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β-catenin与头颈鳞癌的研究进展 被引量:1

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摘要 β-catenin是Wnt信号传导通路和上皮钙黏连素-连环素复合体(E-cadherin/catenin)的关键分子。目前,在许多肿瘤研究中已发现β-catenin的异常蓄积,而且,其异常蓄积的程度与肿瘤发生、发展、浸润、转移相关。在正常上皮细胞中,β-catenin与E-cadherin相连,介导细胞间的黏附,而少量游离的β-catenin与大肠腺瘤息肉样蛋白(adenomatouspolyposis coli,APC)复合体结合,经泛素-蛋白酶小体系统降解。当Wnt信号激活时,细胞核内蓄积的β-catenin与TCF/LEF(Tcell factor/lymp hoid enhancer facor)结合,激活c-myc和cyclin D1等基因,调节细胞增殖。笔者就其与鳞癌发生、发展、浸润、转移至肩的关系方面的研究做一综述。
出处 《中华全科医学》 2011年第7期1119-1120,共2页 Chinese Journal of General Practice
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参考文献20

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