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Updated: Aug 18, 2025

Suppression of Pro-fibrotic Signaling Potentiates Factor-mediated Reprogramming of Mouse Embryonic Fibroblasts into Induced Cardiomyocytes
Published on: June 3, 2018
Advances in Cellular Reprogramming-Based Approaches for Heart Regenerative Repair
Xingyu He1, Jialiang Liang1, Christian Paul1
1Department of Pathology & Laboratory Medicine, College of Medicine, University of Cincinnati, Cincinnati, OH 45221, USA.
Regenerative heart medicine uses cell reprogramming to repair damaged hearts. New methods like induced cardiomyocyte-like cells (iCMs) offer alternatives to human induced pluripotent stem cells (hiPSCs) for heart repair.
Area of Science:
- Regenerative Medicine
- Cardiovascular Biology
- Stem Cell Biology
Background:
- Heart diseases cause continuous cardiomyocyte loss, leading to heart failure.
- Limited human adult cardiomyocyte proliferation hinders effective heart repair.
- Human induced pluripotent stem cells (hiPSCs) offer therapeutic potential for regenerative heart medicine.
Purpose of the Study:
- To review hiPSC-derived cell therapies for heart repair.
- To discuss clinical challenges and solutions for hiPSC-based therapies.
- To explore direct cell lineage conversion strategies as alternatives to hiPSCs.
Main Methods:
- Review of hiPSC-derived cell therapeutic methods.
- Discussion of clinical challenges: maturation, engraftment, immune response, scalability, and tumorigenicity.
- Exploration of direct cell lineage conversion (iCMs, iCPCs) and epigenetic editing (CRISPR).
Main Results:
- hiPSC-derived therapies show promise but face clinical hurdles.
- Direct conversion of fibroblasts to iCMs and iCPCs bypasses pluripotency.
- Epigenetic resetting is key to reprogramming and lineage conversion.
Conclusions:
- hiPSC-based approaches are a promising avenue for regenerative heart medicine.
- Direct cell conversion offers an alternative to hiPSC-based therapies.
- Reprogrammed cells (iCPCs, iCMs) hold potential for heart repair, disease modeling, and drug screening.
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10:05Improved Generation of Induced Cardiomyocytes Using a Polycistronic Construct Expressing Optimal Ratio of Gata4, Mef2c and Tbx5
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