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Frontotemporal deme...
Frontotemporal dementia in a large Swedish family is caused by a progranulin null mutation
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- Skoglund, Lena (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Department of Public Health and Caring Sciences, Uppsala University, Dag Hammarskjölds väg 20, 751 85, Uppsala, Sweden
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- Brundin, RoseMarie (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Department of Public Health and Caring Sciences, Uppsala University, Dag Hammarskjölds väg 20, 751 85, Uppsala, Sweden
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- Olofsson, Tommie (author)
- Uppsala universitet,Institutionen för kirurgiska vetenskaper,Uppsala Univ, Dept Surg Sci, S-75185 Uppsala, Sweden
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- Kalimo, Hannu (author)
- Uppsala universitet,Institutionen för genetik och patologi,Univ Helsinki, Dept Pathol, Helsinki, Finland ; Uppsala Univ, Dept Genet & Pathol, S-75185 Uppsala, Sweden
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- Ingvast, Sofie (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Blom, Elin S (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Giedraitis, Vilmantas (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Ingelsson, Martin (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Lannfelt, Lars (author)
- Uppsala universitet,Geriatrik,Molekylär geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Basun, Hans (author)
- Uppsala universitet,Geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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- Glaser, Anna (author)
- Uppsala universitet,Geriatrik,Uppsala Univ, Dept Publ Hlth & Caring Sci, S-75185 Uppsala, Sweden
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(creator_code:org_t)
- 2008-10-15
- 2009
- English.
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In: Neurogenetics. - : Springer Science and Business Media LLC. - 1364-6745 .- 1364-6753. ; 10:1, s. 27-34
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Subject headings
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- Mutations in the progranulin (PGRN) gene have recently been identified in families with frontotemporal lobar degeneration and ubiquitin-positive brain inclusions linked to chromosome 17q21. We have previously described a Swedish family displaying frontotemporal dementia with rapid progression and linkage to chromosome 17q21. In this study, we performed an extended clinical and neuropathological investigation of affected members of the family and a genetic analysis of the PGRN gene. There was a large variation of the initial presenting symptoms in this family, but common clinical features were non-fluent aphasia and loss of spontaneous speech as well as personality and behavioural changes. Mean age at onset was 54 years with disease duration of close to 4 years. Neuropathological examination revealed frontotemporal neurodegeneration with ubiquitin and TAR DNA binding protein-43 immunoreactive intraneuronal inclusions. Mutation screening of the PGRN gene identified a 1 bp deletion in exon 1 causing a frameshift of the coding sequence and introducing a premature termination codon in exon 2 (Gly35GlufsX19). Analysis of PGRN messenger RNA (mRNA) levels revealed a considerable decrease in lymphoblasts from mutation carriers and fragment size separation, and sequence analysis confirmed that the mutated mRNA allele was almost absent in these samples. In conclusion, the PGRN Gly35fs mutation causes frontotemporal dementia with variable clinical presentation in a large Swedish family, most likely through nonsense-mediated decay of mutant PGRN mRNA and resulting haploinsufficiency.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Medicinsk genetik (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Medical Genetics (hsv//eng)
Keyword
- Frontotemporal lobar degeneration
- Frontotemporal dementia
- Progranulinn
- Ubiquitin
- TDP-43
- MEDICINE
- MEDICIN
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Skoglund, Lena
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Brundin, RoseMar ...
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Olofsson, Tommie
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Kalimo, Hannu
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Ingvast, Sofie
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Blom, Elin S
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Giedraitis, Vilm ...
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Ingelsson, Marti ...
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Lannfelt, Lars
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Basun, Hans
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Glaser, Anna
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- About the subject
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- MEDICAL AND HEALTH SCIENCES
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MEDICAL AND HEAL ...
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and Basic Medicine
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and Medical Genetics
- Articles in the publication
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Neurogenetics
- By the university
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Uppsala University
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Högskolan Dalarna