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Polymerization of Type I and III Collagens Is Dependent On Fibronectin and Enhanced By Integrins α11β1and α2β1
Open accessAbstract
Polymerization of the ECM proteins fibronectin and laminin has been shown to take place in close vicinity to the cell surface and be facilitated by beta(1) integrins (Lohikangas, L., Gullberg, D., and Johansson, S. (2001) Exp. Cell Res. 265, 135-144 and Wennerberg, K., Lohikangas, L., Gullberg, D., Pfaff, M., Johansson, S., and Fassler, R. (1996) J. Cell Biol. 132, 227-238). We have studied the role of collagen receptors, integrins alpha(11)beta(1) and alpha(2)beta(1), and fibronectin in collagen polymerization using fibronectin-deficient mouse embryonic fibroblast cell lines. In contrast to the earlier belief that collagen polymerization occurs via self-assembly of collagen molecules we show that a preformed fibronectin matrix is essential for collagen network formation and that collagen-binding integrins strongly enhance this process. Thus, collagen deposition is regulated by the cells, both indirectly through integrin alpha(5)beta(1)-dependent polymerization of fibronectin and directly through collagen-binding integrins.
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Mao, J. R., Taylor, G., Dean, W. B., Wagner, D. R., Afzal, V., Lotz, J. C., Rubin, E. M., & Bristow, J. (2002) · Nature Genetics · doi:10.1038/ng850 · Cited by 261
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Metadata
- Authors
- Velling, T., Risteli, J., Wennerberg, K., Mosher, D. F., & Johansson, S.
- Venue
- Journal of Biological Chemistry
- Publisher
- Elsevier BV
- Published
- 2002-10
- Volume
- 277
- Issue
- 40
- Pages
- 37377-37381
- ISSN
- 0021-9258 (ISSN-L)
- OpenAlex
- W2019384293
- Cited by
- 357
- References
- 1
- FWCI
- 5.16
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Velling, T., Risteli, J., Wennerberg, K., Mosher, D. F., & Johansson, S. (2002). Polymerization of Type I and III Collagens Is Dependent On Fibronectin and Enhanced By Integrins α11β1and α2β1. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m206286200
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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