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Cold Spring Harb Perspect Biol. 2011 Jul 1;3(7). pii: a005041. doi: 10.1101/cshperspect.a005041.

Fibronectins, their fibrillogenesis, and in vivo functions.

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1
Department of Molecular Biology, Princeton University, Princeton, New Jersey 08544, USA. jschwarz@princeton.edu

Abstract

Fibronectin (FN) is a multidomain protein with the ability to bind simultaneously to cell surface receptors, collagen, proteoglycans, and other FN molecules. Many of these domains and interactions are also involved in the assembly of FN dimers into a multimeric fibrillar matrix. When, where, and how FN binds to its various partners must be controlled and coordinated during fibrillogenesis. Steps in the process of FN fibrillogenesis including FN self-association, receptor activities, and intracellular pathways have been under intense investigation for years. In this review, the domain organization of FN including the extra domains and variable region that are controlled by alternative splicing are described. We discuss how FN-FN and cell-FN interactions play essential roles in the initiation and progression of matrix assembly using complementary results from cell culture and embryonic model systems that have enhanced our understanding of this process.

PMID:
21576254
PMCID:
PMC3119908
DOI:
10.1101/cshperspect.a005041
[Indexed for MEDLINE]
Free PMC Article
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