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Induction of muscle-regenerative multipotent stem cells from human adipocytes by PDGF-AB and 5-azacytidine


Terminally differentiated murine osteocytes and adipocytes can be reprogrammed using platelet-derived growth factor-AB and 5-azacytidine into multipotent stem cells with stromal cell characteristics. We have now optimized culture conditions to reprogram human adipocytes into induced multipotent stem (iMS) cells and characterized their molecular and functional properties. Although the basal transcriptomes of adipocyte-derived iMS cells and adipose tissue-derived mesenchymal stem cells were similar, there were changes in histone modifications and CpG methylation at cis-regulatory regions consistent with an epigenetic landscape that was primed for tissue development and differentiation. In a non-specific tissue injury xenograft model, iMS cells contributed directly to muscle, bone, cartilage, and blood vessels, with no evidence of teratogenic potential. In a cardiotoxin muscle injury model, iMS cells contributed specifically to satellite cells and myofibers without ectopic tissue formation. Together, human adipocyte-derived iMS cells regenerate tissues in a context-dependent manner without ectopic or neoplastic growth.

Type Journal
ISBN 2375-2548 (Electronic) 2375-2548 (Linking)
Authors Yeola, A.; Subramanian, S.; Oliver, R. A.; Lucas, C. A.; Thoms, J. A. I.; Yan, F.; Olivier, J.; Chacon, D.; Tursky, M. L.; Srivastava, P.; Potas, J. R.; Hung, T.; Power, C.; Hardy, P.; Ma, D. D.; Kilian, K. A.; McCarroll, J.; Kavallaris, M.; Hesson, L. B.; Beck, D.; Curtis, D. J.; Wong, J. W. H.; Hardeman, E. C.; Walsh, W. R.; Mobbs, R.; Chandrakanthan, V.; Pimanda, J. E.
Publisher Name Science Advances
Published Date 2021-01-31
Published Volume 7
Published Issue 3
Status Published in-print
DOI 10.1126/sciadv.abd1929
URL link to publisher's version