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首页> 外文期刊>Cancer Cell >PDGF-BB induces intratumoral lymphangiogenesis and promotes lymphatic metastasis.
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PDGF-BB induces intratumoral lymphangiogenesis and promotes lymphatic metastasis.

机译:PDGF-BB诱导肿瘤内淋巴管生成,并促进淋巴转移。

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摘要

Cancer metastases are commonly found in the lymphatic system. Like tumor blood angiogenesis, stimulation of tumor lymphangiogenesis may require the interplay of several tumor-derived growth factors. Here we report that members of the PDGF family act as lymphangiogenic factors. In vitro, PDGF-BB stimulated MAP kinase activity and cell motility of isolated lymphatic endothelial cells. In vivo, PDGF-BB potently induced growth of lymphatic vessels. Expression of PDGF-BB in murine fibrosarcoma cells induced tumor lymphangiogenesis, leading to enhanced metastasis in lymph nodes. These data demonstrate that PDGF-BB is an important growth factor contributing to lymphatic metastasis. Thus, blockage of PDGF-induced lymphangiogenesis may provide a novel approach for prevention and treatment of lymphatic metastasis.
机译:癌症转移通常在淋巴系统中发现。像肿瘤血液血管生成一样,刺激肿瘤淋巴血管生成可能需要多种肿瘤衍生生长因子的相互作用。在这里,我们报告PDGF家族成员充当淋巴管生成因子。在体外,PDGF-BB刺激了离体淋巴管内皮细胞的MAP激酶活性和细胞运动性。在体内,PDGF-BB有效诱导淋巴管的生长。 PDGF-BB在鼠纤维肉瘤细胞中的表达诱导肿瘤淋巴管生成,导致淋巴结转移增强。这些数据证明PDGF-BB是促成淋巴转移的重要生长因子。因此,PDGF诱导的淋巴管生成的阻断可提供预防和治疗淋巴转移的新方法。

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