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  • Title: Hepatic toxicity of nickel chloride in rats.
    Author: Donskoy E, Donskoy M, Forouhar F, Gillies CG, Marzouk A, Reid MC, Zaharia O, Sunderman FW.
    Journal: Ann Clin Lab Sci; 1986; 16(2):108-17. PubMed ID: 3008632.
    Abstract:
    Enhanced lipid peroxidation was observed in livers of rats killed 24 hr after sc injection of nickel chloride (NiCl2) (750 mumol per kg), as evidenced by 13-fold increase of conjugated dienes in microsomal lipids and 4-fold increase of thiobarbituric acid (TBA) chromogens in hepatic cytosol. Histologic examination of livers from rats killed one to three days after NiCl2 injection (500 mumol per kg) showed microvesicular fatty metamorphosis, mild hydropic degeneration, and foci of inflammation. Microvesicular steatosis of hepatocytes was confirmed by electron microscopy. Dose-related increases of serum aspartate aminotransferase (ALT) activity (up to 7-fold vs controls) and alanine aminotransferase (ALT) activity (up to 3-fold vs controls) were observed 24 hr after injection of NiCl2 (125 to 750 mumol per kg); diminished serum alkaline phosphatase activity (up to 72 percent reduction vs controls) was seen at NiCl2 dosages from 375 to 750 mumol per kg. Diethyldithiocarbamate did not influence the effects of NiCl2 on TBA-chromogens in liver homogenates or on serum AST and ALT activities but acted synergistically with NiCl2 to diminish serum alkaline phosphatase activity and to increase serum bilirubin concentration. This study demonstrates that parenteral administration of NiCl2 to rats produces acute hepatic toxicity, with enhanced lipid peroxidation, microvesicular steatosis, and increased serum AST and ALT activities.
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