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KMID : 0861020100250020137
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Korea Journal of Herbology
2010 Volume.25 No. 2 p.137 ~ p.144
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Micronucleus Test in Bone Marrow Cells and Bacterial Reverse Mutation Assay of HMC05
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Shin Heung-Mook
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Abstract
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Objectives：We investigated genetic toxicity of HMCO5 using the Micronucleus Test in bone marrow cells of mice and Bacterial Reverse Mutation Assay in plate incorporation method according to OECD Guidelines and KFDA Guidelines.
Methods：1. Micronucleus test: The male rats were divided into 5 groups, respectively; G(1), treated with distilled water: G(2), treated with 1250mg/kg HMC05: G(3), treated with 2500mg/kg HMC05, G(4), treated with 5,000mg/kg HMC05; G(5), treated with Cyclophosphamide·H2O. Sterilized distilled water and HMC05 were administered for two consecutive days.
Cyclophosphamide·H2O was administered once on the day of 2nd administration. 2. Bacterial Reverse Mutation Aassay: Experimental groups were divided into two groups: with S-9mix(+S) or without S-9mix(-S). Each group treated with sterilized distilled water only, HMCO5(62, 185, 556, 1,667, 5,000㎍/plate) and, positive vehicles(Sodium azide,
2-Aminoanthracene, 4-Nitroquinoline N-oxide, ICR 191), respectively.
Results：HMC05 did not show any changes in the number of micronucleated polychromatic erythrocytes(MNPCE) among 200 polychromatic erythrocytes compare to negative control. However, there were significant (p<0.01) increase with CPA in MNPCE. In Bacterial Reverse Mutation Aassay, no significant increases in the number of revertant colonies compared to (삭제) negative control were detected in all concentrations of HMC05.
Conclusions：These results indicate that HMC05 did not show any genotoxicity against in Micronucleus test and Bacterial Reverse Mutation Aassay.
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KEYWORD
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HMC05, Genetic toxicity, Micronucleus Test, Bacterial Reverse Mutation Assay, micronucleated polychromatic erythrocytes, revertant colonies
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