Defining neurodegeneration on Guam by targeted genomic sequencing
Copyright policy )Defining neurodegeneration on Guam by targeted genomic sequencing
ObjectiveAmyotrophic lateral sclerosis/parkinsonism–dementia complex has been described in Guam, Western Papua, and the Kii Peninsula of Japan. The etiology and pathogenesis of this complex neurodegenerative disease remains enigmatic.MethodsIn this study, we have used targeted genomic sequencing to evaluate the contribution of genetic variability in the pathogenesis of amyotrophic lateral sclerosis, parkinsonism, and dementia in Guamanian Chamorros.ResultsGenes previously linked to or associated with amyotrophic lateral sclerosis, parkinsonism, dementia, and related neurodegenerative syndromes were sequenced in Chamorro subjects living in the Mariana Islands. Homozygous PINK1 p.L347P, heterozygous DCTN1 p.T54I, FUS p.P431L, and HTT (42 CAG repeats) were identified as pathogenic mutations.InterpretationThe findings explain the clinical, pathologic, and genetic heterogeneity observed in some multi‐incident families and contribute to the excess incidence of neurodegeneration previously reported on Guam. Ann Neurol 2015;77:458–468
- Mayo Clinic United States
- University of British Columbia Canada
- University College London United Kingdom
- National Institutes of Health United States
- National Institute of Health Pakistan
Adult, Aged, 80 and over, Male, Huntingtin Protein, Amyotrophic Lateral Sclerosis, Nerve Tissue Proteins, Parkinson Disease, Dynactin Complex, Syndrome, Middle Aged, Pedigree, Guam, Humans, RNA-Binding Protein FUS, Dementia, Microtubule-Associated Proteins, Protein Kinases, Aged
Adult, Aged, 80 and over, Male, Huntingtin Protein, Amyotrophic Lateral Sclerosis, Nerve Tissue Proteins, Parkinson Disease, Dynactin Complex, Syndrome, Middle Aged, Pedigree, Guam, Humans, RNA-Binding Protein FUS, Dementia, Microtubule-Associated Proteins, Protein Kinases, Aged
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