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Int. J. Mol. Sci. 2018, 19(8), 2324; https://doi.org/10.3390/ijms19082324

Non-Ionizing Radiation for Cardiac Human Amniotic Mesenchymal Stromal Cell Commitment: A Physical Strategy in Regenerative Medicine

1
Institute of Translational Pharmacology, National Research Council, (CNR), via del Fosso del Cavaliere 100, 00133 Rome, Italy
2
Dipartimento Innovazioni Tecnologiche (INAIL-DIT), Via Fontana Candida 1, Monte Porzio Catone, 00078 Rome, Italy
3
Research Center, FBF S. Peter Hospital, Via Cassia 600, 00189 Rome, Italy
4
Institute of Clinical Physiology, National Research Council, (CNR), Via Palestro 32, 00185 Rome, Italy
These authors contributed equally to the study.
*
Author to whom correspondence should be addressed.
Received: 17 July 2018 / Revised: 3 August 2018 / Accepted: 5 August 2018 / Published: 8 August 2018
(This article belongs to the Section Biochemistry, Molecular and Cellular Biology)
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Abstract

Cell therapy is an innovative strategy for tissue repair, since adult stem cells could have limited regenerative ability as in the case of myocardial damage. This leads to a local contractile dysfunction due to scar formation. For these reasons, refining strategy approaches for “in vitro” stem cell commitment, preparatory to the “in vivo” stem cell differentiation, is imperative. In this work, we isolated and characterized at molecular and cellular level, human Amniotic Mesenchymal Stromal Cells (hAMSCs) and exposed them to a physical Extremely Low Frequency Electromagnetic Field (ELF-EMF) stimulus and to a chemical Nitric Oxide treatment. Physically exposed cells showed a decrease of cell proliferation and no change in metabolic activity, cell vitality and apoptotic rate. An increase in the mRNA expression of cardiac and angiogenic differentiation markers, confirmed at the translational level, was also highlighted in exposed cells. Our data, for the first time, provide evidence that physical ELF-EMF stimulus (7 Hz, 2.5 µT), similarly to the chemical treatment, is able to trigger hAMSC cardiac commitment. More importantly, we also observed that only the physical stimulus is able to induce both types of commitments contemporarily (cardiac and angiogenic), suggesting its potential use to obtain a better regenerative response in cell-therapy protocols. View Full-Text
Keywords: hAMSCs; cardiac commitment; angiogenic commitment; Nitric Oxide; ELF-EMF; regenerative medicine hAMSCs; cardiac commitment; angiogenic commitment; Nitric Oxide; ELF-EMF; regenerative medicine
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Ledda, M.; D’Emilia, E.; Lolli, M.G.; Marchese, R.; De Lazzari, C.; Lisi, A. Non-Ionizing Radiation for Cardiac Human Amniotic Mesenchymal Stromal Cell Commitment: A Physical Strategy in Regenerative Medicine. Int. J. Mol. Sci. 2018, 19, 2324.

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