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. 2018 Sep 6;7:e36187. doi: 10.7554/eLife.36187

Table 1. Abbreviations used throughout the text.

Abbreviation Definition
ATAC Assay for Transposase Accessible Chromatin
BBB Blood-brain barrier
CRE Cis-regulatory element
DEG Differentially expressed gene
DMR Differentially methylated region
DMV DNA methylation valley (UMR > 3 kb)
EC Endothelial cell
ECTS-hypo-DMR Endothelial cell tissue-specific hypo-DMR
ECTSAP Endothelial cell tissue-specific ATAC-seq peak
ECTSG Endothelial cell tissue-specific gene
GO Gene ontology
LMR Low-methylated region (hypomethylated, CG-poor)
PCA Principal component analysis
scRNA-seq Single-cell RNA-seq
TF Transcription factor
TSS Transcription start site
UMR Unmethylated region (hypomethylated, CG-rich)