Integrins in the kidney — beyond the matrix

IF 28.6 1区 医学 Q1 UROLOGY & NEPHROLOGY
Fabian Bock, Shensen Li, Ambra Pozzi, Roy Zent
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Abstract

The development and proper functioning of the kidney is dependent on the interaction of kidney cells with the surrounding extracellular matrix (ECM). These interactions are mediated by heterodimeric membrane-bound receptors called integrins, which bind to the ECM via their extracellular domain and via their cytoplasmic tail to intracellular adaptor proteins, to assemble large macromolecular adhesion complexes. These interactions enable integrins to control cellular functions such as intracellular signalling and organization of the actin cytoskeleton and are therefore crucial to organ function. The different nephron segments and the collecting duct system have unique morphologies, functions and ECM environments and are thus equipped with unique sets of integrins with distinct specificities for the ECM with which they interact. These cell-type-specific functions are facilitated by specific intracellular integrin binding proteins, which are critical in determining the integrin activation status, ligand-binding affinity and the type of ECM signals that are relayed to the intracellular structures. The spatiotemporal expression of integrins and their specific interactions with binding partners underlie the proper development, function and repair processes of the kidney. This Review summarizes our current understanding of how integrins, their binding partners and the actin cytoskeleton regulate kidney development, physiology and pathology.

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来源期刊
Nature Reviews Nephrology
Nature Reviews Nephrology 医学-泌尿学与肾脏学
CiteScore
39.00
自引率
1.20%
发文量
127
审稿时长
6-12 weeks
期刊介绍: Nature Reviews Nephrology aims to be the premier source of reviews and commentaries for the scientific communities it serves. It strives to publish authoritative, accessible articles. Articles are enhanced with clearly understandable figures, tables, and other display items. Nature Reviews Nephrology publishes Research Highlights, News & Views, Comments, Reviews, Perspectives, and Consensus Statements. The content is relevant to nephrologists and basic science researchers. The broad scope of the journal ensures that the work reaches the widest possible audience.
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