國家衛生研究院 NHRI:Item 3990099045/6760
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/6760


    Title: Metabotropic glutamate receptor 5 modulates behavioral and hypothermic responses to toluene in rats
    Authors: Chan, MH;Lee, CC;Lin, BF;Wu, CY;Chen, HH
    Contributors: Division of Mental Health and Addiction Medicine
    Abstract: Toluene, a widely used and commonly abused organic solvent, produces various behavioral disturbances in both humans and animals. Blockade of N-methyl-D-aspartate (NMDA) receptors has been suggested to play a critical role in acute toluene-induced behavioral manifestations. Activation of type 5 metabotropic glutamate receptors (mGluR5) attenuates behavioral responses induced by NMDA receptor blockade. The present study elucidated the role of mGluR5 on toluene-induced behavioral and hypothermic responses. Male Sprague–Dawley rats received the mGluR5 agonist (RS)-2-chloro-5-hydroxyphenylglycine (CHPG) or antagonist 6-methyl-2-[phenylethynyl]-pyridine (MPEP) prior to toluene administration. Rotarod test, step-down inhibitory avoidance learning task, and rectal temperature were monitored. Pretreatment of CHPG and MPEP attenuated and potentiated these toluene-induced responses, respectively. In addition, the inhibitory effects of CHPG on toluene-induced motor incoordination, learning impairment, and hypothermia were reversed by the protein kinase C (PKC) inhibitor chelerythrine chloride. These findings suggest that mGluR5 may modulate the neural circuits responsible for motor incoordination, learning impairment, and hypothermic action of toluene through a PKC-dependent signal transduction pathway.
    Date: 2012-12
    Relation: Pharmacology Biochemistry and Behavior. 2012 Dec;103(2):418-424.
    Link to: http://dx.doi.org/10.1016/j.pbb.2012.09.019
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0091-3057&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000312350200036
    Cited Times(Scopus): http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=84867593027
    Appears in Collections:[Hwei-Hisen Chen] Periodical Articles

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