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Interstitial cell migration: integrin-dependent and alternative adhesion mechanisms

机译:间质细胞迁移:整合素依赖性和替代粘附机制。

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摘要

Adhesion and migration are integrated cell functions that build, maintain and remodel the multicellular organism. In migrating cells, integrins are the main transmembrane receptors that provide dynamic interactions between extracellular ligands and actin cytoskeleton and signalling machineries. In parallel to integrins, other adhesion systems mediate adhesion and cytoskeletal coupling to the extracellular matrix (ECM). These include multifunctional cell surface receptors (syndecans and CD44) and discoidin domain receptors, which together coordinate ligand binding with direct or indirect cytoskeletal coupling and intracellular signalling. We review the way that the different adhesion systems for ECM components impact cell migration in two- and three-dimensional migration models. We further discuss the hierarchy of these concurrent adhesion systems, their specific tasks in cell migration and their contribution to migration in three-dimensional multi-ligand tissue environments. Keywords Cell adhesion - Cell migration - Integrins - Extracellular matrix - Cytoskeleton This work was supported by a grant from the Dutch Cancer Foundation (KWF 2008–4031).
机译:粘附和迁移是构建,维持和重塑多细胞生物的集成细胞功能。在迁移细胞中,整联蛋白是主要的跨膜受体,可提供细胞外配体与肌动蛋白细胞骨架和信号传导机制之间的动态相互作用。与整联蛋白平行,其他粘附系统介导粘附和细胞骨架偶联至细胞外基质(ECM)。这些包括多功能细胞表面受体(syndecans和CD44)和盘状蛋白结构域受体,它们一起通过直接或间接的细胞骨架偶联和细胞内信号传导协调配体结合。我们回顾了在二维和三维迁移模型中,ECM组件的不同粘附系统影响细胞迁移的方式。我们进一步讨论了这些并发的粘附系统的层次结构,它们在细胞迁移中的特定任务以及它们对三维多配体组织环境中迁移的贡献。关键词细胞粘附-细胞迁移-整合素-细胞外基质-细胞骨架这项工作得到了荷兰癌症基金会的资助(KWF 2008–4031)。

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