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Chromatin

Definition
AI-generated

Chromatin is the complex of genomic DNA with histones and other proteins that packages the genome inside the nucleus.

Why it matters in GWAS

Noncoding GWAS hits often overlap enhancers and other regulatory elements defined by chromatin assays (e.g. ATAC-seq, DNase-seq, ChIP-seq), motivating integration of chromatin state with genetic association.

Example usage

"Open chromatin marks at the locus supported a regulatory mechanism for the association signal."

References

  • Allis CD, Jenuwein T. (2016). The molecular hallmarks of epigenetic control. Nat Rev Genet.

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