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Updated: Mar 24, 2026

Hemogenic Reprogramming of Human Fibroblasts by Enforced Expression of Transcription Factors

Hemogenic Reprogramming of Human Fibroblasts by Enforced Expression of Transcription Factors

Published on: November 4, 2019

Expandable Cardiovascular Progenitor Cells Reprogrammed from Fibroblasts.

Yu Zhang¹, Nan Cao¹, Yu Huang²

¹Gladstone Institute of Cardiovascular Disease, San Francisco, CA 94158, USA; Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA.

|March 5, 2016

Summary

Researchers developed expandable cardiovascular progenitor cells (ieCPCs) from mouse fibroblasts. These cells efficiently regenerate heart tissue and improve cardiac function after myocardial infarction, offering a promising strategy for heart failure treatment.

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Generation of First Heart Field-like Cardiac Progenitors and Ventricular-like Cardiomyocytes from Human Pluripotent Stem Cells

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Suppression of Pro-fibrotic Signaling Potentiates Factor-mediated Reprogramming of Mouse Embryonic Fibroblasts into Induced Cardiomyocytes

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Published on: June 3, 2018

Area of Science:

Cardiovascular Research
Regenerative Medicine
Stem Cell Biology

Background:

Stem cell therapy shows promise for heart failure treatment.
A major challenge is generating sufficient autologous cells for transplantation.
Fibroblast-derived cells offer a potential alternative for cardiac regeneration.

Purpose of the Study:

To isolate and characterize a novel cell population for cardiac regeneration.
To assess the proliferative capacity and differentiation potential of these cells.
To evaluate the therapeutic efficacy of these cells in a myocardial infarction model.

Main Methods:

Cardiac transdifferentiation of mouse fibroblasts to induce expandable cardiovascular progenitor cells (ieCPCs).
Long-term proliferation assessment in chemically defined conditions.
In vitro differentiation into cardiomyocytes, endothelial cells, and smooth muscle cells.
In vivo transplantation into mouse hearts post-myocardial infarction.

Main Results:

ieCPCs demonstrated extensive proliferation (10^5 to 10^16 cells) over 18 passages.
Expanded ieCPCs maintained expression of cardiac genes and differentiated into functional cardiomyocytes, endothelial cells, and smooth muscle cells.
Transplanted ieCPCs differentiated in vivo and improved cardiac function up to 12 weeks post-myocardial infarction.

Conclusions:

ieCPCs represent a robust cell source for cardiovascular regenerative medicine.
This study provides a powerful system for studying cardiovascular cell specification.
ieCPCs offer a viable strategy for treating heart failure through cardiac regeneration.