肿瘤细胞的异常糖代谢

摘要/Abstract

摘要：肿瘤细胞糖代谢异常与多种机制有关，如缺氧诱导因子（HIF）的参与可激活糖酵解相关酶类，有利于肿瘤细胞采取糖酵解方式获能；线粒体功能低下或数量减少可一定程度抑制葡萄糖氧化磷酸化途径；某些癌基因的激活及抑癌基因的失活也参与调节线粒体氧化呼吸链及糖酵解相关酶类，从而影响糖代谢过程；肿瘤细胞氧化磷酸化的相关酶类合成受到抑制等。此外，糖代谢异常对肿瘤细胞的生长、侵袭和转移具有重要作用。

关键词:糖酵解,线粒体,肿瘤,缺氧诱导因子

Abstract:The abnormal glucose metabolism of tumor cells is associated with a variety of mechanisms. Hypoxia inducible factor (HIF) is able to activate the glycolytic enzymes, which is conducive to getting energy through glycolysis. The dysfunction or the depletion in numbers of mitochondria can inhibit the oxidative phosphorylation pathway of glucose to some extent. The activation of oncogenes and the inactivation of tumor suppressor genes are also involved in the regulation of mitochondrial respiratory chain and glycolytic enzymes, thus affecting the process of glucose metabolism. Compared with normal cells, the synthesis of oxidative phosphorylation enzymes is inhibited in cancer cells. In addition, the abnormal glucose metabolism plays an important role in the growth, invasion and metastasis of tumor cells.

Key words:Glycolysis,Mitochondria,Neoplasms,Hypoxia inducible factor

孙洁, 孟祥军. 肿瘤细胞的异常糖代谢[J]. 国际肿瘤学杂志, 2013, 40(12): 883-885.

SUN Jie, MENG Xiang-Jun. Abnormal glycometabolism in tumor cells[J]. Journal of International Oncology, 2013, 40(12): 883-885.

参考文献

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Abnormal glycometabolism in tumor cells

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