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  • 1
    Publication Date: 1992-10-30
    Description: Fatal familial insomnia (FFI) and a subtype of familial Creutzfeldt-Jakob disease (CJD), two clinically and pathologically distinct diseases, are linked to the same mutation at codon 178 (Asn178) of the prion protein gene. The possibility that a second genetic component modified the phenotypic expression of the Asn178 mutation was investigated. FFI and the familial CJD subtype segregated with different genotypes determined by the Asn178 mutation and the methionine-valine polymorphism at codon 129. The Met129, Asn178 allele segregated with FFI in all 15 affected members of five kindreds whereas the Val129, Asn178 allele segregated with the familial CJD subtype in all 15 affected members of six kindreds. Thus, two distinct disease phenotypes linked to a single pathogenic mutation can be determined by a common polymorphism.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Goldfarb, L G -- Petersen, R B -- Tabaton, M -- Brown, P -- LeBlanc, A C -- Montagna, P -- Cortelli, P -- Julien, J -- Vital, C -- Pendelbury, W W -- 1 R01 AGNS08155-02/AG/NIA NIH HHS/ -- AG-08012-02/AG/NIA NIH HHS/ -- NS 14509-13/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1992 Oct 30;258(5083):806-8.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Laboratory of Central Nervous System Studies, National Institute of Neurological Diseases and Stroke, National Institutes of Health, Bethesda, Maryland 20892.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/1439789" target="_blank"〉PubMed〈/a〉
    Keywords: Adult ; Asparagine/genetics ; Chromosomes, Human, Pair 20 ; Codon ; Creutzfeldt-Jakob Syndrome/*genetics ; DNA/*genetics ; Genotype ; Humans ; Middle Aged ; *Mutation ; *Phenotype ; *Polymorphism, Genetic ; Prion Diseases/*genetics ; Prions/genetics ; Valine/genetics
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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  • 2
    Publication Date: 2009-03-03
    Description: Amyotrophic lateral sclerosis (ALS) is a fatal degenerative motor neuron disorder. Ten percent of cases are inherited; most involve unidentified genes. We report here 13 mutations in the fused in sarcoma/translated in liposarcoma (FUS/TLS) gene on chromosome 16 that were specific for familial ALS. The FUS/TLS protein binds to RNA, functions in diverse processes, and is normally located predominantly in the nucleus. In contrast, the mutant forms of FUS/TLS accumulated in the cytoplasm of neurons, a pathology that is similar to that of the gene TAR DNA-binding protein 43 (TDP43), whose mutations also cause ALS. Neuronal cytoplasmic protein aggregation and defective RNA metabolism thus appear to be common pathogenic mechanisms involved in ALS and possibly in other neurodegenerative disorders.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Kwiatkowski, T J Jr -- Bosco, D A -- Leclerc, A L -- Tamrazian, E -- Vanderburg, C R -- Russ, C -- Davis, A -- Gilchrist, J -- Kasarskis, E J -- Munsat, T -- Valdmanis, P -- Rouleau, G A -- Hosler, B A -- Cortelli, P -- de Jong, P J -- Yoshinaga, Y -- Haines, J L -- Pericak-Vance, M A -- Yan, J -- Ticozzi, N -- Siddique, T -- McKenna-Yasek, D -- Sapp, P C -- Horvitz, H R -- Landers, J E -- Brown, R H Jr -- New York, N.Y. -- Science. 2009 Feb 27;323(5918):1205-8. doi: 10.1126/science.1166066.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Department of Neurology, Massachusetts General Hospital, 114 16th Street, Charlestown, MA 02129, USA. tkwiatkowski@partners.org〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/19251627" target="_blank"〉PubMed〈/a〉
    Keywords: Age of Onset ; Amino Acid Substitution ; Amyotrophic Lateral Sclerosis/*genetics/metabolism/pathology ; Animals ; Brain/pathology ; Cell Line, Tumor ; Cell Nucleus/metabolism ; Chromosomes, Human, Pair 16/*genetics ; Cytoplasm/metabolism ; DNA-Binding Proteins/genetics/metabolism ; Exons ; Female ; Humans ; Male ; Mice ; Motor Neurons/chemistry/metabolism/ultrastructure ; Mutant Proteins/chemistry/genetics/metabolism ; *Mutation, Missense ; Neurons/metabolism/ultrastructure ; RNA/metabolism ; RNA-Binding Protein FUS/chemistry/*genetics/*metabolism ; Recombinant Fusion Proteins/metabolism ; Sequence Analysis, DNA ; Spinal Cord/pathology
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
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