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Molecular cloning and characterization of human bone morphogenic protein (BMP)-5 gene promoter
M Sakaue1, S Kitazawa, K Nishida
1Second Department of Pathology, Kobe University School of Medicine, Japan.
Abstract:
The bone morphogenic proteins (BMPs) constitute a novel subfamily of the transforming growth factor type beta (TGF-beta) supergene family and play a critical role in modulating mesenchymal differentiation and inducing the processes of cartilage and bone formation. In this study we isolated the 5'-flanking region of the human BMP-5 gene. Nucleotide sequencing, primer extension, DNase I foot printing and functional analysis by transient expression showed that the cloned 1.5 kb promoter region contains two transcription start sites, a canonical TATA box (-17 approximately -12) and a number of consensus recognition sequences including GATA-1 (-582 approximately -576) and engrailed (-549 approximately -541).