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Original Article
- Hepatic Effect of Simultaneous Exposure to Nickel and Cadmium in Rats
- Bong Suk Cha, Seungjun Wang, Sei Jin Chang
- Korean Journal of Occupational and Environmental Medicine 2000;12(1):111-118. Published online March 31, 2000
- DOI: https://doi.org/10.35371/kjoem.2000.12.1.111
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Abstract
PDF - OBJECTIVES
This research was intended to verify hepatic effect of simutaneously combined exposure of nickel chloride and cadmium chloride with IPRL(Isolated Perfused Rat Liver) method.
METHODS
AST(aspartate aminotransferase), ALT(alanine aminotransferase), LDH(lactate dehydrogenase) and perfusion flow rate were used as the indicator of hepatotoxicity and oxygen consumption rate were used as the indicator of viability. 300(+/-50) g weighted rats were allocated randomly to each group (control group, 50 microM 200 microM separately exposure group of NiC1, and CdC1, simultaneously combined exposure group of NiC1 and CdC1) by 5, totally 35. Buffer which got out of liver was sampled and then biochemical indicator of hepatotoxicity was measured. In order to verify difference among groups, two way repeated ANOVA was used. With comparing mean summation of separate exposure group with mean of simultaneous exposure group, possibility that combined effect could be synergistic effect was verified.
RESULTS
AST, ALT, LDH increased in both of separate exposure group and simultaneous exposure group. Perfusion flow rate and oxygen consumption rate decreased but statistically significant difference among groups was not found, In each exposure group, AST, ALT, LDH, oxygen consumption rate of simultaneous exposure group increased more than sum of separate exposure group after any sampling time.
CONCLUSIONS
It was found that simultaneous combined effect could be synergistic effect through the biochemical indicator of hepatotoxicity.
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