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Updated: Jan 21, 2026

Derivation of Cardiac Progenitor Cells from Embryonic Stem Cells
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Progenitor Cells Derived from Drain Waste Product of Open-Heart Surgery in Children

Tak-Wah Wong1,2,3, Chung-Dann Kan4, Wen-Tai Chiu5

  • 1Department of Dermatology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 704, Taiwan.

Journal of Clinical Medicine
|July 25, 2019
PubMed

Insights

Researchers discovered a novel source of human progenitor cells from pericardial effusion fluid. These cells, pericardial effusion-derived progenitor cells (PEPCs), show potential for cardiac repair and heart regeneration in preclinical models.

Area of Science:

  • Regenerative Medicine
  • Cardiovascular Biology
  • Stem Cell Research

Background:

  • Autologous stem cell therapy offers potential advantages for cardiac repair.
  • Identifying novel, accessible sources of human progenitor cells is crucial for regenerative medicine.

Purpose of the Study:

  • To establish a new source of human progenitor cells from pericardial effusion fluid collected after pediatric open-heart surgery.
  • To characterize the properties and therapeutic potential of these pericardial effusion-derived progenitor cells (PEPCs).

Main Methods:

  • Collection and isolation of mononuclear cells from pericardial effusion fluid in 37 children.
  • In vitro expansion and characterization of cells for cardiogenic lineage markers.
  • Assessment of PEPC proliferation, angiogenesis enhancement, and in vivo efficacy in a mouse ischemic heart model.

Main Results:

  • Pericardial effusion-derived progenitor cells (PEPCs) were successfully isolated and expanded, exhibiting cardiogenic markers and high proliferation.
  • PEPCs enhanced angiogenesis in vitro and significantly improved cardiac ejection fraction in mice post-transplantation.
  • Gene expression analysis indicated activation of paracrine signaling, cell migration, and angiogenesis in repaired hearts.

Conclusions:

  • Pericardial effusion fluid is a viable source for obtaining human progenitor cells with regenerative potential.
  • PEPCs demonstrate promise for promoting heart regeneration and functional recovery after ischemic injury.
  • Further research into PEPCs could lead to new strategies for treating congenital heart diseases.

Keywords:
cardiac surgerycongenital heart diseaseopen heartprogenitor cellsregenerationstem cells

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