PLA2G6 and neurodegeneration with brain iron accumulation 2A: Recessive mutations in PLA2G6 [MIM 603604], the gene encoding (iPLA2β/iPLA2-VI), have been associated with different neurodegenerative disorders, including infantile neuroaxonal dystrophy (INAD), neurodegeneration with brain iron accumulation (NBIA) and more recently, early-onset dystonia parkinsonism [3].