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Brain tau deposition linked to systemic causes of death in normal elderly.


ABSTRACT: The relationship between causes of death and 4 major neurodegenerative brain proteins (beta-amyloid, tau, alpha-synuclein, and the TAR DNA-binding protein of 43 kDa (TDP-43) were assessed in 94 cognitively normal elderly participants that died without a neurodegenerative disease. There was an association between tau and causes of death (p = 0.01). Tau in the brain was associated with a reduced likelihood of dying from systemic cancers (p = 0.046), and with an increased likelihood of dying from pulmonary (p = 0.03) and gastrointestinal (p = 0.049) diseases. There were no associations between beta-amyloid, alpha-synuclein, or TDP-43 and causes of death. Tau deposition in the brain may have a relationship with systemic causes of death, including cancer, in the cognitively normal elderly.

SUBMITTER: Josephs KA 

PROVIDER: S-EPMC5221486 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Brain tau deposition linked to systemic causes of death in normal elderly.

Josephs Keith A KA   Tosakulwong Nirubol N   Weigand Stephen D SD   Murray Melissa E ME   Whitwell Jennifer L JL   Parisi Joseph E JE   Dickson Dennis W DW   Petersen Ronald C RC  

Neurobiology of aging 20161124


The relationship between causes of death and 4 major neurodegenerative brain proteins (beta-amyloid, tau, alpha-synuclein, and the TAR DNA-binding protein of 43 kDa (TDP-43) were assessed in 94 cognitively normal elderly participants that died without a neurodegenerative disease. There was an association between tau and causes of death (p = 0.01). Tau in the brain was associated with a reduced likelihood of dying from systemic cancers (p = 0.046), and with an increased likelihood of dying from p  ...[more]

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