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Cited by 257

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The Epidermal Growth Factor Receptor Regulates Interaction of the Human DF3/MUC1 Carcinoma Antigen with c-Src and β-Catenin

Open access
Li, Quan, Kuwahara, Hiroaki, Yin, Li, Li, Yongqing, Ren, Jian, Yu, Wei-hsuan, Carraway, Kermit L., Kufe, Donald·2001·Journal of Biological Chemistry

Abstract

The DF3/MUC1 mucin-like, transmembrane glycoprotein is aberrantly overexpressed in most human carcinomas. The MUC1 cytoplasmic domain interacts with the c-Src tyrosine kinase and thereby increases binding of MUC1 and beta-catenin. In the present work, coimmunoprecipitation studies demonstrate that MUC1 associates constitutively with the epidermal growth factor receptor (EGF-R) in human ZR-75-1 breast carcinoma cells. Immunofluorescence studies show that EGF-R and MUC1 associate at the cell membrane. We also show that the activated EGF-R phosphorylates the MUC1 cytoplasmic tail on tyrosine at a YEKV motif that functions as a binding site for the c-Src SH2 domain. The results demonstrate that EGF-R-mediated phosphorylation of MUC1 induces binding of MUC1 to c-Src in cells. Moreover, in vitro and in vivo studies demonstrate that EGF-R increases binding of MUC1 and beta-catenin. These findings support a novel role for EGF-R in regulating interactions of MUC1 with c-Src and beta-catenin.

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Research works printed but not linked: 18

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Metadata

Authors
Li, Q., Kuwahara, H., Yin, L., Li, Y., Ren, J., Yu, W.-H., Carraway, K. L., & Kufe, D.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2001-09
Volume
276
Issue
38
Pages
35239-35242
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2076370383
Cited by
257
References
2
FWCI
6.11
Type
journal article
Language
en
Open access
hybrid
Licence

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CoChat. (2026). Citation check: The Epidermal Growth Factor Receptor Regulates Interaction of the Human DF3/MUC1 Carcinoma Antigen with c-Src and β-Catenin. https://app.cochat.ai/papers/10.1074/jbc.c100359200
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Li, Q., Kuwahara, H., Yin, L., Li, Y., Ren, J., Yu, W.-H., Carraway, K. L., & Kufe, D. (2001). The Epidermal Growth Factor Receptor Regulates Interaction of the Human DF3/MUC1 Carcinoma Antigen with c-Src and β-Catenin. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.c100359200

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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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