Abstract
Potential repair by cell grafting or mobilizing endogenous cells holds particular attraction in heart disease, where the meager capacity for cardiomyocyte proliferation likely contributes to the irreversibility of heart failure. Whether cardiac progenitors exist in adult myocardium itself is unanswered, as is the question whether undifferentiated cardiac precursor cells merely fuse with preexisting myocytes. Here we report the existence of adult heart-derived cardiac progenitor cells expressing stem cell antigen-1. Initially, the cells express neither cardiac structural genes nor Nkx2.5 but differentiate in vitro in response to 5′-azacytidine, in part depending on Bmpr1a , a receptor for bone morphogenetic proteins. Given intravenously after ischemia/reperfusion, cardiac stem cell antigen 1 cells home to injured myocardium. By using a Cre/Lox donor/recipient pair (α MHC-Cre / R26R ), differentiation was shown to occur roughly equally, with and without fusion to host cells.
Bibliography
Oh, H., Bradfute, S. B., Gallardo, T. D., Nakamura, T., Gaussin, V., Mishina, Y., Pocius, J., Michael, L. H., Behringer, R. R., Garry, D. J., Entman, M. L., & Schneider, M. D. (2003). Cardiac progenitor cells from adult myocardium: Homing, differentiation, and fusion after infarction. Proceedings of the National Academy of Sciences, 100(21), 12313â12318.
Authors
12
- Hidemasa Oh (first)
- Steven B. Bradfute (additional)
- Teresa D. Gallardo (additional)
- Teruya Nakamura (additional)
- Vinciane Gaussin (additional)
- Yuji Mishina (additional)
- Jennifer Pocius (additional)
- Lloyd H. Michael (additional)
- Richard R. Behringer (additional)
- Daniel J. Garry (additional)
- Mark L. Entman (additional)
- Michael D. Schneider (additional)
References
37
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Dates
Type | When |
---|---|
Created | 21 years, 10 months ago (Oct. 14, 2003, 3:05 p.m.) |
Deposited | 3 years, 4 months ago (April 13, 2022, 7:52 a.m.) |
Indexed | 1 day, 16 hours ago (Sept. 4, 2025, 10:28 a.m.) |
Issued | 21 years, 11 months ago (Oct. 6, 2003) |
Published | 21 years, 11 months ago (Oct. 6, 2003) |
Published Online | 21 years, 11 months ago (Oct. 6, 2003) |
Published Print | 21 years, 10 months ago (Oct. 14, 2003) |
@article{Oh_2003, title={Cardiac progenitor cells from adult myocardium: Homing, differentiation, and fusion after infarction}, volume={100}, ISSN={1091-6490}, url={http://dx.doi.org/10.1073/pnas.2132126100}, DOI={10.1073/pnas.2132126100}, number={21}, journal={Proceedings of the National Academy of Sciences}, publisher={Proceedings of the National Academy of Sciences}, author={Oh, Hidemasa and Bradfute, Steven B. and Gallardo, Teresa D. and Nakamura, Teruya and Gaussin, Vinciane and Mishina, Yuji and Pocius, Jennifer and Michael, Lloyd H. and Behringer, Richard R. and Garry, Daniel J. and Entman, Mark L. and Schneider, Michael D.}, year={2003}, month=oct, pages={12313–12318} }