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肿瘤微环境与肿瘤转移 被引量:10

Tumor microenvironment and tumor metastasis
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摘要 肿瘤转移与肿瘤微环境中成纤维细胞、转化生长因子、肿瘤相关巨噬细胞、趋化因子及其受体、凝血酶等多种因素密切相关。成纤维细胞通过促进肿瘤血管生成、促进癌细胞与细胞外基质黏附、促进细胞外基质降解等环节参与肿瘤的转移。TGF-β是由巨噬细胞、间质细胞和肿瘤细胞产生,它能对抗血管内皮的紧密连接和黏附连接,使毛细血管壁完整性受到破坏,从而导致毛细血管通透性增加,使肿瘤细胞从血管中游出进入器官组织中形成种植转移。肿瘤相关性巨噬细胞可合成和分泌EGF等细胞因子,引导肿瘤细胞穿越血管壁,促进肿瘤的转移。趋化因子及其受体对肿瘤细胞的迁移起着决定性的作用。凝血酶能通过影响微环境中其他细胞的行为而为肿瘤转移提供一个相容的环境。明晰肿瘤转移与肿瘤微环境的关系,进而明确在肿瘤发生、发展、转移过程中发挥重要作用的关键分子,寻找其相对应的靶点,对于肿瘤的诊断及治疗具有重要的作用。
出处 《中国肿瘤生物治疗杂志》 CAS CSCD 北大核心 2011年第5期569-573,共5页 Chinese Journal of Cancer Biotherapy
基金 国家自然科学基金资助项目(No.30973473 30572100)~~
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参考文献36

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