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Molecular Mechanisms of Tumor Angiogenesis

机译:肿瘤血管生成的分子机制

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The maintenance of growth of malignant tumors is lcosely related with the development of the vascular network supplying the tumor with blood. The vascularization of tumor tissue is similar to physiological angiogenesis,but in tumors it has some specific features. During the last 25 years a vast number of biomolecules has been found and described which are involved in the the regulation of tumor angiogenesis. This review considers the action mechanisms and specific features of expression of the main angiogenic growth factors, such as the vascular endothelium growth factor (VEGF), angiopoietins (Ang-1, Ang-2), and the basic fibroblast growth factor (bFGF). The roles of cytokines, growth factors, proteolytic enzymes, and cell adhesion molecules in the regulation of the key steps of blood vessel generation in the tumor are considered. The significance of angiogenesis in the treatment of oncological diseases and possible approaches for inhibition of the regulatory signals of angiogenic factors are discussed.
机译:维持恶性肿瘤的生长与为肿瘤提供血液的血管网络的发展密切相关。肿瘤组织的血管形成与生理性血管生成相似,但在肿瘤中具有某些特定特征。在最近的25年中,已经发现并描述了大量生物分子,它们参与调节肿瘤血管生成。这篇综述考虑了主要血管生成生长因子,如血管内皮生长因子(VEGF),血管生成素(Ang-1,Ang-2)和碱性成纤维细胞生长因子(bFGF)的作用机理和表达的特定特征。考虑了细胞因子,生长因子,蛋白水解酶和细胞粘附分子在调节肿瘤血管生成关键步骤中的作用。讨论了血管生成在肿瘤疾病治疗中的意义以及抑制血管生成因子调控信号的可能方法。

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