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摘要: 肿瘤细胞利用各种代谢途径以满足增殖的能量和生物合成需求。除葡萄糖外,谷氨酰胺也是肿瘤细胞生长的重要前体物质及能量来源。谷氨酰胺酶(glutaminase,GSL)活性与Ras、c-Myc等癌基因以及Rho GTP酶相关。诸多临床前研究已证实谷氨酰胺酶抑制剂不仅具有抗肿瘤活性,还可以明显增强耐药肿瘤细胞对靶向药物的敏感性。目前新型GSL抑制剂CB-839已进入Ⅰ期临床试验,有望成为癌症治疗的新型药物。本文就谷氨酰胺代谢及其新型抑制剂抗肿瘤研究进展做一综述。Abstract: Tumor cells use several metabolic pathways to support bioenergetic and biosynthetic demands of proliferation. In addition to glucose, glutamine is an important source of precursor substances and energy for cancer cell growth. Glutaminase (GSL) activity is associated with Ras, c-Myc, and other oncogenes, as well as Rho GTP enzyme. Many preclinical studies have confirmed that glutaminase inhibitors not only exhibit anti-tumor activity, but can also remarkably enhance the sensitivity of resistant cancer cells to targeted drugs. At present, the novel GSL inhibitor CB-839 has entered phase Ⅰ clinical trials and is expected to become a new drug for cancer treatment. This paper reviews the research progress on this novel glutaminase inhibitor and its antitumor activity.
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Key words:
- glutamine metabolism /
- glutaminase /
- tumor /
- glutaminase inhibitor /
- CB-839
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