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  1. 0 資料タイプ別
  2. 02 学位論文
  1. 250 大学院医歯学総合研究科(医)
  2. 60 博士学位論文
  3. 10 博士学位論文

EGF/ニューレグリン受容体キナーゼのクロザピン依存的抑制

http://hdl.handle.net/10191/0002000285
http://hdl.handle.net/10191/0002000285
1dfd6ce2-2c0e-4223-9411-b191a6efc503
名前 / ファイル ライセンス アクション
r2nmk980.pdf 本文 (1.43MB)
r2nmk980_a.pdf 要旨 (559KB)
Item type 学位論文 / Thesis or Dissertation(1)
公開日 2022-04-04
タイトル
言語 en
タイトル Clozapine-dependent inhibition of EGF/neuregulin receptor (ErbB) kinases
タイトル
言語 ja
タイトル EGF/ニューレグリン受容体キナーゼのクロザピン依存的抑制
言語
言語 eng
資源タイプ
資源 http://purl.org/coar/resource_type/c_db06
タイプ doctoral thesis
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
著者 小林, 雄太朗

× 小林, 雄太朗

en Kobayashi, Yutaro

ja 小林, 雄太朗

Search repository
抄録
内容記述タイプ Abstract
内容記述 Clozapine is an antipsychotic agent prescribed to psychotic patients exhibiting tolerance and/or resistance to the conventional antipsychotic medications that mainly drive monoamine antagonism. As the pharmacological fundamentals of its unique antipsychotic profile have been unrevealed, here, we attempted to obtain hints at this question. Here, we found that clozapine directly acts on ErbB kinases to downregulate epidermal growth factor (EGF)/neuregulin signaling. In cultured cell lines and cortical neurons, EGF-triggered ErbB1 phosphorylation was diminished by 30 μM clozapine, but not haloperidol, risperidone, or olanzapine. The neuregulin-1-triggered ErbB4 phosphorylation was attenuated by 10 μM clozapine and 30 μM haloperidol. We assumed that clozapine may directly interact with the ErbB tyrosine kinases and affect their enzyme activity. To test this assumption, we performed in vitro kinase assays using recombinant truncated ErbB kinases. Clozapine (3–30 μM) significantly decreased the enzyme activity of the truncated ErbB1, B2, and B4 kinases. Acute in vivo administration of clozapine (20 mg/kg) to adult rats significantly suppressed the basal phosphorylation levels of ErbB4 in the brain, although we failed to detect effects on basal ErbB1 phosphorylation. Altogether with the previous findings that quinazoline inhibitors for ErbB kinases harbor antipsychotic potential in animal models for schizophrenia, our present observations suggest the possibility that the micromolar concentrations of clozapine can attenuate the activity of ErbB receptor kinases, which might illustrate a part of its unique antipsychotic psychopharmacology.
言語 en
内容記述
内容記述タイプ Other
内容記述 Translational Psychiatry. 2019, 9, 181.
言語 en
DOI
識別子タイプ DOI
関連識別子 https://doi.org/10.1038/s41398-019-0519-1
権利
言語 en
権利情報 【○!C】 The Author(s) 2019
権利
言語 en
権利情報Resource https://creativecommons.org/licenses/by/4.0/
権利情報 Creative Commons Attribution 4.0 International
学位名
言語 ja
学位名 博士(医学)
学位授与機関
学位授与機関識別子Scheme kakenhi
学位授与機関識別子 13101
言語 ja
学位授与機関名 新潟大学
言語 en
学位授与機関名 Niigata University
学位授与年月日
学位授与年月日 2021-03-23
学位授与番号
学位授与番号 甲第4826号
学位記番号
内容記述タイプ Other
内容記述 新大院博(医)第980号
言語 ja
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