TARDBP and amyotrophic lateral sclerosis: TDP‐linked proteinopathies, including amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD) and limbic‐predominant age‐related TDP‐43 encephalopathy (LATE), are characterised by pathogenic deposits containing transactive response DNA‐binding protein 43 (TDP‐43) in the brain and spinal cord of patients.