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Inhibition of BMP9 Induced Bone Formation by Salicylic-acid Polymer Capping
Journal article   Peer reviewed

Inhibition of BMP9 Induced Bone Formation by Salicylic-acid Polymer Capping

Timothy M Acri, Noah Z Laird, Liu Hong, Jaidev L Chakka, Kyungsup Shin, Satheesh Elangovan and Aliasger K Salem
MRS advances, Vol.4(64), pp.3505-3512
12/2019
DOI: 10.1557/adv.2020.61
PMCID: PMC8078835
PMID: 33912355

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Abstract

This work focuses on the development of a system to control the formation of bone to complement developments that have enabled potent regeneration of bony tissue. Scaffolds were fabricated with chemically modified RNA encoding for bone morphogenetic protein-9 (cmBMP9) and capped with salicylic acid (SA)-containing polymer (SAPAE). The goal was to determine if SAPAE could inhibit the formation of bone in a pilot animal study since cmBMP9 has been demonstrated to be highly effective in regenerating bone in a rat calvarial defect model. The results indicated that cmBMP9 increased bone formation (30% increase in area covered compared to control) and that SAPAE trended toward reducing the bone formation. These results suggest SAPAE could be useful as a chemical agent in reducing unwanted bone formation in implants loaded with cmBMP9.

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