Modeling of pathological traits in Alzheimer's disease based on systemic extracellular signaling proteome.

Markus Britschgi, Kaspar Rufibach, Sarah L Bauer Huang, Christopher M. Clark, Jeffrey A. Kaye, G. Li, Elaine R. Peskind, Joseph F. Quinn, Douglas R. Galasko, Tony Wyss-Coray

Research output: Contribution to journalArticle

Abstract

The study of chronic brain diseases including Alzheimer's disease in patients is typically limited to brain imaging or psychometric testing. Given the epidemic rise and insufficient knowledge about pathological pathways in sporadic Alzheimer's disease, new tools are required to identify the molecular changes underlying this disease. We hypothesize that levels of specific secreted cellular signaling proteins in cerebrospinal fluid or plasma correlate with pathological changes in the Alzheimer's disease brain and can thus be used to discover signaling pathways altered in the disease. Here we measured 91 proteins of this subset of the cellular communication proteome in plasma or cerebrospinal fluid in patients with Alzheimer's disease and cognitively normal controls to mathematically model disease-specific molecular traits. We found small numbers of signaling proteins that were able to model key pathological markers of Alzheimer's disease, including levels of cerebrospinal fluid β-amyloid and tau, and classify disease in independent samples. Several of these factors had previously been implicated in Alzheimer's disease supporting the validity of our approach. Our study also points to proteins which were previously unknown to be associated with Alzheimer's disease thereby implicating novel signaling pathways in this disorder.

Original languageEnglish (US)
JournalMolecular & cellular proteomics : MCP
Volume10
Issue number10
StatePublished - Oct 2011
Externally publishedYes

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Proteome
Alzheimer Disease
Cerebrospinal fluid
Cerebrospinal Fluid
Brain
Cerebrospinal Fluid Proteins
Proteins
Brain Diseases
Amyloid
Psychometrics
Neuroimaging
Chronic Disease
Cell signaling
Plasmas
Cellular radio systems
Communication
Imaging techniques

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Britschgi, M., Rufibach, K., Huang, S. L. B., Clark, C. M., Kaye, J. A., Li, G., ... Wyss-Coray, T. (2011). Modeling of pathological traits in Alzheimer's disease based on systemic extracellular signaling proteome. Molecular & cellular proteomics : MCP, 10(10).

Modeling of pathological traits in Alzheimer's disease based on systemic extracellular signaling proteome. / Britschgi, Markus; Rufibach, Kaspar; Huang, Sarah L Bauer; Clark, Christopher M.; Kaye, Jeffrey A.; Li, G.; Peskind, Elaine R.; Quinn, Joseph F.; Galasko, Douglas R.; Wyss-Coray, Tony.

In: Molecular & cellular proteomics : MCP, Vol. 10, No. 10, 10.2011.

Research output: Contribution to journalArticle

Britschgi, M, Rufibach, K, Huang, SLB, Clark, CM, Kaye, JA, Li, G, Peskind, ER, Quinn, JF, Galasko, DR & Wyss-Coray, T 2011, 'Modeling of pathological traits in Alzheimer's disease based on systemic extracellular signaling proteome.', Molecular & cellular proteomics : MCP, vol. 10, no. 10.
Britschgi, Markus ; Rufibach, Kaspar ; Huang, Sarah L Bauer ; Clark, Christopher M. ; Kaye, Jeffrey A. ; Li, G. ; Peskind, Elaine R. ; Quinn, Joseph F. ; Galasko, Douglas R. ; Wyss-Coray, Tony. / Modeling of pathological traits in Alzheimer's disease based on systemic extracellular signaling proteome. In: Molecular & cellular proteomics : MCP. 2011 ; Vol. 10, No. 10.
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