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    Cerebral amyloid-ß accumulation and deposition following traumatic brain injury-A narrative review and meta-analysis of animal studies

    Access Status
    Fulltext not available
    Authors
    Bird, S.
    Sohrabi, H.
    Sutton, T.
    Weinborn, M.
    Rainey-Smith, S.
    Brown, B.
    Patterson, L.
    Taddei, K.
    Gupta, V.
    Carruthers, M.
    Lenzo, N.
    Knuckey, N.
    Bucks, R.
    Verdile, Giuseppe
    Martins, R.
    Date
    2016
    Type
    Journal Article
    
    Metadata
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    Citation
    Bird, S. and Sohrabi, H. and Sutton, T. and Weinborn, M. and Rainey-Smith, S. and Brown, B. and Patterson, L. et al. 2016. Cerebral amyloid-ß accumulation and deposition following traumatic brain injury-A narrative review and meta-analysis of animal studies. Neuroscience & Biobehavioral Reviews. 64: pp. 215-228.
    Source Title
    Neurosci Biobehav Rev
    DOI
    10.1016/j.neubiorev.2016.01.004
    School
    School of Biomedical Sciences
    URI
    http://hdl.handle.net/20.500.11937/41112
    Collection
    • Curtin Research Publications
    Abstract

    Traumatic brain injury (TBI), increases the risk of neurodegenerative disorders many years post-injury. However, molecular mechanisms underlying the relationship between TBI and neurodegenerative diseases, such as Alzheimer's disease (AD), remain to be elucidated. Nevertheless, previous studies have demonstrated a link between TBI and increased amyloid-ß (Aß), a protein involved in AD pathogenesis. Here, we review animal studies that measured Aß levels following TBI. In addition, from a pool of initially identified 1209 published papers, we examined data from 19 eligible animal model studies using a meta-analytic approach. We found an acute increase in cerebral Aß levels ranging from 24h to one month following TBI (overall log OR=2.97±0.40, p<0.001). These findings may contribute to further understanding the relationship between TBI and future dementia risk. The methodological inconsistencies of the studies discussed in this review suggest the need for improved and more standardised data collection and study design, in order to properly elucidate the role of TBI in the expression and accumulation of Aß.

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