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Cardiac Side Population Cells and Sca-1-Positive Cells

  • Toshio Nagai
  • Katsuhisa Matsuura
  • Issei Komuro
Protocol
Part of the Methods in Molecular Biology book series (MIMB, volume 1036)

Abstract

Since the resident cardiac stem/progenitor cells were discovered, their ability to maintain the architecture and functional integrity of adult heart has been broadly explored. The methods for isolation and purification of the cardiac stem cells are crucial for the precise analysis of their developmental origin and intrinsic potential as tissue stem cells. Stem cell antigen-1 (Sca-1) is one of the useful cell surface markers to purify the cardiac progenitor cells. Another purification strategy is based on the high efflux ability of the dye, which is a common feature of tissue stem cells. These dye-extruding cells have been called side population cells because they locate in the side of dye-retaining cells after fluorescent cell sorting. In this chapter, we describe the methodology for the isolation of cardiac SP cells and Sca-1 positive cells.

Key words

Cardiac progenitor cells Cardiac stem cells Side population (SP) Hoechst 33342 Stem cell antigen-1 (Sca-1) 

Notes

Acknowledgements

The authors thank A. Furuyama for the excellent technical assistance. This work was supported by a Grant-in-Aid for Scientific Research, Developmental Scientific Research, and Scientific Research on Priority Areas from the Ministry of Education, Science, Sports, and Culture.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Toshio Nagai
    • 1
  • Katsuhisa Matsuura
    • 2
  • Issei Komuro
    • 3
    • 4
  1. 1.Department of Cardiovascular MedicineChiba University Graduate School of MedicineChuo-kuJapan
  2. 2.Department of Cardiology, Institute of Advanced Biomedical Engineering and ScienceTokyo Women’s Medical UniversityTokyoJapan
  3. 3.Department of Cardiovascular MedicineOsaka University Graduate School of MedicineSuitaJapan
  4. 4.Department of Cardiovascular MedicineThe University of Tokyo Graduate School of MedicineTokyoJapan

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