Molecular Pathopharmacology of 5-HT_<2C> Receptors and the RNA Editing in the Brain

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Among the 14 kinds of serotonin (5-hydroxytryptamine, 5-HT) receptor subtypes (5-HTR), 5-HT<sub>2C</sub> receptor (5-HT2CR) has been intensively investigated because of its physiologically and pathophysiologically important role in the brain. 5-HT2CR has been suggested to be involved in depressive disorders based on findings from pharmacological/neurochemical/behavioral studies using autopsy preparations of humans suffering from depression, animal models of depression, and animals treated with antidepressant drugs. Recently the editing of 5-HT2CR mRNA has been reported to participate in the pathogenesis of depressive disease. The RNA editing of 5-HT2CR induced by the presumable alteration of deaminase during a pathological state in depression causes changes of a base to another base (e.g., adenosine to guanosine, cytidine to uracil (thymidine)), followed by changes in amino acids constituting the second intracellular transmembrane loop that couples G proteins. Thus 5-HT2CR receptor-mediated signal transduction is changed. In the present review, the pathopharmacological significance of 5-HT2CR in special reference to RNA editing of receptors is reviewed and discussed from the aspect of development of novel therapeutics for depression.<br>

収録刊行物

  • Journal of pharmacological sciences  

    Journal of pharmacological sciences 100(5), 427-432, 2006-05-15 

    The Japanese Pharmacological Society

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各種コード

  • NII論文ID(NAID)
    10018238768
  • NII書誌ID(NCID)
    AA11806667
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    13478613
  • NDL 記事登録ID
    7963191
  • NDL 雑誌分類
    ZS51(科学技術--薬学)
  • NDL 請求記号
    Z53-D199
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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