Muto H, Shinada M, Tokuta K, Takizawa Y
Environmental Research Center, Akita University, Japan.
Br J Ind Med. 1991 Jun;48(6):382-8. doi: 10.1136/oem.48.6.382.
An in vivo study of rats given a dominant lethal dose of methylmercury chloride (MMC) or mercuric chloride (HgCl2) was conducted to elucidate the rapid biotransformation of essential elements. The elements were measured by inductively coupled plasma atomic emission spectrometry. For the rat brain Zn concentrations were higher in the MMC group than in the HgCl2 and control groups. The highest Cu concentration was found in HgCl2 dosed rat liver. For the rat kidney the highest Zn concentration was seen in the MMC group. From principal component analysis on the time dependent behaviour of each element in rat organs, characteristics specific to Cu in the liver and kidney and Mn in the brain were found after exposure to HgCl2 and Ca and Zn in the brain after exposure to MMC.
为阐明必需元素的快速生物转化过程,开展了一项针对给予大鼠致死剂量氯化甲基汞(MMC)或氯化汞(HgCl₂)的体内研究。通过电感耦合等离子体原子发射光谱法对元素进行测定。对于大鼠大脑,MMC组的锌浓度高于HgCl₂组和对照组。HgCl₂给药组大鼠肝脏中的铜浓度最高。对于大鼠肾脏,MMC组的锌浓度最高。通过对大鼠器官中各元素随时间变化行为的主成分分析发现,暴露于HgCl₂后,肝脏和肾脏中的铜以及大脑中的锰具有特定特征;暴露于MMC后,大脑中的钙和锌具有特定特征。