Long noncoding RNA uc.4 inhibits cell differentiation in heart development by altering DNA methylation
Qijun Zhang1, Mengwen Feng1, Hao Zhang1
1Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.
Journal of Cellular Biochemistry
|November 15, 2018
Summary
Long noncoding RNA uc.4 impacts zebrafish heart development by altering DNA methylation. This study identifies key pathways involved, offering insights into cardiac malformations.
Area of Science:
- Molecular Biology
- Developmental Biology
- Genetics
Background:
- Long noncoding RNA uc.4 has been linked to cell differentiation via the TGF-β pathway, affecting zebrafish heart development and causing cardiac malformations.
- Disordered DNA methylation is implicated in heart development disruptions and gene promoter control issues.
Purpose of the Study:
- To investigate the role of DNA methylation in uc.4-mediated heart development.
- To identify biological processes and pathways associated with uc.4 and differential methylation.
Main Methods:
- Methylated DNA immunoprecipitation (MeDIP) to identify differential methylation regions.
- Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analysis.
Main Results:
- Differentially methylated regions were primarily found in intergenic and intron regions.
- Genes with differential methylation showed significant expression changes in uc.4-overexpressing cells.
- Associated pathways include Rap1 signaling, gonadotropin-releasing hormone signaling, and Calcium signaling.
Conclusions:
- Uc.4 influences heart development through modulation of DNA methylation patterns.
- These findings provide a foundation for understanding uc.4's role in cardiac development and malformations.
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