摘要
背景:肿瘤的代谢重编程是癌症的标志。在癌细胞代谢网络的变化中,谷氨酰胺分解是肿瘤中改变的关键反应。谷氨酰胺酶蛋白控制着谷氨酰胺代谢的第一步,其表达与多种癌症的恶性程度和生长速度相关。两种类型的谷氨酰胺酶同工酶GLS和GLS2在表达方式和功能上有所不同:GLS具有致癌性,而GLS2被描述为肿瘤抑制因子。 结果:我们集中研究了谷氨酰胺酶与关键癌基因和抑癌基因的联系。靶向谷氨酰胺酶同工酶包括旨在灭活癌症代谢重新连接的不同策略。此外,我们发现了与谷氨酰胺酶相关的代谢酶,转录因子和信号传导途径。另一方面,许多化学品已被描述为GLS和/或GLS2同工型的同工酶特异性抑制剂。这些分子在许多类型的肿瘤中被表征为协同和治疗剂。 结论:本综述阐述了在癌症中重新建立的代谢途径,谷氨酰胺酶同工型在癌症中的作用以及谷氨酰胺酶调节的代谢回路。我们还展示了大量的抗癌药物,它们能特异性抑制谷氨酰胺酶同工酶来治疗几种癌症。
关键词: 癌症代谢,组合治疗,谷氨酰胺酶同工酶,谷氨酰胺,谷氨酰胺酶抑制剂,代谢重编程。
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