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Cited by 228

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DRAGON, a Bone Morphogenetic Protein Co-receptor

Open access
Samad, Tarek A., Rebbapragada, Anuradha, Bell, Esther, Zhang, Ying, Sidis, Yisrael, Jeong, Sung-Jin, Campagna, Jason A., Perusini, Stephen, Fabrizio, David A., Schneyer, Alan L., Lin, Herbert Y., Brivanlou, Ali H., Attisano, Liliana, Woolf, Clifford J.·2005·Journal of Biological Chemistry

Abstract

Bone morphogenetic proteins (BMPs) are members of the transforming growth factor (TGF)beta superfamily of ligands that regulate many crucial aspects of embryonic development and organogenesis. Unlike other TGFbeta ligands, co-receptors for BMP ligands have not been described. Here we show that DRAGON, a glycosylphosphatidylinositol-anchored member of the repulsive guidance molecule family, which is expressed early in the developing nervous system, enhances BMP but not TGFbeta signaling. DRAGON binds directly to BMP2 and BMP4 but not to BMP7 or other TGFbeta ligands. The enhancing action of DRAGON on BMP signaling is also reduced by administration of Noggin, a soluble BMP antagonist, indicating that the action of DRAGON is ligand-dependent. DRAGON associates directly with BMP type I (ALK2, ALK3, and ALK6) and type II (ActRII and ActRIIB) receptors, and its signaling is reduced by dominant negative Smad1 and ALK3 or -6 receptors. In the Xenopus embryo, DRAGON both reduces the threshold of the ability of Smad1 to induce mesodermal and endodermal markers and alters neuronal and neural crest patterning. The direct interaction of DRAGON with BMP ligands and receptors indicates that it is a BMP co-receptor that potentiates BMP signaling.

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Metadata

Authors
Samad, T. A., Rebbapragada, A., Bell, E., Zhang, Y., Sidis, Y., Jeong, S.-J., Campagna, J. A., Perusini, S., Fabrizio, D. A., Schneyer, A. L., Lin, H. Y., Brivanlou, A. H., Attisano, L., & Woolf, C. J.
Venue
Journal of Biological Chemistry
Publisher
Elsevier BV
Published
2005-04
Volume
280
Issue
14
Pages
14122-14129
ISSN
0021-9258 (ISSN-L)
OpenAlex
W2150873412
Cited by
228
References
1
FWCI
7.14
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: DRAGON, a Bone Morphogenetic Protein Co-receptor. https://app.cochat.ai/papers/10.1074/jbc.m410034200
The paper
Samad, T. A., Rebbapragada, A., Bell, E., Zhang, Y., Sidis, Y., Jeong, S.-J., Campagna, J. A., Perusini, S., Fabrizio, D. A., Schneyer, A. L., Lin, H. Y., Brivanlou, A. H., Attisano, L., & Woolf, C. J. (2005). DRAGON, a Bone Morphogenetic Protein Co-receptor. Journal of Biological Chemistry. https://doi.org/10.1074/jbc.m410034200

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