GEO series
Epigenetic profiling in adult brain after prenatal BPA exposure [ATAC-seq]
GSE249015
Mus musculus
Genome binding/occupancy profiling by high throughput sequencing
10 samples
2024/05/29
GPL24247
Summary
We reported that, in C57BL/6Slac mice, prenatally exposure to low-dose BPA induces up-regulation of genes associated with neuronal function and down-regulation of genes related to mitochondrial oxidative phosphorylation. Three-dimensional chromatin organization of these differential expressed genes revealed that up-regulated genes are primarily under control of remote enhancers, while down-regulated genes appear to be regulated by chromatin interactions among relative adjacent genes. Further examination of genome-wide repressive epigenetic modifications, specifically DNA methylation, H3K27me3, and H3K9me3 revealed that transcription of down-regulated genes might be repressed directly by enhanced DNA methylation and H3K27me3 modifications at promoter regions and indirectly by increased DNA methylation at their corresponding interaction regions, while up-regulated genes might be regulated by loss of H3K9me3 occupancy on distal regulatory regions.
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Paper (PMID 38777957) ↗
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