SORCS1 alters amyloid precursor protein processing and variants may increase Alzheimer's disease risk

Christiane Reitz, Shinya Tokuhiro, Lorraine N. Clark, Christopher Conrad, Jean Paul Vonsattel, Lili Naz Hazrati, András Palotás, Raphael Lantigua, Martin Medrano, Ivonne Z. Jiménez-Velázquez, Badri Vardarajan, Irene Simkin, Jonathan L. Haines, Margaret A Pericak-Vance, Lindsay A. Farrer, Joseph H. Lee, Ekaterina Rogaeva, Peter St. George-Hyslop, Richard Mayeux

Research output: Contribution to journalArticle

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Abstract

Objective: Sorting mechanisms that cause the amyloid precursor protein (APP) and the β-secretases and γ-secretases to colocalize in the same compartment play an important role in the regulation of Aβ production in Alzheimer's disease (AD). We and others have reported that genetic variants in the Sortilin-related receptor (SORL1) increased the risk of AD, that SORL1 is involved in trafficking of APP, and that underexpression of SORL1 leads to overproduction of Aβ. Here we explored the role of one of its homologs, the sortilin-related VPS10 domain containing receptor 1 (SORCS1), in AD. Methods: We analyzed the genetic associations between AD and 16 SORCS1-single nucleotide polymorphisms (SNPs) in 6 independent data sets (2,809 cases and 3,482 controls). In addition, we compared SorCS1 expression levels of affected and unaffected brain regions in AD and control brains in microarray gene expression and real-time polymerase chain reaction (RT-PCR) sets, explored the effects of significant SORCS1-SNPs on SorCS1 brain expression levels, and explored the effect of suppression and overexpression of the common SorCS1 isoforms on APP processing and Aβ generation. Results: Inherited variants in SORCS1 were associated with AD in all datasets (0.001 < p < 0.049). In addition, SorCS1 influenced APP processing. While overexpression of SorCS1 reduced γ-secretase activity and Aβ levels, the suppression of SorCS1 increased γ-secretase processing of APP and the levels of Aβ. Interpretations: These data suggest that inherited or acquired changes in SORCS1 expression or function may play a role in the pathogenesis of AD.

Original languageEnglish
Pages (from-to)47-64
Number of pages18
JournalAnnals of Neurology
Volume69
Issue number1
DOIs
StatePublished - Jan 1 2011

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Amyloid beta-Protein Precursor
Amyloid Precursor Protein Secretases
Alzheimer Disease
Single Nucleotide Polymorphism
Brain
Serum Amyloid A Protein
Real-Time Polymerase Chain Reaction
Protein Isoforms
Gene Expression

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Reitz, C., Tokuhiro, S., Clark, L. N., Conrad, C., Vonsattel, J. P., Hazrati, L. N., ... Mayeux, R. (2011). SORCS1 alters amyloid precursor protein processing and variants may increase Alzheimer's disease risk. Annals of Neurology, 69(1), 47-64. https://doi.org/10.1002/ana.22308

SORCS1 alters amyloid precursor protein processing and variants may increase Alzheimer's disease risk. / Reitz, Christiane; Tokuhiro, Shinya; Clark, Lorraine N.; Conrad, Christopher; Vonsattel, Jean Paul; Hazrati, Lili Naz; Palotás, András; Lantigua, Raphael; Medrano, Martin; Jiménez-Velázquez, Ivonne Z.; Vardarajan, Badri; Simkin, Irene; Haines, Jonathan L.; Pericak-Vance, Margaret A; Farrer, Lindsay A.; Lee, Joseph H.; Rogaeva, Ekaterina; St. George-Hyslop, Peter; Mayeux, Richard.

In: Annals of Neurology, Vol. 69, No. 1, 01.01.2011, p. 47-64.

Research output: Contribution to journalArticle

Reitz, C, Tokuhiro, S, Clark, LN, Conrad, C, Vonsattel, JP, Hazrati, LN, Palotás, A, Lantigua, R, Medrano, M, Jiménez-Velázquez, IZ, Vardarajan, B, Simkin, I, Haines, JL, Pericak-Vance, MA, Farrer, LA, Lee, JH, Rogaeva, E, St. George-Hyslop, P & Mayeux, R 2011, 'SORCS1 alters amyloid precursor protein processing and variants may increase Alzheimer's disease risk', Annals of Neurology, vol. 69, no. 1, pp. 47-64. https://doi.org/10.1002/ana.22308
Reitz, Christiane ; Tokuhiro, Shinya ; Clark, Lorraine N. ; Conrad, Christopher ; Vonsattel, Jean Paul ; Hazrati, Lili Naz ; Palotás, András ; Lantigua, Raphael ; Medrano, Martin ; Jiménez-Velázquez, Ivonne Z. ; Vardarajan, Badri ; Simkin, Irene ; Haines, Jonathan L. ; Pericak-Vance, Margaret A ; Farrer, Lindsay A. ; Lee, Joseph H. ; Rogaeva, Ekaterina ; St. George-Hyslop, Peter ; Mayeux, Richard. / SORCS1 alters amyloid precursor protein processing and variants may increase Alzheimer's disease risk. In: Annals of Neurology. 2011 ; Vol. 69, No. 1. pp. 47-64.
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AU - Vonsattel, Jean Paul

AU - Hazrati, Lili Naz

AU - Palotás, András

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