Korean Journal of Veterinary Research 1997;37(3):509-523.
Development of novel method for evaluation of antitumor effect of anticancer drugs on hepatocellular carcinoma induced using 3'-methyl-4-diethylaminoazobenzene in Sprague-Dawley rat
Gon-sup Kim, Jong-shu Kim
College of Veterinary Medicine, Gyeongsang National University(Institute of Animal Medicine)
3'-methyl-4-diethylaminoazobenzene으로 유발된 랫트 hepatocellula carcinoma 모델에서 항암제의 항암효과에 대한 평가기법 개발
김곤섭, 김종수
경상대학교 수의과대학(동물의학연구소)
Abstract
This study was carried out for investigating antitumor effects of 5-fluorouracil(5-FU), methotrexate(MTX) and retinoic acid(RA) on hepatocellular carcinoma induced in Sprague-Dawley rat. Antitumor effects were examined a flow cytometric DNA distributions by flow cytometry and stuied ATP/Pi using nuclear magnetic resorance, and the enzymatic activity of thymidylate synthetase and dihydrofolate reductase as well as contents of total collagen and sialic acid were measured with spectrophotometer. In this study, S phase fraction, contents of sialic acid and total collagen were decreased in the induced hepatocellular carcinoma treated with 5-FU and MTX, and synergistic effects of anticancer drugs were exhibited in the hepatocellular carcinoma treated with 5-FU and MTX simultaneously, and the inhibition of thymidylate synthetic and dihydrofolate reductase activity were shown in the hepatocellular carcinoma treated with 5-FU, MTX, and 5-FU and MTX simultaneously. On the other hand, the ratio of ATP/Pi were increased in all groups except group treated with RA. The experimental results suggest that above method may be valuable for evaluating antitumor effect of anticancer drugs.
Key Words: Antitumor effect, 5-fluorouracil, methotrexate, retinoic acid, hepatocellular carcinoma
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