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首页> 外文期刊>Combinatorial Chemistry & High Throughput Screening >Haptotactic Gradients for Directed Cell Migration: Stimulation and Inhibition Using Soluble Factors
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Haptotactic Gradients for Directed Cell Migration: Stimulation and Inhibition Using Soluble Factors

机译:定向细胞迁移的触角梯度:使用可溶性因子的刺激和抑制。

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A recently developed technique for the measurement of cell migration on surface bound gradients was used to assay the behavior of microvascular endothelial cells on a range of fibronectin gradient slopes in the presence of soluble promoters and inhibitors of chemotaxis. Directional microvascular endothelial cell migration was shown to increase with increasing gradient slope with no significant change in cellular persistence time or random cell speed. Uniformly distributed soluble chemotactic factor in the hMEC growth media enhanced directional migration. The addition of migrationinhibiting LY294002 eliminated the directional component of cell migration at a 5 μM dosing. These experiments broaden the understanding of the directional nature of cell motion and present a reliable system for the quantitative study of cell migration in complex conditions in vitro.
机译:使用最近开发的用于在表面结合梯度上测量细胞迁移的技术来分析在可溶性启动子和趋化性抑制剂存在的情况下,微血管内皮细胞在一系列纤连蛋白梯度斜率上的行为。定向微血管内皮细胞迁移显示出随着梯度斜率的增加而增加,而细胞持续时间或随机细胞速度没有明显变化。 hMEC生长培养基中均匀分布的可溶性趋化因子增强了定向迁移。加入抑制迁移的LY294002在5μM剂量时消除了细胞迁移的方向性成分。这些实验拓宽了对细胞运动的方向性的理解,并为定量研究复杂条件下体外细胞迁移提供了可靠的系统。

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