食管癌变组织和非癌变组织低密度脂蛋白受体水平的测定

被引:2
作者
于雪艳
邢晓燕
胡晓燕
徐松德
王明运
胡国强
丛旭滋
机构
[1] 山东医科大学生化教研室
[2] 山东医科大学附属医院胸外科
关键词
食管癌; 低密度脂蛋白; 低密度脂蛋白受体; 脱氧核糖核酸;
D O I
暂无
中图分类号
学科分类号
摘要
本文用125I—LDL为配体测定了15例食管癌(9例鳞癌、6例腺癌)病人的癌变组织和非癌变组织匀浆中低密度脂蛋白受体(LDL—R)水平,并进行饱和分析和Scatchard作图,同时测定了两种组织的匀浆蛋白质和DNA含量,以探讨LDL代谢与食管癌的发生、发展间关系。结果显示两种组织匀浆中LDL—R亲合性、特异性无明显差异;但癌变组织中蛋白质、DNA、LDL—R含量均明显高于非癌变组织;癌组织LDL—R含量明显高于非癌组织,鳞癌LDL—R含量改变似与分化程度有关,分化越低,LDL—R含量越高。本文采用同一个体癌组织与非癌组织对比,可能更为准确地反映其LDL—R变化情况。
引用
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页码:236 / 238
页数:3
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