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  • Differential Expression of 14-3-3 Isoforms in Human Alcoholic Brain

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    Author(s)
    MacKay, Rachel K
    Colson, Natalie J
    Dodd, Peter R
    Lewohl, Joanne M
    Griffith University Author(s)
    Lewohl, Joanne M.
    Colson, Natalie J.
    Okolicsanyi, Rachel
    Dodd, Peter
    Year published
    2011
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    Abstract
    Background:  Neuropathological damage as a result of chronic alcohol abuse often results in the impairment of cognitive function. The damage is particularly marked in the frontal cortex. The 14‐3‐3 protein family consists of 7 proteins, β, γ, ε, ζ, η, θ, and σ, encoded by 7 distinct genes. They are highly conserved molecular chaperones with roles in the regulation of metabolism, signal transduction, cell‐cycle control, protein trafficking, and apoptosis. They may also play an important role in neurodegeneration in chronic alcoholism. Methods:  We used real‐time PCR to measure the expression of 14‐3‐3 mRNA transcripts in ...
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    Background:  Neuropathological damage as a result of chronic alcohol abuse often results in the impairment of cognitive function. The damage is particularly marked in the frontal cortex. The 14‐3‐3 protein family consists of 7 proteins, β, γ, ε, ζ, η, θ, and σ, encoded by 7 distinct genes. They are highly conserved molecular chaperones with roles in the regulation of metabolism, signal transduction, cell‐cycle control, protein trafficking, and apoptosis. They may also play an important role in neurodegeneration in chronic alcoholism. Methods:  We used real‐time PCR to measure the expression of 14‐3‐3 mRNA transcripts in both the dorsolateral prefrontal cortex and motor cortex of human brains obtained at autopsy. Results:  We found significantly lower 14‐3‐3β, γ, and θ expression in both cortical areas of alcoholics, but no difference in 14‐3‐3η expression, and higher expression of 14‐3‐3σ in both areas. Levels of 14‐3‐3ζ and ε transcripts were significantly lower only in alcoholic motor cortex. Conclusions:  Altered 14‐3‐3 expression could contribute to synaptic dysfunction and altered neurotransmission in chronic alcohol misuse by human subjects.
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    Journal Title
    Alcoholism: Clinical and Experimental Research
    Volume
    35
    Issue
    6
    DOI
    https://doi.org/10.1111/j.1530-0277.2011.01436.x
    Copyright Statement
    © 2011 Research Society on Alcoholism. This is the peer reviewed version of the following article: Differential Expression of 14‐3‐3 Isoforms in Human Alcoholic Brain, Alcoholism, Volume 35, Issue 6, Pages 1041-1049, 2011, which has been published in final form at https://doi.org/10.1111/j.1530-0277.2011.01436.x. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving (http://olabout.wiley.com/WileyCDA/Section/id-828039.html)
    Subject
    Gene expression (incl. microarray and other genome-wide approaches)
    Clinical sciences
    Neurosciences
    Central nervous system
    Publication URI
    http://hdl.handle.net/10072/41196
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    • Journal articles

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