| ○種別 (必須): | □ | 学術論文 (審査論文)
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| ○言語 (必須): | □ | 英語
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| ○カテゴリ (推奨): |
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| ○学究種別 (推奨): |
| ○組織 (推奨): |
| ○著者 (必須): | 1. | (英) Sagawa Yohei (日) (読)
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| 2. | (英) Sato Masatoshi (日) (読)
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| 3. | (英) Sakai Noriaki (日) (読)
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| 4. | 近久 幸子
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| 5. | (英) Chiba Shintaro (日) (読)
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| 6. | (英) Maruyama Takashi (日) (読)
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| 7. | (英) Yamamoto Junki (日) (読)
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| 8. | (英) Nishino Seiji (日) (読)
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| ○題名 (必須): | □ | (英) Wake-promoting effects of ONO-4127Na, a prostaglandin DP1 receptor antagonist, in hypocretin/orexin deficient narcoleptic mice. (日)
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| ○要約 (任意): | □ | (英) Prostaglandin (PG)D2 is an endogenous sleep substance, and a series of animal studies reported that PGD2 or PGD2 receptor (DP1) agonists promote sleep, while DP1 antagonists promote wakefulness. This suggests the possibility of use of PG DP1 antagonists as wake-promoting compounds. We therefore evaluated the wake-promoting effects of ONO-4127Na, a DP1 antagonist, in a mouse model of narcolepsy (i.e., orexin/ataxin-3 transgenic mice) and compared those to effects of modafinil. ONO-4127Na perfused in the basal forebrain (BF) area potently promoted wakefulness in both wild type and narcoleptic mice, and the wake-promoting effects of ONO-4127Na at 2.93 × 10(-4) M roughly corresponded to those of modafinil at 100 mg/kg (p.o.). The wake promoting effects of ONO-4127Na was observed both during light and dark periods, and much larger effects were seen during the light period when mice slept most of the time. ONO-4127Na, when perfused in the hypothalamic area, had no effects on sleep. We further demonstrated that wake-promoting effects of ONO-4127Na were abolished in DP1 KO mice, confirming that the wake-promoting effect of ONO-4127Na is mediated by blockade of the PG DP1 receptors located in the BF area. ONO-4127Na reduced DREM, an EEG/EMG assessment of behavioral cataplexy in narcoleptic mice, suggesting that ONO-4127Na is likely to have anticataplectic effects. DP1 antagonists may be a new class of compounds for the treatment of narcolepsy-cataplexy, and further studies are warranted. (日)
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| ○キーワード (推奨): | 1. | (英) Animals (日) (読)
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| 2. | (英) Ataxin-3 (日) (読)
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| 3. | (英) Benzhydryl Compounds (日) (読)
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| 4. | (英) Body Temperature (日) (読)
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| 5. | (英) Disease Models, Animal (日) (読)
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| 6. | (英) Electroencephalography (日) (読)
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| 7. | (英) Electromyography (日) (読)
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| 8. | (英) Hypothalamus (日) (読)
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| 9. | (英) Mice, Inbred C57BL (日) (読)
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| 10. | (英) Mice, Knockout (日) (読)
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| 11. | (英) Modafinil (日) (読)
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| 12. | (英) Motor Activity (日) (読)
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| 13. | (英) Narcolepsy (日) (読)
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| 14. | (英) Orexins (日) (読)
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| 15. | (英) Photoperiod (日) (読)
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| 16. | (英) Prosencephalon (日) (読)
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| 17. | (英) Prostaglandin Antagonists (日) (読)
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| 18. | (英) Receptors, Immunologic (日) (読)
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| 19. | (英) Receptors, Prostaglandin (日) (読)
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| 20. | (英) Sleep Stages (日) (読)
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| 21. | (英) Wakefulness (日) (読)
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| 22. | (英) Wakefulness-Promoting Agents (日) (読)
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| ○発行所 (推奨): |
| ○誌名 (必須): | □ | Neuropharmacology ([Pergamon Press])
(pISSN: 0028-3908, eISSN: 1873-7064)
| ○ISSN (任意): | □ | 1873-7064
ISSN: 0028-3908
(pISSN: 0028-3908, eISSN: 1873-7064) Title: NeuropharmacologyTitle(ISO): NeuropharmacologyPublisher: Elsevier Ltd (NLM Catalog)
(Scopus)
(CrossRef)
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| ○巻 (必須): | □ | 110
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| ○号 (必須): | □ | Pt A
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| ○頁 (必須): | □ | 268 276
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| ○都市 (任意): |
| ○年月日 (必須): | □ | 西暦 2016年 7月 26日 (平成 28年 7月 26日)
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| ○URL (任意): |
| ○DOI (任意): | □ | 10.1016/j.neuropharm.2016.07.013 (→Scopusで検索)
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| ○PMID (任意): | □ | 27474349 (→Scopusで検索)
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| ○備考 (任意): | 1. | (英) PublicationType: Journal Article (日)
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