PLA2G6, encoding a phospholipase A2, is mutated in neurodegenerative disorders with high brain iron

Neil V Morgan, Shawn K Westaway, Jenny E V Morton, Allison Gregory, Paul Gissen, Scott Sonek, Hakan Cangul, Jason Coryell, Natalie Canham, Nardo Nardocci, Giovanna Zorzi, Shanaz Pasha, Diana Rodriguez, Isabelle Desguerre, Amar Mubaidin, Enrico Bertini, Richard C Trembath, Alessandro Simonati, Carolyn Schanen, Colin A Johnson, Barbara Levinson, C Geoffrey Woods, Beth Wilmot, Patricia Kramer, Jane Gitschier, Eamonn R Maher, Susan J Hayflick
Nature Genetics 2006, 38 (7): 752-4
Neurodegenerative disorders with high brain iron include Parkinson disease, Alzheimer disease and several childhood genetic disorders categorized as neuroaxonal dystrophies. We mapped a locus for infantile neuroaxonal dystrophy (INAD) and neurodegeneration with brain iron accumulation (NBIA) to chromosome 22q12-q13 and identified mutations in PLA2G6, encoding a calcium-independent group VI phospholipase A2, in NBIA, INAD and the related Karak syndrome. This discovery implicates phospholipases in the pathogenesis of neurodegenerative disorders with iron dyshomeostasis.

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