Identification and Expression of Frizzled-3 Protein in Rat Frontal Cortex After Antidepressant and Electroconvulsive Treatment
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- Yamada Misa
- Department of Psychogeriatrics, National Institute of Mental Health, National Center of Neurology and Psychiatry Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Iwabuchi Tomoko
- Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Takahashi Kou
- Department of Psychogeriatrics, National Institute of Mental Health, National Center of Neurology and Psychiatry Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Kurahashi Chika
- Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Ohata Hisayuki
- Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Honda Kazuo
- Department of Pharmacology, School of Pharmaceutical Sciences, Showa University
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- Higuchi Teruhiko
- Musashi Hospital, National Center of Neurology and Psychiatry
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- Yamada Mitsuhiko
- Department of Psychogeriatrics, National Institute of Mental Health, National Center of Neurology and Psychiatry
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The biological basis for the therapeutic mechanisms of depression are still unknown. While performing EST (expressed sequence tag) analysis to identify some molecular machinery responsible for the antidepressant effect, we determined the full-length nucleotide sequence of rat frizzled-3 protein (Frz3) cDNA. Interestingly, Northern blot analysis demonstrated that elevated levels of Frz3 were expressed continually from embryonic day 20.5 to postnatal 4 weeks in developing rat brain. In adult rat brain, Frz3 mRNA was expressed predominantly in the cerebral cortex and hypothalamus and moderately in the hippocampus. Using real-time quantitative PCR, we demonstrated that chronic treatment with two different classes of antidepressants, imipramine and sertraline, reduced Frz3 mRNA expression significantly in rat frontal cortex. Electroconvulsive treatment (ECT) also reduced Frz3 expression. In contrast, antidepressants and ECT failed to reduce Frz2 expression. Additionally, chronic treatment with the antipsychotic drug haloperidol did not affect Frz3 expression. Recently, the Frz/Wingless protein pathway has been proposed to direct a complex behavioral phenomenon. In conclusion, the Frz3-mediated signaling cascade may be a component of the molecular machinery targeted by therapeutics commonly used to treat depression.<br>
収録刊行物
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- Journal of Pharmacological Sciences
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Journal of Pharmacological Sciences 99 (3), 239-246, 2005
公益社団法人 日本薬理学会
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詳細情報 詳細情報について
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- CRID
- 1390001205175802496
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- NII論文ID
- 10025731184
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- NII書誌ID
- AA11806667
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- ISSN
- 13478648
- 13478613
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- NDL書誌ID
- 7709989
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
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