Monarch Disease Ontology entry MONDO_0010459 (amyotrophic lateral sclerosis type 15) is any amyotrophic lateral sclerosis in which the cause of the disease is a mutation in the UBQLN2 gene. Also known as: ALS15, UBQLN2 amyotrophic lateral sclerosis, amyotrophic lateral sclerosis 15, amyotrophic lateral sclerosis 15, with or without frontotemporal dementia, amyotrophic lateral sclerosis 15, with or without frontotemporal dementia, X-linked dominant, amyotrophic lateral sclerosis caused by mutation in UBQLN2.