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    In experiments on Wistar rats, a simulated defect in the flat bones of the skull was filled with a collagen sponge of animal origin impregnated with BMP-2 or pure sponge; in control rats, the defect was left open. During follow-up, X-ray density of the collagen sponge in the experimental groups differed significantly. The results attest to the absence of spontaneous remodeling of the bone tissue under conditions modeled focal defect. Moreover, stimulation of reparative processes by the collagen matrix did not lead to positive dynamics. Saturation of the collagen sponge with BMP-2 in a concentration of 0.05 mg/ml allowed increasing Xray density of the bone starting from week 4.


    N V Yarygin, M V Parshikov, A A Prosvirin, V V Gur'ev, M V Govorov, V G Bosykh, V S Akatov, A V Chekanov. Effect of Morphogenetic Protein BMP-2 on X-Ray Density of Bone Defect in the Experiment. Bulletin of experimental biology and medicine. 2020 Feb;168(4):574-577

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    PMID: 32152849

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