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Han, Weijing; Chen, Shaohua; Yuan, Wei; Fan, Qihui; Tian, Jianxiang; Wang, Xiaochen; Chen, Longqing; Zhang, Xixiang; Wei, Weili; Liu, Ruchuan; Qu, Junle; Jiao, Yang; Austin, Robert H.; Liu, Liyu
Proceedings of the National Academy of Sciences - PNAS, 10/2016, Letnik: 113, Številka: 40Journal Article
In this work, we constructed a Collagen I–Matrigel composite extracellular matrix (ECM). The composite ECM was used to determine the influence of the local collagen fiber orientation on the collective intravasation ability of tumor cells. We found that the local fiber alignment enhanced cell–ECM interactions. Specifically, metastatic MDA-MB-231 breast cancer cells followed the local fiber alignment direction during the intravasation into rigid Matrigel (∼10 mg/mL protein concentration).
