Dynamic interplay between the collagen scaffold and tumor evolution.

Dynamic interplay between the collagen scaffold and tumor evolution.
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DOI:
10.1016/j.ceb.2010.08.015
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发表时间:
2010-10
影响因子:
7.5
通讯作者:
Weaver, Valerie M.
Weaver, Valerie M.
中科院分区:
生物学2区
文献类型:
--
作者:
Egeblad, Mikala;Rasch, Morten G.;Weaver, Valerie M.

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细胞外基质(ECM)是细胞和组织功能的关键调节因子。传统上,ECM主要被认为是一种将细胞和组织结合在一起的物理支架。然而,ECM也引发生化和生物物理信号。ECM网络的受控蛋白水解和重塑调节组织张力,产生迁移途径,并释放ECM蛋白片段,以指导正常的发育过程,如分支形态发生。胶原是ECM的主要成分,其中基底膜IV型和间质基质I型最为常见。在这里,我们讨论了这些胶原蛋白的异常表达、蛋白水解和结构如何影响细胞功能,从而引发对肿瘤的多种影响,包括增殖、起始、侵袭、转移和治疗反应。
The extracellular matrix (ECM) is a key regulator of cell and tissue function. Traditionally, the ECM has been thought of primarily as a physical scaffold that binds cells and tissues together. However, the ECM also elicits biochemical and biophysical signaling. Controlled proteolysis and remodeling of the ECM network regulate tissue tension, generate pathways for migration, and release ECM protein fragments to direct normal developmental processes such as branching morphogenesis. Collagens are major components of the ECM of which basement membrane type IV and interstitial matrix type I are the most prevalent. Here we discuss how abnormal expression, proteolysis and structure of these collagens influence cellular functions to elicit multiple effects on tumors, including proliferation, initiation, invasion, metastasis, and therapy response.
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