Dynamic Support Culture of Murine Skeletal Muscle-derived Stem Cells Improves Their Cardiogenic Potential In Vitro

Klaus Neef, Philipp Treskes, guoxing Xu, Florian Drey, Sureshkumar Perumal Srinivasan, Tomo Saric, Erastus Nembo, Judith Semmler, Filomain Nguemo, Christof Stamm, Douglas B. Cowan, A.-C. Deppe, Maximilian Scherner, Thorsten Wittwer, Juergen Hescheler, Thorsten Wahlers, Yeong-Hoon Choi

Research output: Contribution to journalArticlepeer-review

Abstract

Ischemic heart disease is the main cause of death in western countries and increasingly worldwide. It typically involves irreversible degeneration and loss of myocardial tissue leading to poor prognosis and fatal outcome. Autologous cells with the potential to regenerate damaged heart tissue would be an ideal source for cell therapeutic approaches.
Here, we compared different methods of conditional culture for increasing the yield and cardiogenic potential of murine skeletal muscle-derived stem cells. A subpopulation of non-adherent cells was isolated from skeletal muscle by pre-plating and applying cell culture conditions differing in support of cluster formation. In contrast to static culture conditions, dynamic culture with or without previous hanging drop pre-culture led to significantly increased cluster diameters and the expression of cardiac-specific markers on the protein and mRNA level. Whole-cell patch-clamp studies revealed similarities to pacemaker action potentials and responsiveness to cardiac specific pharmacological stimuli. This data indicates that skeletal muscle-derived stem cells are capable of adopting enhanced cardiac muscle cell-like properties by applying specific culture conditions.
Choosing this route for the establishment of a sustainable, autologous source of cells for cardiac therapies holds the potential of being clinically more acceptable than transgenic manipulation of cells.
Original languageEnglish
Article numberID 247091
JournalStem Cells International
Volume2015
DOIs
Publication statusPublished - Jul 2015

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