血管内皮抑素在非小细胞肺癌治疗中的研究进展

Advances in Endostatin Therapy for Non-small Cell Lung Cancer

  • 摘要: 肿瘤血管生成及其生长、侵袭和转移是一个复杂的多因素多步骤的调控过程。肿瘤生长及转移依赖于新生血管形成,抑制血管形成是抗肿瘤治疗的新方法。血管内皮抑素是一种新型内源性血管生成抑制剂,体内外试验证明其能特异性抑制血管内皮细胞的增殖与迁移,诱导其凋亡,从而抑制肿瘤新生血管的形成,达到抑制肿瘤生长的目的。有关血管内皮抑素的具体作用机制及信号传导通路尚不十分明确。同时其表达水平与肿瘤具有明显的相关性,可作为肿瘤的临床预后指标。血管内皮抑素的基因治疗与化疗、放疗、免疫治疗联合应用不仅显著增强其他治疗抗肿瘤效应,而且可减少其他治疗的毒副反应,显示出良好的临床应用前景。其抗血管生成作用具有广谱、低毒的特点,更重要的是克服了肿瘤的耐药性,这对于人类最终克服肿瘤是非常重要的。多年来国内外对其用于非小细胞肺癌治疗的报道较多。本文就血管内皮抑素的结构、作用机制、在非小细胞肺癌中的临床前及临床试验研究做一综述。

     

    Abstract: Angiogenesis, growth, invasion and metastasis of cancer involve a multi-factorial process. Tumor growthand metastasis depend on tumor angiogenesis. Antiangiogenesis is a new strategy for cancer therapy. Endo-statin is a recently discovered endogenous inhibitor of angiogenesis. In vivo and in vitro experiments haveshown that Endostatin can specifically target endothelial cells, inhibiting proliferation and migration and induc-ing apoptosis. The antitumor mechanism of Endostatin and its signal transduction pathway are not yet thor-oughly elucidated. Endostatin level is related to tumor condition and is considered a prognostic indicator. En-dostatin can enhance the antitumor effect of chemotherapy, radiotherapy and immunotherapy and decreasetheir adverse effects. In the past several years, there have been many reports on Endostatin therapy fornon-small cell lung cancer. We review the progress of the research on the structure of Endostatin and itsmechanism, as well as its use in preclinical and clinical trials for treatment of non-small cell lung cancer.

     

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