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Cardiomyocyte Differentiation through BMP Receptors

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BMP (Bone Morphogenetic Protein) Receptors are essential, beyond the egg cylinder stage, for myocyte-dependent functions and signals in cardiac organogenesis. ALK3 (Activin Receptor-Like Kinase-3) is specifically required at mid-gestation for normal development of the trabeculae, compact myocardium, interventricular septum and endocardial cushion. The invariable defects in myocardium results from congenital deletion of ALK3 and this provide strong support for its assessment as a candidate gene in human congenital heart disease. BMPs like BMP2, BMP4 and BMP5, BMP7, BMP10, bind to Serine/threonine kinase receptors, Type-I (ALK3 and ALK6) and Type-II, BMPR2 (Bone Morphogenetic Protein Receptor Type-II), respectively, and form a heteromeric signaling complex acting in series (Ref.1). In the presence of ligand, the Type-II receptor phosphorylates the Type-I receptors, which activate [...]


1.Bone Morphogenetic Protein (BMP) signaling in development and human diseases.
Wang RN, Green J, Wang Z, Deng Y, Qiao M, Peabody M, Zhang Q, Ye J, Yan Z, Denduluri S, Idowu O, Li M, Shen C, Hu A, Haydon RC, Kang R, Mok J, Lee MJ, Luu HL, Shi LL.
Genes Dis. 2014 Sep;1(1):87-105.
2.BMP-SMAD signalling output is highly regionalized in cardiovascular and lymphatic endothelial networks.
Beets K, Staring MW, Criem N, Maas E, Schellinx N, de Sousa Lopes SM, Umans L, Zwijsen A.
BMC Dev Biol. 2016 Oct 10;16(1):34.
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