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分化抑制因子及其与肿瘤性血管生成

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摘要 分化抑制因子(Id)属于螺旋-环-螺旋(HLH)转录因子家族,缺乏DNA结合所必须的碱性氨基酸,在与bHLH结合形成二聚体后抑制bHLH与DNA及其他组织特异性bHLH转录因子结合,起负调节作用。哺乳动物Id有4种亚型,各种亚型的生物学功能各异。Id基因具有原癌基因特性,编码的Id蛋白能阻止细胞分化,促进细胞增殖,参与肿瘤的发生。Id基因在多种原发性肿瘤中均有表达,它是肿瘤性血管生成必需的,并与肿瘤的侵袭、转移有一定关系。
出处 《国际病理科学与临床杂志》 CAS 2005年第6期503-506,共4页 Journal of International Pathology and Clinical Medicine
基金 福建省卫生厅青年科研基金(2005-1-24) 福建省教育厅科研基金(JA03104) 福建省泉州市科研基金(2005Z17)
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参考文献24

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