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Chromosome Conformation Capture (3C and Higher) with Erythroid Samples.
1Laboratory of Cellular and Developmental Biology, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, 50 South Drive, MSC 8028, Bethesda, MD, 20892, USA.
Methods in Molecular Biology (Clifton, N.J.)
|October 28, 2017
Summary
This study presents a refined Chromosome Conformation Capture (3C) methodology. The enhanced 3C techniques are applicable to various cell types and support studies of long-range genomic interactions.
Area of Science:
- Genomics
- Molecular Biology
- Epigenetics
Background:
- Chromosome Conformation Capture (3C) identifies spatial proximity of linearly distant DNA sequences within the cell nucleus.
- Increased proximity suggests potential long-range functional interactions, such as enhancer-gene communication.
- Validating these interactions requires rigorous controls and functional tests.
Purpose of the Study:
- To present a robust methodology for Chromosome Conformation Capture (3C) experiments.
- To provide a foundational protocol adaptable for related techniques like 4C, 5C, and Hi-C.
- To offer widely applicable procedures for diverse biological samples.
Main Methods:
- Detailed methodology for 3C experiments.
- Adaptation of the 3C protocol for 4C, 5C, and Hi-C applications.
- Application of the procedures to erythroid cell lines, progenitor cells, and tissues.
Main Results:
- Establishment of a versatile 3C methodology.
- Demonstration of the protocol's adaptability for related chromosome conformation capture techniques.
- Successful application across various cell types, including erythroid lineages.
Conclusions:
- The presented methodology enhances the study of 3D genome organization.
- The adaptable protocol facilitates research into long-range DNA interactions using 3C, 4C, 5C, and Hi-C.
- These procedures are valuable tools for investigating gene regulation in various cellular contexts.
