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Jung Woo Lee 1 Article
Comparative Hepatotoxicity Assessment of Cadmium and Nickel with Isolated Perfused Rat Liver(IPRL).
Bong Suk Cha, Seung Jun Wang, Sei Jin Chang, Jung Woo Lee
Korean J Prev Med. 2000;33(1):117-124.
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OBJECTIVES
It is the objective of this study to compare hepatotoxicity of nickel chloride and cadmium chloride with each other through IPRL(Isolated Perfused Rat Liver) method. METHODS: Biochemical indicator of hepatic function such as AST(aspartate aminotransferase), ALT(alanine aminotransferase), LDH(lactate dehydrogenase) and perfusion flow rate were used as the indicator of hepatotoxicity. Oxygen consumption rate were used as viability indicator. 300(+/-50) g - weighted rats were allocated randomly to each group(0 micrometer, 50 micrometer, 200 micrometer NiCl2 and CdCl2 exposure) by 5, totally 25. After Krebs-Ringer bicarbonate buffer solution flowed into the portal vein and passed the liver cell, it flowed out of vena cava. Liver was administered with each NiCl2 and CdCl2 of each concentration and observed with buffer solution sampling time. Buffer which got out of liver was sampled and then biochemical indicator of hepatotoxicity was measured. RESULTS: AST, ALT, and LDH in buffer increased with sampling time much more in CdCl2 exposure group than NiCl2 exposure group in both 50 and 200 micrometer and statistical significance was verified with 2-way repeated ANOVA. Viability was decreased more and more in all substances during passed time. CONCLUSIONS: It is inferred that CdCl2 has stronger hepatotoxicity than NiCl2. IPRL method would be used widely for acute hepatotoxicity when considerating the benefit of it.
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JPMPH : Journal of Preventive Medicine and Public Health