Pulsed-low intensity ultrasound enhances extracellular matrix production by fibroblasts encapsulated in alginate

Siti P.M. Bohari, Liam M. Grover, David W.L. Hukins

Research output: Contribution to journalArticlepeer-review

12 Citations (Scopus)

Abstract

In this study, the effect of pulsed-low intensity ultrasound on cell proliferation, collagen production and glycosaminoglycan deposition by 3T3 fibroblasts encapsulated in alginate was evaluated. Hoechst 33258 assay for cell number, hydroxyproline assay for collagen content and dimethylamine blue assay for glycosaminoglycan content were performed on samples from cell cultures treated with pulsed-low intensity ultrasound and a control group. Pulsed-low intensity ultrasound shows no effect on cell proliferation, while collagen and glycosaminoglycan contents were consistently higher in the samples treated with pulsed-low intensity ultrasound, showing a statistically significant difference (p < 0.05) on day 10. Alcian blue staining showed that glycosaminoglycans were deposited around the cells in both groups. These results suggest that pulsed-low intensity ultrasound shows no effect on cell proliferation but has potential for inducing collagen and glycosaminoglycan production in cells cultured in alginate gels.

Original languageEnglish
Pages (from-to)1-7
Number of pages7
JournalJournal of Tissue Engineering
Volume3
Issue number1
DOIs
Publication statusPublished - 1 Dec 2012

Keywords

  • Alginate
  • Collagen
  • Fibroblast cells
  • Glycosaminoglycan
  • Ultrasound

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Biomaterials
  • Biomedical Engineering

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