Journal
CYTOKINE & GROWTH FACTOR REVIEWS
Volume 23, Issue 1-2, Pages 61-67Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.cytogfr.2012.02.001
Keywords
Heterodimeric; Homodimeric; Heterodimer; Bone morphogenetic protein; Bone; Signaling
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Heterodimeric bone morphogenetic proteins (BMPs) consist of disulfide-linked dimeric monomers derived from different BMP members. Owing to this specific constitution pattern, they bear high affinity to both type I and type II BMP receptors simultaneously. Meanwhile, the antagonism efficiency of extracellular antagonists to heterodimeric BMPs is also significantly lower than that to homodimeric ones. All these specific properties confer heterodimeric BMPs with distinct signaling and bio-functions that are characterized by more speediness, lower concentration/dose threshold and higher efficiency than homodimeric BMPs. Consequently, heterodimeric BMPs bear promising application potential in inducing osteogenesis. In addition, they may play indispensible roles in organogenesis. In this review, we summarize the current knowledge of heterodimeric BMPs in their signaling pathways and bio-functions. (C) 2012 Elsevier Ltd. All rights reserved.
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