HNRNPDL and proximal spinal muscular atrophy: Low et al.402 have conducted a detailed review of the regulatory role of HNRNP family members in neurodegenerative diseases, involving spinal muscular atrophy (SMA), Alzheimer’s disease (AD), amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), multiple sclerosis (MS), congenital muscular atrophy syndrome (CMS) and fragile X-related tremor/ataxia syndrome (FXTAS).