PLA2G6 and neurodegeneration with brain iron accumulation 2A: To study the neuropathology in mice, we obtained two INAD mouse models: mice that lack Pla2g6 (Pla2g6KO/KO) (Bao et al., 2004) and mice that carry a homozygous G373R point mutation (Pla2g6G373R/G373R) (Wada et al., 2009).