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TRAF4介导TGF-β信号通路的激活并可作为乳腺癌发生的生物学检测指标

, PP. 537-542

Keywords: TRAF4,TGF-β,乳腺癌,肿瘤转移

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Abstract:

TGF-β受体所介导的信号在肿瘤发生的后期具有促进肿瘤发展的作用,这一作用被视为掌控乳腺癌细胞转移的主要调节因素.哺乳动物细胞中存在6种不同类型的肿瘤坏死因子受体(TNFR)相关因子(TRAF1~TRAF6),其中TRAF4的功能在过去的研究中并未被广泛证实.尽管大量研究已表明,TRAF4在肿瘤发生时高度表达,但其涉及的致癌机制仍未知.本文旨在阐述TRAF4参与调控TGF-β诱导发生的下游SMAD依赖型和SMAD非依赖型的2条TGF-β信号通路在乳腺癌肿瘤转移过程中的作用.

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