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Updated: May 20, 2025
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Single Cell Transcriptional Profiling of Adult Mouse Cardiomyocytes
Published on: December 28, 2011
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Transcriptomic profiling of cardiac development in Bama Xiang pigs across key developmental stages
Sheng-Nan Wang1, Wen-Jie Tian1, Deng-Ke Pan2
1State Key Laboratory of Animal Biotech Breeding, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences (CAAS), Beijing 100193, China.
Zoological Research
|May 19, 2025
Summary
Pigs are crucial for cardiac xenotransplantation research. This study maps gene expression during pig heart development, identifying key genes that regulate its growth and maturation.
Area of Science:
- Cardiovascular Biology
- Developmental Biology
- Genomics
Background:
- Pigs are vital large-animal models for cardiac xenotransplantation.
- Understanding porcine myocardial development is crucial but incompletely defined.
- Temporal gene expression dynamics are key to defining this process.
Purpose of the Study:
- To delineate the molecular mechanisms driving porcine myocardial development.
- To establish a transcriptomic framework for pig heart maturation.
- To identify candidate genes associated with myocardial development.
Main Methods:
- Analyzed gene expression across four developmental stages (neonatal, juvenile, sexual maturity, adulthood).
- Utilized RNA sequencing (RNA-seq) for transcriptomic profiling.
- Applied Short Time-series Expression Miner (STEM) analysis and RT-qPCR validation.
Main Results:
- Identified 2,189 differentially expressed genes (DEGs) across developmental stages.
- Classified DEGs into clusters related to myocardial development, immunity, proliferation, and metabolism.
- Validated six candidate genes strongly associated with myocardial development.
Conclusions:
- Established a comprehensive transcriptomic framework for porcine myocardial maturation.
- Provided molecular insights into coordinated structural and functional development.
- Identified candidate genes crucial for advancing cardiac xenotransplantation strategies.
