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Human Primary Bone Marrow Mesenchymal Stromal Cells and Their in vitro Progenies Display Distinct Transcriptional Profile Signatures
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- Ghazanfari, Roshanak (author)
- Lund University,Lunds universitet,Avdelningen för molekylär hematologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Division of Molecular Hematology (DMH),Department of Laboratory Medicine,Faculty of Medicine,Stem Cell Center,Division of stem cell research
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- Zacharaki, DImitra (author)
- Lund University,Lunds universitet,Avdelningen för molekylär hematologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Benmärgsstamceller och cellulära terapier,Forskargrupper vid Lunds universitet,Division of Molecular Hematology (DMH),Department of Laboratory Medicine,Faculty of Medicine,Stem Cell Center,Division of stem cell research,Bone marrow stem cells and cellular therapies,Lund University Research Groups
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- Li, Hongzhe (author)
- Lund University,Lunds universitet,Avdelningen för molekylär hematologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Stamcellscentrum (SCC),Avdelningen för stamcellsforskning,Division of Molecular Hematology (DMH),Department of Laboratory Medicine,Faculty of Medicine,Stem Cell Center,Division of stem cell research
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- (creator_code:org_t)
- 2017-09-04
- 2017
- English.
- In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322. ; 7:1
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Bone marrow mesenchymal stromal cells (BM-MSCs) are a rare population of cells that gives rise to skeletal tissues and the hematopoietic stroma in vivo. Recently, we have demonstrated that BM-MSCs fulfill stringent in vivo stem cell criteria when propagated as non-adherent mesenspheres but not as adherent-cultured cells. Motivated by these profound functional differences, the current study aimed to identify potential important MSC regulators by investigating global gene expression profiles of adherent and non-adherent culture-derived BM-MSCs in comparison with primary BM-MSCs. A substantial number of genes were differentially expressed between primary and culture-expanded cells already early upon culture, and numerous genes were found to be different when comparing adherent and non-adherent BM-MSCs. Cluster analysis identified 16 sets of genes of which two displayed comparable gene expression levels in primary and non-adherent cultured cells, but not in adherent cultured cells. This pattern suggested that these clusters contained candidate regulators of BM-MSCs. Gene expression differences were confirmed for selected genes and BM-MSC transcription factors by protein analysis and RT-PCR, respectively. Taken together, these data demonstrated profound gene expression changes upon culture of primary BM-MSCs. Moreover, gene cluster differences provide the basis to uncover the regulatory mechanisms that control primary and cultured BM-MSCs.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Cell- och molekylärbiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Cell and Molecular Biology (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)
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