Episode
Region Capture Micro-C and 3D Genome Structure (Anders Sejr Hansen)
- Podcast
- Epigenetics Podcast
- Published
- Nov 13, 2025
- Duration seconds
- 3820
- Processing state
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Summary
In this episode of the Epigenetics Podcast, we talked with Anders Sejr Hansen from MIT about his work on the impact of 3D genome structures on gene expression, the roles of proteins like CTCF and cohesin, and advanced techniques like Region Capture Micro-C for mapping genome organisation. Dr. Sejr Hansen introduces his research focusing on the relationship between three-dimensional genome structure and function, specifically how these structures can influence gene expression. He elaborates on the importance of transcription factors and the role of looping structures in gene regulation, emphasizing the implications of his work for understanding gene functionality in the context of both development and disease. The conversation then shifts to discussing loop extrusion and the factors affecting loop stability, primarily CTCF and cohesin. Dr. Sejr Hansen highlights the dynamics of these proteins' binding interactions and how their speeds challenge the notion of stable looping structures in the genome. With a keen interest in CTCF's role, he explains how the protein interacts with DNA and the mechanistic aspects of transcription factor movement, alluding to research findings that reveal that CTCF and cohesin tend to form clusters which may play vital roles in establishing chromatin structure. As the interview progresses, Dr. Sejr Hansen details his transition to leading his own lab at MIT, emphasizing the continuation of his earlier work while expanding into new methodologies for studying chromatin. He underscores the importance of understanding not just the static structures of DNA interactions, but the dynamic nature of these relationships and how they influence gene expression. His lab's recent focus has included using advanced imaging techniques to assess the dynamics o…