The Effect of Hyperbaric Oxygen Treatment on Myoblasts and Muscles After Contusion Injury

Chih Hao Chiu, Shih Sheng Chang, Gwo Jyh Chang, Alvin Chao Yu Chen, Chun Ying Cheng, Su Ching Chen, Yi Sheng Chan*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

7 Scopus citations


The recommended treatment varies depending on the severity of muscle injuries. The aim of this study was to evaluate the in vitro myoblast proliferation and the in vivo histologic and physiologic effects of hyperbaric oxygen treatment on muscle healing after contusion. Cells from the C2C12 myoblast cell line were exposed to 100% O2 for 25 min then to air for 5 min at 2.5 atmospheres absolute in a hyperbaric chamber for a total treatment duration of 90 min per 48 h at intervals of 2, 4, 6 and 8 days. Cell growth measurements and western blot analysis of myogenin and actin were performed. Then, 18 mice aged 8–10 weeks were used in the muscle contusion model. The histologic and physiologic effects and muscle regeneration after hyperbaric oxygen treatment were evaluated. The myoblast growth rate was significantly higher (p < 0.05) after hyperbaric oxygen treatment. Densitometric evaluation demonstrated a 39% (p < 0.05) and 25% (p < 0.05) increase in myogenin and actin protein levels, respectively, in the cells treated with 1 dose of hyperbaric oxygen. Similarly, the myogenin and actin protein levels increased for samples receiving multiple hyperbaric oxygen treatments when compared with the control. Physiologic evaluation of fast twitch and tetanus strength revealed a significant difference between the control group and the 14-day hyperbaric oxygen group. In conclusion, hyperbaric oxygen treatment increases the myoblast growth rate and myogenin and actin production. Better histologic and physiologic performance were found after hyperbaric oxygen treatment in animal contusion model.

Original languageEnglish
Pages (from-to)329-335
Number of pages7
JournalJournal of Orthopaedic Research
Issue number2
StatePublished - 01 02 2020

Bibliographical note

Publisher Copyright:
© 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc.


  • hyperbaric oxygen treatment
  • muscle contusion
  • myoblasts


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