Genomics

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Gene regulatory loops at lamina-associated domains


ABSTRACT: The nuclear lamina provides a repressive chromatin environment at the nuclear periphery. However, whereas most genes in lamina-associated domains (LADs) are repressed, approximately ten percent reside in local euchromatic contexts and are expressed. How these genes are regulated and whether they are able to contact regulatory elements in LADs or outside LADs remains unclear. Here, we integrate transcriptomic, chromatin states, microscopy and publicly available enhancer-capture Hi-C data to show that expressed genes in LADs are able to connect to enhancers in LADs and inter-LADs. Our data favor a model where the spatial topology of chromatin at the nuclear lamina is compatible with transcriptional regulation in this dynamic nuclear compartment.

ORGANISM(S): Homo sapiens

PROVIDER: GSE221288 | GEO | 2023/01/01

REPOSITORIES: GEO

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