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Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease. Clinical heterogeneity and complex genetics pose challenges to understanding disease mechanisms and producing effective cures. To model clinical heterogeneity, we generated human induced pluripotent stem cells (iPSCs) from two sporadic ALS patients (sporadic ALS and sporadic ALS with frontotemporal dementia), two familial ALS patients (familial SOD1 mutation positive and familial C9orf72 repeat expansion positive), and four age- and sex-matched healthy controls. These iPSCs can be used to generate 2D and 3D in vitro models of ALS to investigate mechanisms of disease and screen for therapeutics., Competing Interests: Declaration of competing interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Timothy J Tracey reports financial support was provided by Motor Neurone Disease Research Australia. Shyuan T Ngo reports financial support was provided by National Health and Medical Research Council. Shyuan T Ngo reports financial support was provided by Motor Neurone Disease Research Australia. Shyuan T Ngo reports financial support was provided by FightMND. If there are other authors, they declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease in which the TDP-43 protein is believed to play a central role in disease pathophysiology. Using the CRISPR-Cas9 system, we introduced the heterozygous c.1144G > A (p.A382T) missense mutation in exon 6 of the TARDBP gene into an iPSC line derived from a healthy individual. These edited iPSCs displayed normal cellular morphology, expressed major pluripotency markers, were capable of tri-lineage differentiation, and possessed a normal karyotype., Competing Interests: Declaration of Competing Interest The authors declare the following financial interests/personal relationships which may be considered as potential competing interests: Shyuan Ngo reports financial support was provided by National Health and Medical Research Council. Timothy Tracey reports financial support was provided by University of Queensland. Leanne Jiang reports financial support was provided by The University of Western Australia. Shyuan Ngo reports financial support was provided by MND and Me Foundation. Shyuan Ngo reports financial support was provided by Royal Brisbane and Women’s Hospital Foundation. Shyuan Ngo reports financial support was provided by FightMND. Shyuan Ngo reports consultancy fees from Cytokinetics., (Copyright © 2023 The Author(s). Published by Elsevier B.V. All rights reserved.)