Ovine fetal mesenchymal stem cell differentiation to cardiomyocytes, effects of co-culture, role of small molecules; reversine and 5-azacytidine.

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

The aim of the present study was to investigate the effect of small molecules: Reversine and 5-azacytidine (5-AC), in an indirect co-culture condition with the cardiac fibroblasts as well as non co-culture condition, in order to explore the effect of such molecules in the process of differentiation of the ovine bone-marrow mesenchymal stem cells (BM-MSCs) towards cardiomyocytes. Surface antigens of the isolated cells were analysed using flow-cytometry. In addition, following to three passages cells were examined for their differentiation capacity into osteocytes and adipose cells, in order to ensure the mesenchymal origin of the stem cells. Six types of treatments were carried out in the present investigation, such that, in the first treatment BM-MSCs were cultured for 28 days as control group; the second treatment was composed of culturing ovine fetal cardiac fibroblasts on inserts, aiming to use these inserts for culturing plates which were seeded with BM-MSCs (Chamber group). As the third treatment, BM-MSCs were supplemented with 10-μM 5-AC and incubated for 48 h. The fourth treatment was composed of supplementing BM-MSCs with the 600-nM reversine, incubated for 48 h, and subsequently the incubation was further extended for another 48 h in the presence of 5-AC. The fifth treatment was composed of supplementing the chamber group with 10-μM 5-AC and incubation for 48 h, and th

Evidence level

Evidence from laboratory and animal studies provides groundwork for understanding mechanisms and potential before human studies continue.

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