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首页> 外文期刊>Dose-response >LOW CONCENTRATION OF A DIOXIN (2, 3, 7, 8 TCDD) AFFECTS THE GLYCOSIDASES AND ACID PHOSPHATASE ACTIVITY IN MICE HEPATOCYTES
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LOW CONCENTRATION OF A DIOXIN (2, 3, 7, 8 TCDD) AFFECTS THE GLYCOSIDASES AND ACID PHOSPHATASE ACTIVITY IN MICE HEPATOCYTES

机译:低浓度的二恶英(2、3、7、8 TCDD)影响小鼠肝细胞糖苷酶和酸性磷酸酶的活性

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摘要

Present communication reports the effects of environmentally available, low doses of tetra chloro di benzo-p-dioxin (2,3,7,8 TCDD) to lysosomal enzymes in mice liver. The study tests the hypothesis, in vivo exposure of low dose TCDD provokes dose and duration dependent toxic effects to key lysosomal enzymes and thereby causes cellular apoptotic changes. Three groups of female Swiss albino mice were subjected to two doses of TCDD (0.004 mg/kg bw/d, 0.04 mg/kg bw/d) for 2, 4 and 6 days of exposure durations. The results indicated significant exposure duration dependent effects of TCDD in mice liver cells. The results suggested that TCDD possibly induced an increase in intracellular ions or ROS which in turn altered different physiological activities by affecting different metabolic pathway of the liver cells. The altered functions of key lysosomal enzymes by TCDD may also evoke the process of cellular apoptosis.
机译:本通讯报道了环境可用的低剂量四氯二苯并-对-二恶英(2,3,7,8 TCDD)对小鼠肝脏溶酶体酶的影响。该研究测试了这一假设,低剂量TCDD的体内暴露对关键的溶酶体酶引起剂量和持续时间依赖性的毒性作用,从而引起细胞凋亡的变化。三组雌性瑞士白化病小鼠接受了两剂TCDD(0.004 mg / kg bw / d,0.04 mg / kg bw / d),持续2天,4天和6天。结果表明TCDD在小鼠肝细胞中具有明显的持续时间依赖性。结果表明,TCDD可能引起细胞内离子或ROS的增加,进而通过影响肝细胞的不同代谢途径而改变了不同的生理活性。 TCDD对关键的溶酶体酶功能的改变也可能引起细胞凋亡的过程。

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