Turning on stem cell cardiogenesis with extremely low frequency magnetic fields
- 21 October 2004
- journal article
- Published by Wiley in The FASEB Journal
- Vol. 19 (1), 155-157
- https://doi.org/10.1096/fj.04-2695fje
Abstract
Modulation of stem cell differentiation is an important assignment for cellular engineering. Embryonic stem (ES) cells can differentiate into cardiomyocytes, but the efficiency is typically low. Here, we show that exposure of mouse ES cells to extremely low frequency magnetic fields triggered the expression of GATA-4 and Nkx-2.5, acting as cardiac lineage-promoting genes in different animal species, including humans. Magnetic fields also enhanced prodynorphin gene expression, and the synthesis and secretion of dynorphin B, an endorphin playing a major role in cardiogenesis. These effects occurred at the transcriptional level and ultimately ensued into a remarkable increase in the yield of ES-derived cardiomyocytes. These results demonstrate the potential use of magnetic fields for modifying the gene program of cardiac differentiation in ES cells without the aid of gene transfer technologies and may pave the way for novel approaches in tissue engineering and cell therapy.Keywords
Funding Information
- Ministero dell’Istruzione, dell’Università e della Ricerca
- Ministero dell’Istruzione, dell’Università e della Ricerca
- Ministero della Salute
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