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HIF-1α和HIF-2α对基因表达的调控 被引量:9

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摘要 低氧诱导因子-1(hypoxia induc ib le factor-1,H IF-1)和H IF-2是调节氧稳态的核心转录因子,在机体的病理和生理过程中起关键作用,在肿瘤形成中也发挥非常重要的作用。H IF-1和H IF-2是由α和β两个亚基组成的异源二聚体,其活性主要由H IF-α亚基决定。虽然H IF-1α和H IF-2α在分子结构、DNA结合活性和转录活性方面有许多相似性,但两者在具体的目的基因表达调控上又明显不同,从而各自在许多与低氧有关的病理生理过程中发挥特异的作用。
出处 《国际病理科学与临床杂志》 CAS 2005年第5期447-449,共3页 Journal of International Pathology and Clinical Medicine
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