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Transplantation of cultured human keratinocytes in single cell suspension: a comparative in vitro study of different application techniques.
Inst för Experimentell och Klinisk medicin, Linköping.
Inst för Experimentell och Klinisk medicin, Linköping.
Inst för Experimentell och Klinisk medicin, Linköping.
2008 (English)In: Burns, ISSN 0305-4179, E-ISSN 1879-1409, Vol. 34, no 2, 212-9 p.Article in journal (Refereed) Published
Abstract [en]

Transplantation of autologous cultured keratinocytes in single cell suspension is useful in the treatment of burns. The reduced time needed for culture, and the fact that keratinocytes in suspension can be transported from the laboratory to the patient in small vials, thus reducing the costs involved and be stored (frozen) in the clinic for transplantation when the wound surfaces are ready, makes it appealing. We found few published data in the literature about actual cell survival after transplantation of keratinocytes in single cell suspension and so did a comparative in vitro study, considering commonly used application techniques. Human primary keratinocytes were transplanted in vitro in a standard manner using different techniques. Keratinocytes were counted before and after transplantation, were subsequently allowed to proliferate, and counted again on days 4, 8, and 14 by vital staining. Cell survival varied, ranging from 47 to >90%, depending on the technique. However, the proliferation assays showed that the differences in numbers diminished after 8 days of culture. Our findings indicate that a great number of cells die during transplantation but that this effect is diminished if cells are allowed to proliferate in an optimal milieu. A burned patient's wounds cannot be regarded as the optimal milieu, and using less harsh methods of transplantation may increase the take rate and wound closing properties of autologous keratinocytes transplanted in a single cell suspension.

Place, publisher, year, edition, pages
2008. Vol. 34, no 2, 212-9 p.
National Category
Cell and Molecular Biology Anesthesiology and Intensive Care Surgery
URN: urn:nbn:se:uu:diva-162774DOI: 10.1016/j.burns.2007.03.008PubMedID: 17689016OAI: oai:DiVA.org:uu-162774DiVA: diva2:462022
Available from: 2011-12-06 Created: 2011-12-05 Last updated: 2011-12-06

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