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Polyethylene glycol-mediated fusion between primary mouse mesenchymal stem cells and mouse fibroblasts generates hybrid cells with increased proliferation and altered differentiation
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of clinical chemistry.
Linköping University, Faculty of Health Sciences. Linköping University, Department of Biomedicine and Surgery, Division of clinical chemistry. Östergötlands Läns Landsting, Centre for Laboratory Medicine, Department of Clinical Chemistry.
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2006 (English)In: Stem Cells and Development, ISSN 1547-3287, Vol. 15, no 6, 905-919 p.Article in journal (Refereed) Published
Abstract [en]

Bone marrow-derived mesenchymal stem cells (MSCs) can differentiate into different cell lineages with the appropriate stimulation in vitro. Transplantation of MSCs in human and other animal models was found to repair tissues through the fusion of transplanted MSCs with indigenous cells. We have generated mouse-mouse hybrid cell lines in vitro by polyethylene glycol-mediated fusion of primary mouse MSCs with mouse fibroblasts to investigate the characteristics of hybrid cells, including their potentials for proliferation and differentiation. Similar to the parental MSCs, hybrid cells are positive for the cell-surface markers CD29, CD44, CD49e, and Sca-1, aed negative for Gr1, CD11b, CD13, CD18, CD31, CD43, CD45, CD49d, CD90.2, CD445M/B220, and CD117 markers. The hybrid cells also produce a high level of tissue nonspecific alkaline phosphatase compared to the parental cells. Conditioned medium of hybrid cells contain biologically active factors that are capable of stimulating proliferation of other cells. Although the parental MSCs can differentiate into adipogenic and osteogenic lineages, hybrid cells held disparate differentiation capacity. Hybrid cell lines in general have increased proliferative capacity than the primary MSCs. Our study demonstrates that proliferative hybrid cell lines can be generated in vitro by induced fusion of both im-mortal and primary somatic cells with primary MSCs. © Mary Ann Liebert, Inc.

Place, publisher, year, edition, pages
2006. Vol. 15, no 6, 905-919 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-37734DOI: 10.1089/scd.2006.15.905Local ID: 38146OAI: diva2:258583
Available from: 2009-10-10 Created: 2009-10-10 Last updated: 2011-01-11

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Islam, QuamrulMagnusson, PerIslam, Khaleda
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