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  • A homozygous mutation in PE...
    Bacino, Carlos; Chao, Yu-Hsin; Seto, Elaine; Lotze, Tim; Xia, Fan; Jones, Richard O; Moser, Ann; Wangler, Michael F

    Molecular genetics and metabolism reports, 12/2015, Volume: 5
    Report

    We present a patient with a unique neurological phenotype with a progressive neurodegenerative phenotype. An 18-year diagnostic odyssey for the patient ended when exome sequencing identified a homozygous PEX16 mutation suggesting an atypical peroxisomal biogenesis disorder (PBD). Interestingly, the patient's peroxisomal biochemical abnormalities were subtle, such that plasma very-long-chain fatty acids initially failed to provide a diagnosis. This case suggests next-generation sequencing may be diagnostic in some atypical peroxisomal biogenesis disorders.