ATAC libraries were prepared from approximately 50 to 75 thousand of mononuclear cells using a Tagment DNA Enzyme Kit from Illumina (Cat # 20034198) by following the Omni-ATAC protocol (23 (link)). The ATAC libraries were run on 2% agarose gel and gel band corresponding to ~200–600 bp was cut to elute DNA fragments using the MinElute® Gel Extraction Kit (Qiagen), subjected to sequencing at the Genomics Core Facility at Marshall University with Illumina Nextseq2000.
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