Functional Interaction of an Axin Homolog, Conductin, with β-Catenin, APC, and GSK3β

  • Jürgen Behrens
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Boris-Alexander Jerchow
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Martin Würtele
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Jan Grimm
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Christian Asbrand
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Ralph Wirtz
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Michael Kühl
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Doris Wedlich
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.
  • Walter Birchmeier
    J. Behrens, B.-A. Jerchow, M. Würtele, J. Grimm, C. Asbrand, R. Wirtz, W. Birchmeier, Max Delbrück Center for Molecular Medicine, Robert-Rössle-Strasse 10, 13122 Berlin, Germany.

抄録

<jats:p> Control of stability of β-catenin is central in the wnt signaling pathway. Here, the protein conductin was found to form a complex with both β-catenin and the tumor suppressor gene product adenomatous polyposis coli (APC). Conductin induced β-catenin degradation, whereas mutants of conductin that were deficient in complex formation stabilized β-catenin. Fragments of APC that contained a conductin-binding domain also blocked β-catenin degradation. Thus, conductin is a component of the multiprotein complex that directs β-catenin to degradation and is located downstream of APC. In <jats:italic>Xenopus</jats:italic> embryos, conductin interfered with wnt-induced axis formation. </jats:p>

収録刊行物

  • Science

    Science 280 (5363), 596-599, 1998-04-24

    American Association for the Advancement of Science (AAAS)

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