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p27与造血调控的研究

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摘要 p27是一种对细胞周期起重要负向调控作用的Cip/Kip家族分子。p27基因定位于12p12.0-12p13.1,编码198个氨基酸,主要通过基因转录后泛素—蛋白体酶途径调节。在正常造血过程中,p27的表达涉及到复杂的系列特异性,与巨核细胞的细胞周期终末退出有关。p27可调控造血祖细胞的增殖周期而对干细胞无明显影响;p27基因敲除使得利用小部分P27的干细胞生成大量祖细胞和成熟血细胞成为可能,为提高干细胞移植成功率提供一条新的途径;同时还可提高p27干细胞被基因转染的敏感性,以期更好地发挥治疗性干细胞的作用。
作者 王钦红 谢毅
出处 《国外医学(输血及血液学分册)》 2004年第1期44-46,共3页 Foreign Medical Sciences(Section of Blood Transfusion and Heanatology)
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