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首页> 外文期刊>Journal of Cellular Physiology >Substrate stiffness regulated migration and angiogenesis potential of A549 cells and HUVECs
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Substrate stiffness regulated migration and angiogenesis potential of A549 cells and HUVECs

机译:基板刚度迁移和监管血管生成和HUVECs A549细胞的潜力

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Tumor tissue tends to stiffen during solid tumor progression. Substrate stiffness is known to alter cell behaviors, such as proliferation and migration, during which angiogenesis is requisite. Mono‐ and co‐culture systems of lung cancer cell line A549 and human umbilical vein endothelial cells (HUVECs), on polydimethylsiloxane substrates (PDMS) with varying stiffness, were used for investigating the effects of substrate stiffness on the migration and angiogenesis of lung cancer. The expressions of matrix metalloproteinases (MMPs) and angiogenesis‐related growth factors were up‐regulated with the increase of substrate stiffness, whereas that of tissue inhibitor of matrix metalloproteinase (TIMPs) were down‐regulated with increasing substrate stiffness. Our data not only suggested that stiff substrate may promote the migration and angiogenesis capacities of lung cancer, but also suggested that therapeutically targeting lung tumor stiffness or response of ECs to lung tumor stiffness may help reduce migration and angiogenesis of lung tumor.
机译:在实体瘤肿瘤组织会变硬进展。改变细胞的行为,如核扩散和迁移,在此期间,血管生成必要的。癌症细胞系A549和人类脐静脉内皮细胞(HUVECs)聚二甲硅氧烷基板(PDMS)不同的刚度,被用于调查衬底的刚度的影响肺癌的迁移和血管生成。表达基质金属蛋白酶(MMPs)生长因子和血管生成相关监管与基质的增加刚度,而组织的抑制剂基质金属蛋白酶(TIMPs)监管与增加衬底刚度。底物可能促进迁移肺癌的血管生成能力,但也建议治疗针对肺肿瘤刚度或回应的ECs肺肿瘤刚度可能有助于减少移民和肺肿瘤的血管生成。

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