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- W2996488012 abstract "The advent of cell-cell and cell-extracellular adhesion enabled cells to interact in a coherent manner, forming larger structures and giving rise to the development of tissues, organs and complex multicellular life forms. The development of such organisms required tight regulation of dynamic adhesive structures by signalling pathways that coordinate cell attachment. Integrin-mediated adhesion to the extracellular matrix provides cells with support, survival signals, and context-dependent cues that enable cells to run different cellular programs. One mysterious aspect of the process is how hundreds of proteins assemble seemingly spontaneously onto the activated integrin. An emerging concept is that adhesion assembly is regulated by autoinhibition of key proteins, a highly dynamic event that is modulated by a variety of signalling events. By enabling precise control of the activation state of proteins, autoinhibition enables localisation of inactive proteins and the formation of pre-complexes. In response to the correct signals, these proteins become active and interact with other proteins, ultimately leading to development of cell-matrix junctions. Autoinhibition of key components of such adhesion complexes – including core components integrin, talin, vinculin and FAK and important peripheral regulators such as RIAM, Src and DLC1 – leads to a view that the majority of proteins involved in complex assembly might be regulated by intramolecular interactions. Autoinhibition is relieved via multiple different signals including post-translation modification and proteolysis. More recently, mechanical forces have been shown to stabilise and increase the lifetimes of active conformations, identifying autoinhibition as a means of encoding mechanosensitivity. The complexity and scope for nuanced adhesion dynamics facilitated via autoinhibition provides numerous points of regulation. In this review, we discuss what is known about this mode of regulation, and how it leads to rapid and tightly controlled assembly and disassembly of cell-matrix adhesion." @default.
- W2996488012 created "2019-12-26" @default.
- W2996488012 creator A5061174255 @default.
- W2996488012 creator A5076485666 @default.
- W2996488012 date "2019-12-17" @default.
- W2996488012 modified "2023-10-09" @default.
- W2996488012 title "Adhesions Assemble!—Autoinhibition as a Major Regulatory Mechanism of Integrin-Mediated Adhesion" @default.
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