alexa Comparative study of stemness characteristics of mesenchymal cells from bone marrow of children and adults.


Rheumatology: Current Research

Author(s): Choumerianou DM, Martimianaki G, Stiakaki E, Kalmanti L, Kalmanti M,

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Abstract BACKGROUND AIMS: Age-related changes that could affect the biologic features of mesenchymal stromal cells (MSC), such as a decrease in proliferation and osteoblast differentiation capacity and an increase of senescence markers and apoptosis, have been reported recently. The aim of this study was the evaluation of age-related characteristics and the correlation of age with the functional properties of MSC. METHODS: The doubling time (DT), colony-forming unit–fibroblast (CFU-F) colonies and surface antigen expression of MSC isolated from bone marrow (BM) of children (C-MSC) were compared with those from adults (A-MSC). The expression of Oct-4 and Nanog transcripts and the relative telomere length were evaluated in both groups. RESULTS: DT values were lower in C-MSC compared with A-MSC, and a higher CFU-F count was observed in children. However, the expression of Oct-4 and Nanog did not differ between C-MSC and A-MSC and was not correlated with the proliferative capacity. The telomere length was significantly higher in C-MSC compared with A-MSC. CONCLUSIONS: These data suggest that children's BM-derived MSC could be a more advantageous source of these cells for tissue engineering and cell therapy. This article was published in Cytotherapy and referenced in Rheumatology: Current Research

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