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Recombinant human type II collagen as a material for cartilage tissue engineering.
Institute of Biomedicine, Department of Anatomy, University of Kuopio, Kuopio, Finland; Department of Orthopaedics and Traumatology, Jyväskylä Central Hospital, Jyväskylä, Finland.
Institute of Biomedicine, Department of Anatomy, University of Kuopio, Kuopio, Finland; Department of Orthopaedics and Traumatology, Jyväskylä Central Hospital, Jyväskylä, Finland.
Institute of Biomedicine, Department of Anatomy, University of Kuopio, Kuopio, Finland; Department of Orthopaedics and Traumatology, Jyväskylä Central Hospital, Jyväskylä, Finland.
Bioprocess Engineering Laboratory, University of Oulu, Oulu, Finland.
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2008 (English)In: International Journal of Artificial Organs, ISSN 0391-3988, E-ISSN 1724-6040, Vol. 31, no 11, 960-969 p., 19089798Article in journal (Refereed) Published
Abstract [en]

PURPOSE: Collagen type II is the major component of cartilage and would be an optimal scaffold material for reconstruction of injured cartilage tissue. In this study, the feasibility of recombinant human type II collagen gel as a 3-dimensional culture system for bovine chondrocytes was evaluated in vitro.

METHODS: Bovine chondrocytes (4x106 cells) were seeded within collagen gels and cultivated for up to 4 weeks. The gels were investigated with confocal microscopy, histology, and biochemical assays.

RESULTS: Confocal microscopy revealed that the cells maintained their viability during the entire cultivation period. The chondrocytes were evenly distributed inside the gels, and the number of cells and the amount of the extracellular matrix increased during cultivation. The chondrocytes maintained their round phenotype during the 4-week cultivation period. The glycosaminoglycan levels of the tissue increased during the experiment. The relative levels of aggrecan and type II collagen mRNA measured with realtime polymerase chain reaction (PCR) showed an increase at 1 week.

CONCLUSION: Our results imply that recombinant human type II collagen is a promising biomaterial for cartilage tissue engineering, allowing homogeneous distribution in the gel and biosynthesis of extracellular matrix components.

Place, publisher, year, edition, pages
Wichtig Editore Srl, 2008. Vol. 31, no 11, 960-969 p., 19089798
Keyword [en]
Chondrocyte, recombinant type II collagen, tissue engineering, proteoglycans
National Category
Cell and Molecular Biology Orthopedics Medical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy) Biomaterials Science
Research subject
cellforskning; Biochemistry; Orthopaedics; Materials Science
Identifiers
URN: urn:nbn:se:umu:diva-106541PubMedID: 19089798OAI: oai:DiVA.org:umu-106541DiVA: diva2:842288
Available from: 2015-07-17 Created: 2015-07-17 Last updated: 2017-12-04

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Lammi, Mikko
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Cell and Molecular BiologyOrthopedicsMedical Biotechnology (with a focus on Cell Biology (including Stem Cell Biology), Molecular Biology, Microbiology, Biochemistry or Biopharmacy)Biomaterials Science

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