AMOT130 drives BMP-SMAD signaling at the apical membrane in polarized cells

Author:

Brunner Patrizia12,Hastar Nurcan13,Kaehler Christian1,Burdzinski Wiktor1,Jatzlau Jerome13,Knaus Petra13

Affiliation:

1. Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany

2. Berlin School of Integrative Oncology, Charité–Universitätsmedizin Berlin, 13353 Berlin, Germany

3. Berlin-Brandenburg School for Regenerative Therapies, Charité–Universitätsmedizin Berlin, 13353 Berlin, Germany

Abstract

We found that the tight-junction protein angiomotin (AMOT130) interacts with the BMP receptor BMPR2 and thereby supports BMP/SMAD signaling exclusively at the apical side of polarized epithelial and endothelial cells. BMP-mediated internalization of AMOT discerns BMPs as novel regulators of AMOT function.

Publisher

American Society for Cell Biology (ASCB)

Subject

Cell Biology,Molecular Biology

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