Perenthaler E, Nikoncuk A, Yousefi S, Berdowski WM, Alsagob M, Capo I, van der Linde HC, van den Berg P, Jacobs EH, Putar D, Ghazvini M, Aronica E, van IJcken WFJ, de Valk WG, Medici-van den Herik E, van Slegtenhorst M, Brick L, Kozenko M, Kohler JN, Bernstein JA, Monaghan KG, Begtrup A, Torene R, Al Futaisi A, Al Murshedi F, Mani R, Al Azri F, Kamsteeg EJ, Mojarrad M, Eslahi A, Khazaei Z, Darmiyan FM, Doosti M, Karimiani EG, Vandrovcova J, Zafar F, Rana N, Kandaswamy KK, Hertecant J, Bauer P, AlMuhaizea MA, Salih MA, Aldosary M, Almass R, Al-Quait L, Qubbaj W, Coskun S, Alahmadi KO, Hamad MHA, Alwadaee S, Awartani K, Dababo AM, Almohanna F, Colak D, Dehghani M, Mehrjardi MYV, Gunel M, Ercan-Sencicek AG, Passi GR, Cheema HA, Efthymiou S, Houlden H, Bertoli-Avella AM, Brooks AS, Retterer K, Maroofian R, Kaya N, van Ham TJ, Barakat TS. Loss of UGP2 in brain leads to a severe epileptic encephalopathy, emphasizing that bi-allelic isoform-specific start-loss mutations of essential genes can cause genetic diseases. Acta Neuropathologica 2019, 139: 415-442. PMID: 31820119, PMCID: PMC7035241, DOI: 10.1007/s00401-019-02109-6.Peer-Reviewed Original Research