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- W2153485816 abstract "Using phage display, we identified Na + /H + exchanger regulatory factor (NHERF)-2 as a novel binding partner for the cadherin-associated protein, β-catenin. We showed that the second of two PSD-95/Dlg/ZO-1 (PDZ) domains of NHERF interacts with a PDZ-binding motif at the very carboxy terminus of β-catenin. N-cadherin expression has been shown to induce motility in a number of cell types. The first PDZ domain of NHERF is known to bind platelet-derived growth factor-receptor β (PDGF-Rβ), and the interaction of PDGF-Rβ with NHERF leads to enhanced cell spreading and motility. Here we show that β-catenin and N-cadherin are in a complex with NHERF and PDGF-Rβ at membrane ruffles in the highly invasive fibrosarcoma cell line HT1080. Using a stable short hairpin RNA system, we showed that HT1080 cells knocked down for either N-cadherin or NHERF had impaired ability to migrate into the wounded area in a scratch assay, similar to cells treated with a PDGF-R kinase inhibitor. Cells expressing a mutant NHERF that is unable to associate with β-catenin had increased stress fibers, reduced lamellipodia, and impaired cell migration. Using HeLa cells, which express little to no PDGF-R, we introduced PDGF-Rβ and showed that it coimmunoprecipitates with N-cadherin and that PDGF-dependent cell migration was reduced in these cells when we knocked-down expression of N-cadherin or NHERF. These studies implicate N-cadherin and β-catenin in cell migration via PDGF-R–mediated signaling through the scaffolding molecule NHERF." @default.
- W2153485816 created "2016-06-24" @default.
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- W2153485816 creator A5041592939 @default.
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- W2153485816 date "2007-04-01" @default.
- W2153485816 modified "2023-09-23" @default.
- W2153485816 title "NHERF Links the N-Cadherin/Catenin Complex to the Platelet-derived Growth Factor Receptor to Modulate the Actin Cytoskeleton and Regulate Cell Motility" @default.
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- W2153485816 doi "https://doi.org/10.1091/mbc.e06-10-0960" @default.
- W2153485816 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/1838972" @default.
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