Figure 4 Voltage-clamp recordings of KCNJ18 carrying the patient's SNVs expressed in Xenopus laevis oocytes under control conditions and after application of 10 µM furosemide Voltage-clamp recordings of KCNJ18 carrying the patient's SNVs expressed in Xenopus laevis oocytes under control conditions and after application of 10 µM furosemide SNV = single-nucleotide variation. Muhidien Soufi et al. Neurol Genet 2018;4:e274 Copyright © 2018 The Author(s). Published by Wolters Kluwer Health, Inc. on behalf of the American Academy of Neurology.