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Related Experiment Video

Updated: Mar 13, 2026

Large-Scale Production of Cardiomyocytes from Human Pluripotent Stem Cells Using a Highly Reproducible Small Molecule-Based Differentiation Protocol

Large-Scale Production of Cardiomyocytes from Human Pluripotent Stem Cells Using a Highly Reproducible Small Molecule-Based Differentiation Protocol

Published on: July 25, 2016

Less may be more: Using small molecules to reprogram human cells into functional cardiomyocytes.

Prashant S Kota¹, Mostafa R Naguib¹, Vivekkumar Patel¹

¹Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, Tex.

The Journal of Thoracic and Cardiovascular Surgery

|October 12, 2016

Summary

Chemical reprogramming offers a promising alternative to gene therapy for cardiac fibroblast to cardiomyocyte conversion. This method shows potential for heart repair by improving ejection fraction and reducing fibrosis in preclinical studies.

Keywords:

heart failure induced cardiomyocyte reprogramming transdifferentiation

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Efficient Derivation of Human Cardiac Precursors and Cardiomyocytes from Pluripotent Human Embryonic Stem Cells with Small Molecule Induction

Efficient Derivation of Human Cardiac Precursors and Cardiomyocytes from Pluripotent Human Embryonic Stem Cells with Small Molecule Induction

Published on: November 3, 2011

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Last Updated: Mar 13, 2026

Large-Scale Production of Cardiomyocytes from Human Pluripotent Stem Cells Using a Highly Reproducible Small Molecule-Based Differentiation Protocol

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Efficient Derivation of Human Cardiac Precursors and Cardiomyocytes from Pluripotent Human Embryonic Stem Cells with Small Molecule Induction

Efficient Derivation of Human Cardiac Precursors and Cardiomyocytes from Pluripotent Human Embryonic Stem Cells with Small Molecule Induction

Published on: November 3, 2011

Area of Science:

Cardiovascular Biology
Regenerative Medicine
Epigenetics

Background:

Direct cardiac reprogramming of fibroblasts into induced cardiomyocytes (iCMs) bypasses limitations of stem cell therapy.
Transcription factor-based reprogramming shows efficacy in murine models, improving ejection fraction and reducing fibrosis post-infarction.

Discussion:

Human cells present epigenetic barriers to reprogramming, hindering translation from animal models.
Chemical reprogramming using small molecules offers a non-viral alternative, potentially overcoming some epigenetic constraints.

Key Insights:

A cocktail of nine chemicals successfully reprogrammed human fibroblasts into cardiomyocyte-like cells.
This chemical approach demonstrates partial success in overcoming human cellular epigenetic barriers.

Outlook:

Challenges include low reprogramming efficiency, potential drug-drug interactions, and the need for in vivo validation.
Further research is required to optimize chemical cocktails and assess clinical applicability for cardiac repair.