Article
LRP1-dependent endocytic mechanism governs the signaling output of the bmp system in endothelial cells and in angiogenesis.
Circulation research - 17 Aug 2012
Pi Xinchun, Schmitt Christopher E, Xie Liang, Portbury Andrea L, Wu Yaxu, Lockyer Pamela, Dyer Laura A, Moser Martin, Bu Guojun, Flynn Edward J, Jin Suk-Won, Patterson Cam
Abstract excerpt
RATIONALE: Among the extracellular modulators of Bmp (bone morphogenetic protein) signaling, Bmper (Bmp endothelial cell precursor-derived regulator) both enhances and inhibits Bmp signaling. Recently we found that Bmper modulates Bmp4 activity via a concentration-dependent, endocytic trap-and-sink mechanism. OBJECTIVE: To investigate the molecular mechanisms required for endocytosis of the Bmper/Bmp4 and...
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