ERBB2 and hypertensive disorder: Similarly, there were 4 consistent circRNAs between ICH and hypertension (HTN) in our previous study (Figure 3B) (Bai et al., 2021); 2 of them were consistently altered in the two comparison groups, including hsa_circ_0027725 and a novel circRNA (host gene ERBB2) we named circERBB2 (Figure 3C).