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    Brain Res. 2005 Mar 15;1038(1):113-7.

    Involvement of cyclic GMP-dependent protein kinase in nitrous oxide-induced anxiolytic-like behavior in the mouse light/dark exploration test.

    Source

    Department of Pharmaceutical Sciences, College of Pharmacy, Washington State University, Pullman, WA 99164-6534, USA.

    Abstract

    The second messenger cyclic GMP (cGMP) plays a role in the anxiolytic-like behavioral response of mice to nitrous oxide (N2O). This study was conducted to determine whether this behavioral effect of N2O is affected by inhibition of cGMP-dependent protein kinase (PKG). N2O-induced behavior in the light/dark exploration test was significantly attenuated by the PKG inhibitors H-8 and Rp-8-pCPT-cGMPS but not Rp-8-pCPT-cAMPS, an inhibitor of cAMP-dependent protein kinase. These findings implicate PKG in the mediation or modulation of the anxiolytic-like behavioral response to N2O.

    PMID:
    15748880
    [PubMed - indexed for MEDLINE]

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