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    Amino Acids. 2011 Oct;41(4):991-6. Epub 2011 Aug 23.

    Increased in vivo release of neuropeptide S in the amygdala of freely moving rats after local depolarisation and emotional stress.

    Ebner K, Rjabokon A, Pape HC, Singewald N.

    Source

    Department of Pharmacology and Toxicology, Institute of Pharmacy, Center for Molecular Biosciences Innsbruck (CMBI), Leopold-Franzens-University of Innsbruck, Peter Mayr-Str.1, 6020, Innsbruck, Austria. karl.ebner@uibk.ac.at

    Abstract

    Intracerebral microdialysis in conjunction with a highly sensitive radioimmunoassay was used to study the in vivo release of neuropeptide S (NPS) within the amygdala of freely moving rats. NPS was consistently detected in basolateral amygdala dialysates and the release considerably enhanced in response to local depolarisation as well as exposure to forced swim stress. Thus, our data demonstrate for the first time emotional stress-induced release of NPS in the amygdala supporting a functional role of endogenous NPS in stress/anxiety-related phenomena.

    PMID:
    21861171
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3172411
    Free PMC Article

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