Comprehensive epigenetic analyses reveal master regulators driving lung metastasis of breast cancer.

ABSTRACT: The lung metastasis of breast cancer involves complicated regulatory changes driven by chromatin remodelling. However, the epigenetic reprogramming and regulatory mechanisms in lung metastasis of breast cancer remain unclear. Here, we generated and analysed genome-wide profiles of multiple histone modifications (H3K4me3, H3K27ac, H3K27me3, H3K4me1 and H3K9me3), as well as transcriptome data in lung-metastatic and non-lung-metastatic breast cancer cells. Our results showed that the expression changes were correlated with the enrichment of specific histone modifications in promoters and enhancers. Promoter and enhancer reprogramming regulated gene expression in a synergetic way, and involved in multiple important biological processes and pathways. In addition, lots of gained super-enhancers

SUBMITTER: Li K 

PROVIDER: S-EPMC6653217 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature