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KMID : 0381920000300020153
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Korean Journal of Microscopy
2000 Volume.30 No. 2 p.153 ~ p.163
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Effect of Squalene on $HgCI_2$ induced Hepatotoxicity in Mouse
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Choi Young-Bok
Kim Jong-Se
Yoon Jung-Sik
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Abstract
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This study aims to demonstrate the effect of squalene (SQ), one of the natural chelator, on the ultrastructural changes in the mouse liver caused by $HgCl_2$. A total of 40 healthy ICR that weighted 30 gm $({\pm}2gm)$ was used for experiment. The experimental group was divided into two groups; group A and B. The group A administrated $HgCl_2$ (4.0mg/kg) to the intraperitoneal. The group B administrated $HgCl_2$ (4.0 mg/kg) to the intraperitoneal treated with SQ (180 mg/kg, 2 times/day). Each group was observed at 24, 48, 72, 96 hours after injected $HgCl_2$. The results were as follows: 1. Group A Nucleus showed condensation of nuclear membrane at the 24 hours. At the 48 hours, observed distinct condensation. But nuclear membrane be seen relative rounded-shape at the 96 hours. At overall the time, inner cavity of mitochondria swollen and development of cristae weakened. Also electron density of matrix was a little low. At the 72 hours, destruction of the inner and outer membrane of mitochondria observed occasionally. Swelling of inner cavity of rER and destruction of lamellae be found from 24 hours to 72 hours, but at the 96 hours, only some swelling 2. Group B Nuclear membrnae and chromatin be seen normal shape at overall the time. Mitochondria showed destruction of the inner membrane until the 48 hours, but mostly normal shapes. Electron density showed high on the all groups. RER be found swelling of inner cavity at the 24 and 48 hours, but found typical lamellae and observed a number of transfer vesicles around rER at the 72 and 96 hours. These results suggest that squalene attenuates the toxic effect of the $HgCl_2$ in the mouse liver.
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KEYWORD
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$HgCl_2$, Liver, Mouse, Squalene, Ultrastructural Changes
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