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Related Experiment Video

Updated: Jul 13, 2026

Fabrication of a Functionalized Magnetic Bacterial Nanocellulose with Iron Oxide Nanoparticles
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Published on: May 26, 2016

In Vitro and In Vivo Biocompatibility of Bacterial Cellulose.

Vincent-Daniel Girard1,2,3, Jérémie Chaussé1,2,3, Martin Borduas2,4

  • 1Laboratoire de bio-ingénierie et de biophysique de l'Université de Sherbrooke, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, Québec, Canada.

Journal of Biomedical Materials Research. Part B, Applied Biomaterials
|October 3, 2024
PubMed
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Native bacterial cellulose shows no cytotoxicity and can be a cost-effective biomedical material for soft-tissue implants. However, endotoxin removal is crucial to minimize inflammation for safe in vivo applications.

Area of Science:

  • Biomaterials Science
  • Tissue Engineering
  • Medical Device Development

Background:

  • Bacterial cellulose (BC) is a promising biomaterial for biomedical applications.
  • Current soft-tissue implants are costly.
  • BC offers a potential cost-effective alternative for wound healing and tissue regeneration.

Purpose of the Study:

  • To evaluate the in vitro cytotoxicity and in vivo biocompatibility of native BC.
  • To determine the inflammatory response to BC implants in rats.
  • To assess the impact of endotoxins on BC biocompatibility.

Main Methods:

  • In vitro cytotoxicity assays using fibroblast and rat insulinoma cell lines.
  • In vivo subcutaneous implantation of BC membranes in Sprague-Dawley rats for 1 and 12 weeks.
Keywords:
bacterial cellulosebiocompatibilitycytotoxicityimplantsin vitroin vivolipopolysaccharides (LPS) and depyrogenationmedical devicesmembranes

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  • Histological analysis (hematoxylin and eosin staining) and Limulus amebocyte lysate (LAL) test for endotoxin detection.

    • Main Results:

    • Native BC exhibited no cytotoxicity in vitro.
    • Initial in vivo studies showed acute and chronic inflammation, with endotoxin presence confirmed by LAL test.
    • Post-endotoxin clearance, BC implants demonstrated reduced inflammation, with mild inflammation at 1 week and minimal inflammation at 2 weeks.

    Conclusions:

    • Purified native bacterial cellulose is non-cytotoxic and can be a cost-effective biomedical material.
    • Endotoxin contamination in native BC causes significant inflammation in vivo.
    • Effective endotoxin clearance is essential for the successful application of BC as a biomedical device for soft-tissue repair.