GBA1 and Parkinson disease: Three iPSC lines obtained from one PD patient with a mutation in the GBA1 gene (https://hpscreg.eu/cell-line/ICGi034-A; https://hpscreg.eu/cell-line/ICGi034-B; https://hpscreg.eu/cell-line/ICGi034-C; all accessed on 19 May 2023) and two apparently healthy individuals (https://hpscreg.eu/cell-line/ICGi021-A; https://hpscreg.eu/cell-line/ICGi022-A; all accessed on 19 May 2023) were taken into the study.