KCNH1 and glioblastoma: Here, we aimed at disentangling the contribution of hERG/Eag1 inhibition to TMZ-induced cytotoxicity and CSEN, using established human glioblastoma cell lines and primary glioblastoma cells, by applying the potent inhibitors astemizole and terfenadine as model substances (Toplak et al. 2022).