CircHIPK3 regulates TGF-β1/smad3 signaling in communicating hydrocephalus after intraventricular hemorrhage by sponging miR-30a-3p via ACT1. - Yuan Y; Ouyang Q; Yang Y; Wang J; Wang K; Long P; Chen Y; Liu Z; Zhang Z; Su Z; Xiao G (Brain research bulletin, 2026)