This 234 nt circRNA, hsa_circ_0022614, identified in the human reference genome (GRCh37/hg19), originates from the exon 2 and exon 3 regions of the microtubule affinity regulating kinase 2 (MARK2) gene (chr11:63662630–63663105), and is thus referred to as circMARK2 (Fig. S1B). We ...