AGTR1 and infantile convulsions and choreoathetosis: To confirm that ARBs inhibit the progression of iCCA cells through AGTR1/Hippo/MFAP5, we treated MFAP5 knockdown/control CAFs with ARBs/Ang II/XMU‐MP‐1, and extracted the supernatant for conditioned cultivation of HuCC‐T1.