有机化学 ›› 1995, Vol. 15 ›› Issue (5): 505-510. 上一篇    下一篇

研究论文

亚油酸铂靶向脂质体与癌细胞膜相互作用的电子自旋共振研究

张静;孙润广;孙玉晴;郝爱民   

  1. 陕西师范大学实验中心;中国科学院理论物理研究所
  • 发布日期:1995-10-25

Interaction between the targeted liposomes of containing linoleic piatinum and tumour cell membrans

ZHANG JING;SUN RUNAN;SUN YUQING;HAO AIMIN   

  • Published:1995-10-25

本文用马来酰亚胺自旋标记(MSL)技术研究了亚油酸铂靶向脂质体与肿瘤细胞膜的相互作用, 以及它们对ESR谱的影响。亚油酸铂靶向脂质体的存在, 使MSL的乳腺癌细胞膜和S180实体瘤细胞膜的W和S的比值发生了变化, 结果表明亚油酸铂可以作用于癌细胞膜影响膜蛋白巯基结合部位, 并使癌细胞膜表面蛋白质构象改变。

关键词: 脂质体, 抗癌药, 亚油酸铂, 电子自旋共振, 乳房癌

The interaction between the targeted liposome of containing linoleic platinum and tumor cell membranes was studied by method of 3- maleimide-2, 2, 5, 5-tetramethyl-1-pyrrolidinyloxyl spin label (MSL). The targeted liposome of containing linoleic platinum effects on ESR spectrum of tumor cells labeled with MSL. In the presence of linoleic platinum the ratios of W and S of breast cancer cell membranes and S180 cell membranes labeled with MSL were changed, The results indicate linoleic platinum can react with mercapto groups on the proteins of tumor cell membranes and change the conformations of cell membrane proteins.

Key words: LIPOSOME, ANTICARCINOGEN, ELECTRON SPIN RESONANCE, BREAST CANCER

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