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c-Src promotes tumor cell proliferation by activating HK2

Abstract

大多数肿瘤细胞即使在氧气充足的情况下依然主要靠糖酵解方式提供能量,这就是著名的Warburg效应,它是肿瘤代谢的一个重要特征。己糖激酶(hexokinase,HK)是糖酵解过程中的第一个限速酶。在哺乳动物体内,HK主要有四种亚型,即HK1、HK2、HK3和HK4,其中HK2与肿瘤的关系最为密切。目前研究表明Warburg效应的发生与原癌基因(如Ras,c-Myc,HIF-1)的过度激活和抑癌基因(如p53)的失活密切相关。c-Src是哺乳动物中最早发现的原癌基因,其蛋白是一种非受体酪氨酸蛋白激酶,c-Src蛋白通过多种信号通路调节细胞的粘着与运动、增殖与存活、血管生成及胞内运输...Most types of tumor cells mainly depend on glycolysis for energy production even in the case of sufficient oxygen, a phenomenon known as Warburg effect which has been considered as one of hallmarks of tumor metabolism. Hexokinase (HK), the first rate-limiting enzyme in glycolysis, consists of four isoforms HK1, HK2, HK3 and HK4 in mammals. It has been shown that overexpression of HK2 is closely co...学位:理学硕士院系专业:生命科学学院_生物化学与分子生物学学号:2162012115234

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