alexa Antitumor effect of skin of venenum bufonis in a NCI-H460 tumor regression model.
Pharmaceutical Sciences

Pharmaceutical Sciences

Pharmaceutica Analytica Acta

Author(s): Kim JS, Jeong TY, Cho CK, Lee YW, Yoo HS

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Abstract This experimental study was performed to investigate the antitumor effect of skin of venenum bufonis (SVB) in NCI-H460 human lung cancer cell xenografted nude mice. NCI-H460 cell lines were cultured and then xenografted into nude mice. Mice were divided into four groups: SVB (0.25 mg/kg) given orally, SVB (0.25 mg/kg) interperitoneally, SVB (0.5 mg/kg) interperitoneally, and the untreated group. Mice were raised and treated for 28 days. Body weight and tumor weight and volumes were measured daily. Absolute organ weight, microhistological observations and biochemical blood analyses were performed on the final day of the study following the sacrificing of these animals. Tumor inhibition rate, mean survival time and percent increase in life span were also calculated. Tumor size decreased in all SVB treated mice. Increasing the dose of SVB attenuated the inhibition rate seen on the 11th day of this experiment. Furthermore, tumor weight and volume in the mice treated with the highest dose of SVB were the smallest. Mice treated with high-dose intraperitoneal SVB gained weight and had significantly smaller spleens compared with untreated mice. Mean survival time and percent increase in life span in the low-dose intraperitoneal SVB treatment group were higher than those of other groups. Biochemical blood analysis revealed that phosphatase and urea nitrogen levels were decreased significantly in 0.25 mg/kg SVB orally treated mice (p < 0.01). Blood level calcium and alanine transaminase significantly decreased with intraperitoneal SVB 0.5 mg/kg (p < 0.05). The findings of this in vivo study suggest that SVB may have potential as a tumor growth inhibitor. Further research that overcomes the limitations of this study to determine the antitumor mechanism of SVB is still required. Copyright © 2010 Korean Pharmacopuncture Institute. This article was published in J Acupunct Meridian Stud and referenced in Pharmaceutica Analytica Acta

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