ATAC-Seq of R555 SMC from ascending aorta
For bulk ATAC-seq, sorted SMCs were processed according to the Omni-ATAC-seq protocol. In brief, freshly sorted SMCs were lysed in cold ATAC-seq resuspension buffer containing 0.1% NP40 (11332473001, Sigma), 0.1% Tween-20 (11332465001, Sigma) and 0.01% Di