SOYBEAN-BASED BIOMATERIALS PROMOTE BONE GROWTH IN VIVO
2018
A new class of soybean-based biomaterials has been presented to the scientific community (patent PCT/GB01/03464) that shows good mechanical properties and an intrinsic anti-inflammatory potential, probably related to the phyto-hormone Genistein. This plant iso-flavone is also reported to inhibit osteoclastic activity.De-fatted soybean curd was prepared into granules which were subsequently implanted in a cylindrical cavity drilled into the femoral canal of New Zealand White rabbits. Retrieved femurs were embedded in polymethyl-meta-acrylate and samples were analysed by back-scattered electron microscopy (BSEM). Retrieved, operated femurs showed a macroscopic appearance similar to the non-operated controls. BSEM showed that granules were still present at the site of implantation after 8 weeks, but a clear progressive degradation took place from the periphery to the centre of the femural canal already after 3 weeks. The degradation of the granule was accompanied by the production of new trabeculae apposed t...
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