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Molecular Characterization of Prospectively Isolated Multipotent Mesenchymal Progenitors Provides New Insight into the Cellular Identity of Mesenchymal Stem Cells in Mouse Bone Marrow
Linköping University, Department of Clinical and Experimental Medicine, Experimental Hematology. Linköping University, Faculty of Health Sciences.
Ist Science San Raffaele, Italy .
Ist Science San Raffaele, Italy .
Linköping University, Department of Clinical and Experimental Medicine, Division of Microbiology and Molecular Medicine. Linköping University, Faculty of Health Sciences.
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2013 (English)In: Molecular and Cellular Biology, ISSN 0270-7306, E-ISSN 1098-5549, Vol. 33, no 4, 661-677 p.Article in journal (Refereed) Published
Abstract [en]

Despite great progress in the identification of mesenchymal stem cells (MSCs) from bone marrow (BM), our knowledge of their in vivo cellular identity remains limited. We report here that cells expressing the transcription factor Ebf2 in adult BM display characteristics of MSCs. The Ebf2(+) cells are highly clonal and physiologically quiescent. In vivo lineage-tracing experiments, single cell clone transplantations, and in vitro differentiation assays revealed their self-renewal and multilineage differentiation capacity. Gene expression analysis of the freshly sorted Ebf2(+) cells demonstrated the expression of genes previously reported to be associated with MSCs and the coexpression of multiple lineage-associated genes at the single-cell level. Thus, Ebf2 expression is not restricted to committed osteoblast progenitor cells but rather marks a multipotent mesenchymal progenitor cell population in adult mouse BM. These cells do not appear to completely overlap the previously reported MSC populations. These findings provide new insights into the in vivo cellular identity and molecular properties of BM mesenchymal stem and progenitor cells.

Place, publisher, year, edition, pages
American Society for Microbiology , 2013. Vol. 33, no 4, 661-677 p.
National Category
Medical and Health Sciences
URN: urn:nbn:se:liu:diva-92619DOI: 10.1128/MCB.01287-12ISI: 000317267000002OAI: diva2:621686

Funding Agencies|Swedish Research Council|K2008-77PK-20879-01-22009-2675|Cancer-fonden|CAN 2009/1589CAN 2012-2015|AFA Insurance Regenerative Medicine Program||Faculty of Medicine at Linkoping University||

Available from: 2013-05-16 Created: 2013-05-14 Last updated: 2014-08-26

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Qian, HongPolisetti, NareshNihlberg, KristianSigvardsson, Mikael
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Experimental HematologyFaculty of Health SciencesDivision of Microbiology and Molecular MedicineDepartment of Clinical and Experimental Medicine
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