癌变·畸变·突变 ›› 2007, Vol. 19 ›› Issue (2): 149-151.doi: 10.3969/j.issn.1004-616x.2007.02.020

• 检测研究 • 上一篇    下一篇

鲁吡替康致突变性研究

马国建 陈森清 高 凌 张琴芬 亢寿海 徐荣华 薛开先   

  1. 1.江苏省肿瘤防治研究所遗传学研究室, 江苏南京 210009;2.江苏省肿瘤防治研究所药物学研究室,江苏 南京 210009
  • 收稿日期:2006-06-06 修回日期:2006-10-19 出版日期:2007-03-30 发布日期:2007-03-30
  • 通讯作者: 马国建

Study on the Mutagenesis of Rubitecan

MA Guo-jian1, CHEN Sen-qing1, GAO Ling2, ZHANG Qin-fen2, KANG Shou-hai2, XU Rong-hua2, XUE Kai-xian1   

  1. 1.Laboratory of Genetics, Jiangsu Institute for Cancer Research, Nanjing 210009, Jiangsu, China; 2.Laboratory of pharmacology, Jiangsu Institute for Cancer Research, Nanjing 210009, Jiangsu, China
  • Received:2006-06-06 Revised:2006-10-19 Online:2007-03-30 Published:2007-03-30
  • Contact: MA Guo-jian

摘要: 背景与目的: 研究鲁吡替康(9NC)的致突变作用。 材料与方法: 采用微核实验,研究9NC体外对人淋巴细胞和体内对小鼠骨髓嗜多染红细胞(polychromatic erythrocytes, PCE)的诱变作用;采用小鼠抑瘤实验,研究9NC对小鼠移植瘤S180和Heps的肿瘤抑制作用。 结果: 9NC分别在体外≤0.187 μg/ml及体内≤0.375 mg/kg 剂量范围内,不诱发人淋巴细胞微核和小鼠骨髓PCE微核的增加(P>0.05),但对小鼠移植瘤S180(肉瘤)和Heps(肝癌)有抑制作用;在剂量≥0.25 μg/ml(体外)和≥0.75 mg/kg (体内)时,9NC可引起人外周血淋巴细胞微核和小鼠骨髓PCE微核的显著增加(P<0.01),有明显的遗传毒性。 结论: 9NC在最大安全耐受剂量内具备致突变性。

关键词: 鲁吡替康(9NC), 致突变, 微核实验

Abstract: BACKGROUND & AIM: To study the mutagenesis of Rubitecan (9NC). MATERIALS AND METHODS: The micronucleus test in human lymphocytes (in vitro) and in bone marrow PCE of mice (in vivo) were used. Induction of transplantated tumor in mice with 9NC was observed. RESULTS: 9NC had no mutagenicity in human lymphocytes within 0~0.187μg/ml and no mutagenicity to murine bone marrow PCE within 0~0.375 mg/kg body weight (P>0.05), but could inhibit the growth of transplantated tumor Hpes (heptome) and S180 (sarcoma) in mice. Mutagenic effects of 9NC was found with dosages of ≥0.25 μg/ml (in vitro) and ≥0.75 mg/kg body weight (in vivo). CONCLUSION: 9NC demonstrated mutatgenic effects at different dose ranges.

Key words: Rubitecan(9NC), mutagenesis, micronucleus test

中图分类号: