Intradermal Cholinergic Agonists Induce Itch-Associated Response via M_3 Muscarinic Acetylcholine Receptors in Mice

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In the present study, we examined whether cholinergic agonists would elicit an itch-associated response in mice. When mice were given an intradermal injection of carbachol (1 – 10 nmol) or bethanechol (0.3 – 100 nmol) into the rostral back, they showed the dose-dependent increase of scratching. Nicotine (1 – 10 nmol) showed no effect. Pretreatment with naloxone, but not with terfenadine, significantly suppressed the carbachol-induced scratching. When intradermally co-injected with carbachol, atropine and 4-DAMP but neither methoctramine nor pancuronium significantly inhibited the carbachol-induced scratching. Muscarinic agonists are suggested to produce itch through activation of M<sub>3</sub> muscarinic receptors in the skin.

収録刊行物

  • The Japanese journal of pharmacology

    The Japanese journal of pharmacology 88(3), 351-354, 2002-03-01

    The Japanese Pharmacological Society

参考文献:  15件中 1-15件 を表示

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各種コード

  • NII論文ID(NAID)
    10008188089
  • NII書誌ID(NCID)
    AA00691188
  • 本文言語コード
    ENG
  • 資料種別
    SHO
  • ISSN
    00215198
  • NDL 記事登録ID
    6119653
  • 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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