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Related Experiment Videos

Intraoperative isolation and processing of BM-derived stem cells.

A Ghodsizad1, H-M Klein, A Borowski

  • 1Department of Cardiovascular and Thoracic Surgery Heinrich-Heine-University of Duesseldorf, Duesseldorf, Germany.

Cytotherapy
|October 30, 2004
PubMed
Summary

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This study demonstrates a novel method for isolating stem cells during surgery to treat ischemic heart tissue. Autologous CD133(+) stem cells were successfully transplanted to enhance myocardial regeneration.

Area of Science:

  • Cardiovascular Medicine
  • Regenerative Medicine
  • Stem Cell Biology

Background:

  • Ischemic myocardium requires innovative treatments for tissue regeneration.
  • Autologous stem cell therapy offers potential for myocardial repair.
  • Current methods may lack intraoperative efficiency.

Purpose of the Study:

  • To establish an intraoperative method for isolating autologous CD133(+) stem cells.
  • To evaluate the feasibility of intramyocardial injection of these cells in patients undergoing revascularization procedures.
  • To assess the potential for improved tissue regeneration in ischemic myocardium.

Main Methods:

  • Harvesting bone marrow from the iliac crest under general anesthesia.
  • Intraoperative isolation of CD133(+) stem cells using the Clini-MACS device within 3 hours.

Related Experiment Videos

  • Performing coronary artery bypass grafting (CABG) and transmyocardial laser revascularization (TMLR).
  • Intramyocardial injection of isolated autologous CD133(+) stem cells around laser channels.

    • Main Results:

    • Successful isolation of autologous CD133(+) stem cells with high purity (up to 97%).
    • Intraoperative cell isolation achieved in less than 3 hours.
    • Stem cells (1.9-9.7 x 10(6)) were injected intramyocardially in five patients.
    • The method is applicable to both elective and emergency revascularization.

    Conclusions:

    • An innovative and efficient intraoperative method for isolating autologous CD133(+) stem cells has been developed.
    • This technique facilitates the application of stem cell therapy for ischemic myocardium during revascularization surgery.
    • The approach holds promise for enhancing tissue regeneration and improving outcomes in patients with ischemic heart disease.