Cerebral 5-HT2A receptor and serotonin transporter binding in humans are not affected by the val66met BDNF polymorphism status or blood BDNF levels

Anders Bue Klein, Viktorija Trajkovska, David Erritzoe, Steven Haugbol, Jacob Madsen, William Baaré, Susana Aznar, Gitte M Knudsen

    10 Citationer (Scopus)

    Abstract

    Recent studies have proposed an interrelation between the brain-derived neurotrophic factor (BDNF) val66met polymorphism and the serotonin system. In this study, we investigated whether the BDNF val66met polymorphism or blood BDNF levels are associated with cerebral 5-hydroxytryptamine 2A (5-HT(2A)) receptor or serotonin transporter (SERT) binding in healthy subjects. No statistically significant differences in 5-HT(2A) receptor or SERT binding were found between the val/val and met carriers, nor were blood BDNF values associated with SERT binding or 5-HT(2A) receptor binding. In conclusion, val66met BDNF polymorphism status is not associated with changes in the serotonergic system. Moreover, BDNF levels in blood do not correlate with either 5-HT(2A) or SERT binding.
    OriginalsprogEngelsk
    TidsskriftJournal of Cerebral Blood Flow and Metabolism
    Vol/bind30
    Udgave nummer11
    Sider (fra-til)e1-7
    ISSN0271-678X
    DOI
    StatusUdgivet - 1 nov. 2010

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