Focused in vivo genetic analysis of implanted engineered myofascial constructs

John T. Propst, Stephen A. Fann, Jessica L. Franchini, Karyn J. Hansen, Michael J. Yost, Susan M. Lessner, Louis Terracio

Research output: Contribution to journalArticle

Abstract

Successfully engineering functional muscle tissue either in vitro or in vivo to treat muscle defects rather than using the host muscle transfer would be revolutionary. Tissue engineering is on the cutting edge of biomedical research, bridging a gap between the clinic and the bench top. A new focus on skeletal muscle tissue engineering has led investigators to explore the application of satellite cells (autologous muscle precursor cells) as a vehicle for engineering tissues either in vitro or in vivo. However, few skeletal muscle tissue-engineering studies have reported on successful generation of living tissue substitutes for functional skeletal muscle replacement. Our model system combines a novel aligned collagen tube and autologous skeletal muscle satellite cells to create an engineered tissue repair for a surgically created ventral hernia as previously reported [SA Fann, L Terracio, W Yan, et al., A model of tissue-engineered ventral hernia repair, J Invest Surg. 2006;19(3):193-205]. Several key features we specifically observe are the significant persistence of transplanted skeletal muscle cell mass within the engineered repair, the integration of new tissue with adjacent native muscle, and the presence of significant neovascularization. In this study, we report on our experience investigating the genetic signals important to the integration of neoskeletal muscle tissue. The knowledge gained from our model system applies to the repair of severely injured extremities, maxillofacial reconstructions, and restorative procedures following tumor excision in other areas of the body.

Original languageEnglish (US)
Pages (from-to)35-45
Number of pages11
JournalJournal of Investigative Surgery
Volume22
Issue number1
DOIs
StatePublished - 2009

Fingerprint

Muscles
Tissue Engineering
Skeletal Muscle
Ventral Hernia
Skeletal Muscle Satellite Cells
Myoblasts
Herniorrhaphy
Muscle Cells
Biomedical Research
Collagen
Extremities
Research Personnel
Neoplasms
In Vitro Techniques

Keywords

  • Inflammation
  • Microarray
  • Satellite cell
  • Skeletal muscle
  • Tissue engineering
  • Ventral hernia

ASJC Scopus subject areas

  • Surgery

Cite this

Propst, J. T., Fann, S. A., Franchini, J. L., Hansen, K. J., Yost, M. J., Lessner, S. M., & Terracio, L. (2009). Focused in vivo genetic analysis of implanted engineered myofascial constructs. Journal of Investigative Surgery, 22(1), 35-45. https://doi.org/10.1080/08941930802566748

Focused in vivo genetic analysis of implanted engineered myofascial constructs. / Propst, John T.; Fann, Stephen A.; Franchini, Jessica L.; Hansen, Karyn J.; Yost, Michael J.; Lessner, Susan M.; Terracio, Louis.

In: Journal of Investigative Surgery, Vol. 22, No. 1, 2009, p. 35-45.

Research output: Contribution to journalArticle

Propst, JT, Fann, SA, Franchini, JL, Hansen, KJ, Yost, MJ, Lessner, SM & Terracio, L 2009, 'Focused in vivo genetic analysis of implanted engineered myofascial constructs', Journal of Investigative Surgery, vol. 22, no. 1, pp. 35-45. https://doi.org/10.1080/08941930802566748
Propst, John T. ; Fann, Stephen A. ; Franchini, Jessica L. ; Hansen, Karyn J. ; Yost, Michael J. ; Lessner, Susan M. ; Terracio, Louis. / Focused in vivo genetic analysis of implanted engineered myofascial constructs. In: Journal of Investigative Surgery. 2009 ; Vol. 22, No. 1. pp. 35-45.
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