Scientific article
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Alternated activation with relaxation of periosteum stimulates bone modeling and remodeling

Published inScientific reports, vol. 14, no. 1, 11136
Publication date2024-05-15
First online date2024-05-15
Abstract

Gradual elevation of the periosteum from the original bone surface, based on the principle of distraction osteogenesis, induces endogenous hard and soft tissue formation. This study aimed to assess the impact of alternating protocols of activation with relaxation (periosteal pumping) on bone modeling and remodeling. One hundred and sixty-two adult male Wistar rats were used in this study. Four test groups with different pumping protocols were created based on the relaxation applied. Two control groups underwent an activation period without relaxation or only a single activation. One group was sham-operated. Periosteal pumping without period of activation induced gene expression in bone and bone remodeling, and following activation period enhanced bone modeling. Four test groups and control group with activation period equaled the values of bone modeling at the end-consolidation period, showing significant downregulation of Sost in the bone and periosteum compared to that in the sham group (p < 0.001 and p < 0.001, respectively). When all test groups were pooled together, plate elevation from the bony surface increased bone remodeling on day 45 of the observation period (p = 0.003). Furthermore, bone modeling was significantly affected by plate elevation on days 17 and 45 (p = 0.047 and p = 0.005, respectively) and by pumping protocol on day 31 (p = 0.042). Periosteal pumping was beneficial for increasing bone repair when the periosteum remained in contact with the underlaying bony surface during the manipulation period. Following periosteal elevation, periosteal pumping accelerated bone formation from the bony surface by the modeling process.

Keywords
  • Bone
  • Bone modeling
  • Bone remodeling
  • Distraction osteogenesis
  • Periosteum
  • Animals
  • Periosteum / metabolism
  • Male
  • Bone Remodeling / physiology
  • Rats, Wistar
  • Rats
  • Osteogenesis / physiology
  • Osteogenesis, Distraction / methods
NoteWrong SNSF grant number 310030_204872 mentioned in the article.
Citation (ISO format)
SAULACIC, Nikola et al. Alternated activation with relaxation of periosteum stimulates bone modeling and remodeling. In: Scientific reports, 2024, vol. 14, n° 1, p. 11136. doi: 10.1038/s41598-024-61902-w
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Additional URL for this publicationhttps://www.nature.com/articles/s41598-024-61902-w
Journal ISSN2045-2322
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