Robust regulatory interplay of enhancers, facilitators, and promoters in a native chromatin context.
- Open access
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A human enhancer, eNMU, drives a 10,000-fold increase in NMU gene expression within native chromatin, revealing complex enhancer facilitation mechanisms.
- Why it matters: Understanding how enhancers function in their natural chromatin environment is crucial for decoding gene regulation and its implications for health and disease.
- What they did: Using a genome-rewriting platform, the study dissected eNMU into sub-elements, identifying an autonomous enhancer e1 and an inactive facilitator e2 that amplifies e1’s activity across a 100-kb region.
- The result: Findings demonstrate that e1 forms a 3D regulatory hub and contains a bipartite structure, providing insights into enhancer architecture and its role in gene regulation at endogenous loci.