Аpplication of xenogeneic native bone collagen for bone repair in critical-sized rat calvarial defect model
https://doi.org/10.23946/2500-0764-2020-5-2-8-21
Abstract
Aim. To evaluate the efficacy of bone repair using xenogeneic native bone collagen (Bongraf COLLAGEN) as compared to other widely applied orthopaedic solutions (xenogeneic native bone mineral Geistlich Bio-Oss® and bone autograft).
Materials and Methods. We employed a conventional critical-sized (8 mm) rat calvarial defect model (48 Wistar or Sprague-Dawley rats). The artificial defect was repaired using Bongraf COLLAGEN, Geistlich Bio-Oss® utilised as a comparator, bone calvarial autograft, or remained unfilled (n = 6 per group). Rats were euthanised 4 or 12 weeks postimplantation (n = 3 per time point) with the subsequent examination (repair extent, volume, thickness and mineral density of the repaired tissue) by means of microcomputed tomography and hematoxylin and eosin staining.
Results. Expectedly, highest volume, thickness and mineral density of the repaired tissue have been observed in defects filled with autografts. Bongraf COLLAGEN and Geistlich Bio-Oss® also demonstrated a comparable and significant repair capability, yet the former option demonstrated higher bone regeneration rate.
Conclusion. Xenogeneic native bone collagen (Bongraf COLLAGEN) is comparable with xenogeneic native bone mineral (Geistlich Bio-Oss®).
About the Authors
A. V. VeremeevRussian Federation
Dr. Alexey V. Veremeev - MD, PhD, Chief Executive Officer.
Aviakonstruktora Mikoyana Street, 12, А, 2nd Floor, Office 1, Moscow, Russian Federation, 125252
R. N. Bolgarin
Russian Federation
Mr. Roman N. Bolgarin - development director.
Aviakonstruktora Mikoyana Street, 12, А, 2nd Floor, Office 1, Moscow, Russian Federation, 125252
V. G. Nesterenko
Russian Federation
Prof. Vladimir G. Nesterenko - MD, DSc, Professor, Head of the Immunology Department.
Gamaleya Street, 18, Moscow, Russian Federation, 123098
A. A. Andreev-Andrievskiy
Russian Federation
Dr. Alexander A. Andreev-Andrievskiy - PhD, Head of the Center for Preclinical Trials, Mitoengineering Research Institute LLC.
Leninskie Gory Street, 73A, Moscow, Russian Federation, 119330
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