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Ultrasound-Guided Induced Pluripotent Stem Cell-Derived Cardiomyocyte Implantation in Myocardial Infarcted Mice
Published on: March 30, 2022
Myoblast transplantation on the beating heart
Eugene K W Sim1, Husnain K H Haider, Salim Aziz
1Department of Cardiac, Thoracic, and Vascular Surgery, National University Singapore. sursimkw@nus.edu.sg
International Surgery
|February 10, 2006
Summary
This study demonstrates cellular cardiomyoplasty using autologous skeletal myoblasts in a beating heart procedure. The innovative technique proved safe and effective, improving cardiac function in a patient with heart damage.
Area of Science:
- Regenerative Medicine
- Cardiovascular Surgery
- Cell Therapy
Background:
- Cellular cardiomyoplasty is a promising therapeutic strategy for heart repair.
- Experimental studies validate various donor cell types for cardiac regeneration.
- Combining cell therapy with beating heart surgery offers potential synergistic benefits.
Observation:
- A case of cellular cardiomyoplasty was performed using autologous skeletal myoblasts on a beating heart.
- Rectus femoris muscle biopsy yielded human myoblasts cultured via a patented method.
- Immunostaining confirmed cell type and purity (desmin expression).
Findings:
- 3.70 x 10(8) myoblasts were injected into 20 myocardial sites around infarcted areas.
- The procedure was conducted under direct vision with Octopus III tissue stabilization.
- The patient experienced improved cardiac function post-procedure.
Implications:
- This case report suggests cellular cardiomyoplasty with autologous skeletal myoblasts is a safe and viable cardiac repair option.
- The findings support further investigation into this combined therapeutic approach.
- Successful application in a beating heart scenario may broaden the applicability of cell-based cardiac therapies.
