Effects of urocortin, corticotropin-releasing factor (CRF) receptor agonist, and astressin, CRF receptor antagonist, on the sleep-wake pattern: analysis by radiotelemetry in conscious rat
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- Uchida Masayuki
- Food Science Institute, Division of Research and Development, Meiji Dairies Corporation
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- Suzuki Masayuki
- Food Science Institute, Division of Research and Development, Meiji Dairies Corporation
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- Shimizu Kimiko
- Food Science Institute, Division of Research and Development, Meiji Dairies Corporation
書誌事項
- タイトル別名
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- Effects of Urocortin, Corticotropin-Releasing Factor (CRF) Receptor Agonist, and Astressin, CRF Receptor Antagonist, on the Sleep-Wake Pattern: Analysis by Radiotelemetry in Conscious Rats
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Stress has been known to release corticotropin-releasing factor (CRF) and have an affect on sleep–wake patterns. However, there is no direct evidence of CRF receptor agonist and antagonist on sleep–wake patterns. Therefore, this study aimed to clarify this point by using radiotelemetry system in conscious rats. Wake, non-rapid eye-moving (NREM) sleep and rapid eye-moving (REM) sleep were analyzed by computer software, simultaneously measuring electroencephalogram and electromyogram. In the light period, urocortin (CRF receptor agonist: i.v.) significantly increased wake duration, and decreased NREM sleep duration. REM sleep was not affected. Astressin (CRF receptor antagonist: i.p.) significantly attenuated the changes induced by urocortin, although astressin itself did not affect the sleep–wake pattern in the light period at this dosage. These findings show that urocortin changes the sleep–wake pattern in the light period. Moreover, urocortin was found to change the sleep–wake pattern by acting on CRF receptor, as astressin significantly attenuated the urocortin-induced changes on sleep–wake patterns.
収録刊行物
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- Biological & Pharmaceutical Bulletin
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Biological & Pharmaceutical Bulletin 30 (10), 1895-1897, 2007
公益社団法人 日本薬学会
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詳細情報 詳細情報について
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- CRID
- 1390001204625111552
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- NII論文ID
- 110006436371
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- NII書誌ID
- AA10885497
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- ISSN
- 13475215
- 09186158
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- NDL書誌ID
- 8919205
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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
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可