Abstract
The β1 family of integrins has been primarily studied as a set of receptors for the extracellular matrix. In this paper, we define a novel role for α3β1 integrin in association with the tetraspanin CD151 as a component of a cell–cell adhesion complex in epithelial cells that directly stimulates cadherin-mediated adhesion. The integrin–tetraspanin complex affects epithelial cell–cell adhesion at the level of gene expression both by regulating expression of PTPμ and by organizing a multimolecular complex containing PKCβII, RACK1, PTPμ, β-catenin, and E-cadherin. These findings demonstrate how integrin-based signaling can regulate complex biological responses at multiple levels to determine cell morphology and behavior.
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Dates
Type | When |
---|---|
Created | 21 years, 8 months ago (Dec. 22, 2003, 7:07 p.m.) |
Deposited | 2 years, 1 month ago (July 22, 2023, 10:52 a.m.) |
Indexed | 4 months, 3 weeks ago (April 6, 2025, 5:22 p.m.) |
Issued | 21 years, 8 months ago (Dec. 22, 2003) |
Published | 21 years, 8 months ago (Dec. 22, 2003) |
Published Online | 21 years, 8 months ago (Dec. 22, 2003) |
Published Print | 21 years, 8 months ago (Dec. 22, 2003) |
@article{Chattopadhyay_2003, title={α3β1 integrin–CD151, a component of the cadherin–catenin complex, regulates PTPμ expression and cell–cell adhesion}, volume={163}, ISSN={0021-9525}, url={http://dx.doi.org/10.1083/jcb.200306067}, DOI={10.1083/jcb.200306067}, number={6}, journal={The Journal of Cell Biology}, publisher={Rockefeller University Press}, author={Chattopadhyay, Nibedita and Wang, Zemin and Ashman, Leonie K. and Brady-Kalnay, Susann M. and Kreidberg, Jordan A.}, year={2003}, month=dec, pages={1351–1362} }