Abstract
The shortest functional domains of growth factor Bone Morphogenetic Protein 2 (BMP-2) that are dynamical implicated in osteogenesis have been investigated and well characterized. In particular, the broad C-terminal region expanding from Val63 to Arg114 as well as its shorter sequence 86-AISMLYLDEN-95 exhibited the highest osteogenic ability for regeneration and reconstruction of bone tissue. In addition, the amino acids Ser88 and Leu90 have been identified as crucial for receptor binding and osteogenic efficacy. Furthermore, the above-mentioned domains in contrary to full length BMP-2 protein signal mainly through the Smad pathway as it is evidenced by phosphorylation decrease of Extracellular-signal-Regulated Kinase (ERK1/2). Taking together, our results are significant for clinical applications regarding the generation of biomaterials and healing of orthopedic fractures.
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