Sequence variants of IDE are associated with the extent of β-amyloid deposition in the Alzheimer's disease brain

Insulin degrading enzyme, encoded by IDE, plays a primary role in the degradation of amyloid β-protein (Aβ), the deposition of which in senile plaques is one of the defining hallmarks of Alzheimer's disease (AD). We recently identified haplotypes in a broad linkage disequilibrium (LD) block enc...

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Veröffentlicht in:Neurobiology of aging 2005-06, Vol.26 (6), p.795-802
Hauptverfasser: Blomqvist, Mia E.-L., Chalmers, Katy, Andreasen, Niels, Bogdanovic, Nenad, Wilcock, Gordon K., Cairns, Nigel J., Feuk, Lars, Brookes, Anthony J., Love, Seth, Blennow, Kaj, Kehoe, Patrick G., Prince, Jonathan A.
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container_end_page 802
container_issue 6
container_start_page 795
container_title Neurobiology of aging
container_volume 26
creator Blomqvist, Mia E.-L.
Chalmers, Katy
Andreasen, Niels
Bogdanovic, Nenad
Wilcock, Gordon K.
Cairns, Nigel J.
Feuk, Lars
Brookes, Anthony J.
Love, Seth
Blennow, Kaj
Kehoe, Patrick G.
Prince, Jonathan A.
description Insulin degrading enzyme, encoded by IDE, plays a primary role in the degradation of amyloid β-protein (Aβ), the deposition of which in senile plaques is one of the defining hallmarks of Alzheimer's disease (AD). We recently identified haplotypes in a broad linkage disequilibrium (LD) block encompassing IDE that associate with several AD-related quantitative traits. Here, by examining 32 polymorphic markers extending across IDE and testing quantitative measures of plaque density and cognitive function in three independent Swedish AD samples, we have refined the probable position of pathogenic sequences to a 3′ region of IDE, with local maximum effects in the proximity of marker rs1887922. To replicate these findings, a subset of variants were examined against measures of brain Aβ load in an independent English AD sample, whereby maximum effects were again observed for rs1887922. For both Swedish and English autopsy materials, variation at rs1887922 explained approximately 10% of the total variance in the respective histopathology traits. However, across all clinical materials studied to date, this variant site does not appear to associate directly with disease, suggesting that IDE may affect AD severity rather than risk. Results indicate that alleles of IDE contribute to variability in Aβ deposition in the AD brain and suggest that this relationship may have relevance for the degree of cognitive dysfunction in AD patients.
doi_str_mv 10.1016/j.neurobiolaging.2004.07.011
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Prion diseases ; DNA Mutational Analysis - methods ; England - epidemiology ; Genetic Markers - genetics ; Genetic Predisposition to Disease - epidemiology ; Genetic Variation ; Geriatrics ; Geriatrik ; Humans ; IDE ; in-vivo ; insulin-degrading enzyme ; Insulysin - genetics ; Insulysin - metabolism ; Linkage disequilibrium ; Linkage Disequilibrium - genetics ; Medical sciences ; missense mutations ; Molecular Sequence Data ; Mutation ; Neurology ; Neurosciences ; Neurovetenskaper ; onset ; plasma a-beta-42 ; protein ; Quantitative Trait Loci - genetics ; Statistics as Topic ; Sweden - epidemiology ; β-Amyloid</subject><ispartof>Neurobiology of aging, 2005-06, Vol.26 (6), p.795-802</ispartof><rights>2004 Elsevier Inc.</rights><rights>2005 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c489t-6683d5601f0ade1e7f85fe1ece831b3fb355d82fecbc5f13067d1311e033522a3</citedby><cites>FETCH-LOGICAL-c489t-6683d5601f0ade1e7f85fe1ece831b3fb355d82fecbc5f13067d1311e033522a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0197458004002854$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>230,314,776,780,881,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&amp;idt=16558578$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15718037$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink><backlink>$$Uhttps://gup.ub.gu.se/publication/80129$$DView record from Swedish Publication Index$$Hfree_for_read</backlink><backlink>$$Uhttp://kipublications.ki.se/Default.aspx?queryparsed=id:1954875$$DView record from Swedish Publication Index$$Hfree_for_read</backlink></links><search><creatorcontrib>Blomqvist, Mia E.-L.</creatorcontrib><creatorcontrib>Chalmers, Katy</creatorcontrib><creatorcontrib>Andreasen, Niels</creatorcontrib><creatorcontrib>Bogdanovic, Nenad</creatorcontrib><creatorcontrib>Wilcock, Gordon K.</creatorcontrib><creatorcontrib>Cairns, Nigel J.</creatorcontrib><creatorcontrib>Feuk, Lars</creatorcontrib><creatorcontrib>Brookes, Anthony J.</creatorcontrib><creatorcontrib>Love, Seth</creatorcontrib><creatorcontrib>Blennow, Kaj</creatorcontrib><creatorcontrib>Kehoe, Patrick G.</creatorcontrib><creatorcontrib>Prince, Jonathan A.</creatorcontrib><title>Sequence variants of IDE are associated with the extent of β-amyloid deposition in the Alzheimer's disease brain</title><title>Neurobiology of aging</title><addtitle>Neurobiol Aging</addtitle><description>Insulin degrading enzyme, encoded by IDE, plays a primary role in the degradation of amyloid β-protein (Aβ), the deposition of which in senile plaques is one of the defining hallmarks of Alzheimer's disease (AD). 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Leukodystrophies. Prion diseases</topic><topic>DNA Mutational Analysis - methods</topic><topic>England - epidemiology</topic><topic>Genetic Markers - genetics</topic><topic>Genetic Predisposition to Disease - epidemiology</topic><topic>Genetic Variation</topic><topic>Geriatrics</topic><topic>Geriatrik</topic><topic>Humans</topic><topic>IDE</topic><topic>in-vivo</topic><topic>insulin-degrading enzyme</topic><topic>Insulysin - genetics</topic><topic>Insulysin - metabolism</topic><topic>Linkage disequilibrium</topic><topic>Linkage Disequilibrium - genetics</topic><topic>Medical sciences</topic><topic>missense mutations</topic><topic>Molecular Sequence Data</topic><topic>Mutation</topic><topic>Neurology</topic><topic>Neurosciences</topic><topic>Neurovetenskaper</topic><topic>onset</topic><topic>plasma a-beta-42</topic><topic>protein</topic><topic>Quantitative Trait Loci - genetics</topic><topic>Statistics as Topic</topic><topic>Sweden - epidemiology</topic><topic>β-Amyloid</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Blomqvist, Mia E.-L.</creatorcontrib><creatorcontrib>Chalmers, Katy</creatorcontrib><creatorcontrib>Andreasen, Niels</creatorcontrib><creatorcontrib>Bogdanovic, Nenad</creatorcontrib><creatorcontrib>Wilcock, Gordon K.</creatorcontrib><creatorcontrib>Cairns, Nigel J.</creatorcontrib><creatorcontrib>Feuk, Lars</creatorcontrib><creatorcontrib>Brookes, Anthony J.</creatorcontrib><creatorcontrib>Love, Seth</creatorcontrib><creatorcontrib>Blennow, Kaj</creatorcontrib><creatorcontrib>Kehoe, Patrick G.</creatorcontrib><creatorcontrib>Prince, Jonathan A.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>SwePub</collection><collection>SwePub Articles</collection><collection>SWEPUB Göteborgs universitet</collection><jtitle>Neurobiology of aging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Blomqvist, Mia E.-L.</au><au>Chalmers, Katy</au><au>Andreasen, Niels</au><au>Bogdanovic, Nenad</au><au>Wilcock, Gordon K.</au><au>Cairns, Nigel J.</au><au>Feuk, Lars</au><au>Brookes, Anthony J.</au><au>Love, Seth</au><au>Blennow, Kaj</au><au>Kehoe, Patrick G.</au><au>Prince, Jonathan A.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Sequence variants of IDE are associated with the extent of β-amyloid deposition in the Alzheimer's disease brain</atitle><jtitle>Neurobiology of aging</jtitle><addtitle>Neurobiol Aging</addtitle><date>2005-06-01</date><risdate>2005</risdate><volume>26</volume><issue>6</issue><spage>795</spage><epage>802</epage><pages>795-802</pages><issn>0197-4580</issn><eissn>1558-1497</eissn><coden>NEAGDO</coden><abstract>Insulin degrading enzyme, encoded by IDE, plays a primary role in the degradation of amyloid β-protein (Aβ), the deposition of which in senile plaques is one of the defining hallmarks of Alzheimer's disease (AD). We recently identified haplotypes in a broad linkage disequilibrium (LD) block encompassing IDE that associate with several AD-related quantitative traits. Here, by examining 32 polymorphic markers extending across IDE and testing quantitative measures of plaque density and cognitive function in three independent Swedish AD samples, we have refined the probable position of pathogenic sequences to a 3′ region of IDE, with local maximum effects in the proximity of marker rs1887922. To replicate these findings, a subset of variants were examined against measures of brain Aβ load in an independent English AD sample, whereby maximum effects were again observed for rs1887922. For both Swedish and English autopsy materials, variation at rs1887922 explained approximately 10% of the total variance in the respective histopathology traits. However, across all clinical materials studied to date, this variant site does not appear to associate directly with disease, suggesting that IDE may affect AD severity rather than risk. Results indicate that alleles of IDE contribute to variability in Aβ deposition in the AD brain and suggest that this relationship may have relevance for the degree of cognitive dysfunction in AD patients.</abstract><cop>London</cop><pub>Elsevier Inc</pub><pmid>15718037</pmid><doi>10.1016/j.neurobiolaging.2004.07.011</doi><tpages>8</tpages></addata></record>
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subjects a-beta
Alzheimer Disease - epidemiology
Alzheimer Disease - genetics
Alzheimer Disease - metabolism
Alzheimer's disease
Amino Acid Sequence
Amyloid beta-Peptides - genetics
Amyloid beta-Peptides - metabolism
Biological and medical sciences
block spanning ide
Brain - metabolism
Chromosome Mapping - methods
converting enzyme
Degenerative and inherited degenerative diseases of the nervous system. Leukodystrophies. Prion diseases
DNA Mutational Analysis - methods
England - epidemiology
Genetic Markers - genetics
Genetic Predisposition to Disease - epidemiology
Genetic Variation
Geriatrics
Geriatrik
Humans
IDE
in-vivo
insulin-degrading enzyme
Insulysin - genetics
Insulysin - metabolism
Linkage disequilibrium
Linkage Disequilibrium - genetics
Medical sciences
missense mutations
Molecular Sequence Data
Mutation
Neurology
Neurosciences
Neurovetenskaper
onset
plasma a-beta-42
protein
Quantitative Trait Loci - genetics
Statistics as Topic
Sweden - epidemiology
β-Amyloid
title Sequence variants of IDE are associated with the extent of β-amyloid deposition in the Alzheimer's disease brain
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