exchange seems to play an important role in the pathogenesis of ARF. A selective Na+/Ca2+ exchange inhibitor may be useful in cases of ARF.
机译:研究了新型的Na + / Ca2 +交换抑制剂KB-R7943(2- [2- [4-(4-硝基苄氧基)苯基]乙基]异硫脲甲磺酸盐)对大鼠缺血性急性肾衰竭(ARF)的影响。对侧肾切除术后2周,通过将左肾蒂钳住45分钟,然后再灌注,诱发ARF。肾功能在ARF大鼠中明显降低。用KB-R7943(10 mg / kg,i.v.)预处理可明显减轻ARF引起的肾功能不全。 ARF大鼠肾脏的组织病理学检查显示严重的肾脏损害,KB-R7943抑制了肾脏损害。 Na + / Ca2 +交换反向模式的激活似乎在ARF的发病机理中起重要作用。在ARF的情况下,选择性的Na + / Ca2 +交换抑制剂可能有用。

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