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Updated: Jan 23, 2026
10:05
Single-cell Transcriptomic Analyses of Mouse Pancreatic Endocrine Cells
Published on: September 30, 2018
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Single-Cell Transcriptomic Analyses of Cell Fate Transitions during Human Cardiac Reprogramming
Yang Zhou1, Ziqing Liu1, Joshua D Welch2
1Department of Pathology and Laboratory Medicine, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA; McAllister Heart Institute, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA.
Cell Stem Cell
|June 25, 2019
Summary
Researchers used single-cell transcriptomics to study human cardiac (hiCM) reprogramming. They identified key molecular features and a critical decision point influencing cell fate, revealing immune-associated DNA methylation is crucial for reprogramming success.
Area of Science:
- Stem Cell Biology
- Genomics
- Cardiovascular Research
Background:
- Direct cellular reprogramming offers insights into cell plasticity and fate determination.
- Understanding the molecular mechanisms of cardiac reprogramming is crucial for regenerative medicine.
Purpose of the Study:
- To characterize human cardiac (hiCM) reprogramming using single-cell transcriptomics.
- To develop and apply an analytical pipeline for assessing cell fate conversion.
- To identify key molecular regulators of hiCM induction.
Main Methods:
- Single-cell RNA sequencing of hiCM reprogramming.
- Advanced data normalization and trajectory prediction algorithms.
- Development of a novel cell fate index for measuring reprogramming progression.
- Functional screening and validation of reprogramming factor targets.
Main Results:
- Detailed molecular features of hiCM reprogramming were uncovered.
- A critical decision point was identified, determining reprogramming trajectory or fibroblast regression.
- Immune-response-associated DNA methylation was found to be essential for hiCM induction.
- Several downstream targets of reprogramming factors were validated as necessary for efficient reprogramming.
Conclusions:
- This study provides comprehensive single-cell datasets elucidating hiCM determination.
- The developed analytical pipeline offers a rigorous approach for predicting cell fate conversion.
- The findings highlight the importance of DNA methylation and specific gene targets in cardiac reprogramming.
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