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Subtype-specific cardiomyocytes for precision medicine: Where are we now?
Ming-Tao Zhao1,2, Ning-Yi Shao3, Vidu Garg1,2,4
1Center for Cardiovascular Research, The Abigail Wexner Research Institute and The Heart Center, Nationwide Children's Hospital, Columbus, Ohio, USA.
Patient-derived pluripotent stem cells (PSCs) are revolutionizing cardiovascular research but yield mixed cardiomyocyte types. New methods refine these cells into specific subtypes, advancing precision cardiovascular medicine.
Area of Science:
- Cardiovascular Research
- Stem Cell Biology
- Developmental Biology
Background:
- Patient-derived pluripotent stem cells (PSCs) are crucial for understanding heart development and disease.
- PSC-derived cardiomyocytes (PSC-CMs) offer potential for disease modeling and toxicity testing.
- Current PSC-CMs are a heterogeneous mix of atrial, ventricular, and pacemaker cells, limiting applications.
Purpose of the Study:
- To discuss progress in generating subtype-specific cardiomyocytes (atrial, ventricular, nodal) from PSCs.
- To leverage insights from embryonic heart development for refining cardiomyocyte subtypes.
- To explore how PSCs advance understanding of cardiovascular disease mechanisms and precision medicine.
Main Methods:
- Utilizing insights from embryonic heart development.
- Refining subtype-specific cardiomyocyte generation from patient-derived PSCs.
- Characterizing atrial, ventricular, and nodal cardiomyocyte populations.
Main Results:
- Recent advancements allow for the generation of subtype-specific cardiomyocytes from PSCs.
- Understanding embryonic development aids in refining specific cardiac cell types.
- This progress facilitates patient-specific disease modeling and drug testing.
Conclusions:
- Generating subtype-specific cardiomyocytes from PSCs is key to overcoming current limitations.
- This approach enhances the potential of PSCs for cardiovascular disease research.
- It paves the way for future advancements in precision cardiovascular medicine.
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