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Profiling the human hippocampal proteome at all pathologic stages of Alzheimer's disease

  • D.C. H
  • P. V
  • K.W. L
  • et al.
ISSN: 1552-5279
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Abstract

Introduction We performed a comprehensive quantitative proteomics study on human hippocampus tissue involving all Braak stages to assess changes in protein abundance over the various stages of Alzheimer's disease (AD). Methods Hippocampal subareas CA1 and subiculum of 40 cases were isolated using laser capture microdissection and analyzed using mass spectrometry. Immunoblotting and immunohistochemistry were used for validation. Results Over the Braak stages, an altered expression was found for 372 proteins including changes in levels of extracellular matrix components, and in calcium-dependent signaling proteins. Early changes were observed in levels of proteins related to cytoskeletal dynamics and synaptic components including an increase in RIMS1 and GRIK4. Several synaptic proteins, such as BSN, LIN7A, DLG2, -3, and -4, exhibit an early-up, late-down expression pattern. Discussion This study provides new insight into AD-dependent changes in protein levels in the hippocampus during AD pathology, identifying potential novel therapeutic targets and biomarkers.

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APA

D.C., H., P., V. N., K.W., L., J.J.M., H., R.C., V. D. S., E.S., V. H., … A.B., S. (2016). Profiling the human hippocampal proteome at all pathologic stages of Alzheimer’s disease. Alzheimer’s and Dementia, 12(6), 654–668. Retrieved from http://www.embase.com/search/results?subaction=viewrecord&from=export&id=L608113965 http://dx.doi.org/10.1016/j.jalz.2015.11.002

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