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Epigenetic regulation of renal development
Samir S El-Dahr1, Zubaida Saifudeen1
1Tulane University School of Medicine, 1430 Tulane Avenue, Department of Pediatrics, Section of Pediatric Nephrology, New Orleans, LA, 70112, USA.
Seminars in Cell & Developmental Biology
|September 2, 2018
Summary
Understanding epigenomic states in kidney development is crucial. Histone modifications and chromatin bivalency regulate gene expression in developing nephrons, offering insights into kidney formation and disease.
Area of Science:
- Developmental Biology
- Epigenetics
- Genetics
Background:
- Cell fate determination during development relies on transcription factors and dynamic chromatin accessibility.
- Kidney development involves intricate transcriptional regulation, with emerging roles for specific epigenetic modifications.
- Understanding epigenomic states of regulatory elements like promoters and enhancers is vital for comprehending developmental processes.
Purpose of the Study:
- To review current knowledge on the epigenomic states of nephric cells during kidney development.
- To discuss techniques used for studying dynamic chromatin states in this context.
- To highlight the role of epigenetic mechanisms in kidney cell fate commitment and transcriptional networks.
Main Methods:
- Review of existing literature on kidney development and epigenetics.
- Discussion of methodologies for analyzing chromatin states, including histone modifications and bivalency.
- Focus on techniques applicable to studying dynamic chromatin changes in nephric cells.
Main Results:
- Histone deacetylation (class I HDACs) and specific histone methylation marks (H3K4, H3K27, H3K79) are implicated in regulating gene expression during kidney development.
- Mesenchymal nephron progenitors exhibit bivalent chromatin domains in nephrogenesis genes, which resolve during differentiation, suggesting a role in developmental control.
- Epigenomic profiling techniques offer new ways to investigate enhancer activity and transcriptional networks in kidney development.
Conclusions:
- Epigenetic mechanisms, including histone modifications and chromatin bivalency, are critical regulators of kidney development.
- Advanced techniques for studying chromatin states are essential for deciphering the complex transcriptional networks governing nephrogenesis.
- Insights into kidney epigenomics can advance our understanding of kidney development and associated diseases.
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