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Action of α-Adrenoceptors in Liver Blood Flow Regulation during Treadmill Exercise in Dogs
https://doi.org/10.15112/00000130
https://doi.org/10.15112/0000013045ceb617-e9fe-4a56-855e-a9189e4662ec
| 名前 / ファイル | ライセンス | アクション |
|---|---|---|
PDF (616.9 kB)
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| Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||||
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| 公開日 | 1998-01-01 | |||||||
| タイトル | ||||||||
| タイトル | Action of α-Adrenoceptors in Liver Blood Flow Regulation during Treadmill Exercise in Dogs | |||||||
| 言語 | en | |||||||
| 言語 | ||||||||
| 言語 | eng | |||||||
| キーワード | ||||||||
| 言語 | en | |||||||
| 主題Scheme | Other | |||||||
| 主題 | hepatic arterial blood flow | |||||||
| キーワード | ||||||||
| 言語 | en | |||||||
| 主題Scheme | Other | |||||||
| 主題 | portal venous blood flow | |||||||
| キーワード | ||||||||
| 言語 | en | |||||||
| 主題Scheme | Other | |||||||
| 主題 | negative feedback mechanism | |||||||
| キーワード | ||||||||
| 言語 | en | |||||||
| 主題Scheme | Other | |||||||
| 主題 | α 2-adrenoceptor | |||||||
| 資源タイプ | ||||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||||
| 資源タイプ | departmental bulletin paper | |||||||
| ID登録 | ||||||||
| ID登録 | 10.15112/00000130 | |||||||
| ID登録タイプ | JaLC | |||||||
| ページ属性 | ||||||||
| 内容記述タイプ | Other | |||||||
| 内容記述 | P(論文) | |||||||
| 著者名(英) |
Nagao, Mitsushiro
× Nagao, Mitsushiro
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| 著者所属(英) | ||||||||
| en | ||||||||
| Department of Health & Sports Sciences, Faculty of Medical Professions, Kawasaki University of Medical Welfare | ||||||||
| 抄録(英) | ||||||||
| en | ||||||||
| The purpose of this study was to determine how the liver blood flow is maintained during running in dogs and to examine the sympathetic system that regulates hepatic circulation during dynamic exercise. Heart rate (HR), mean blood pressure (MBP), superior mesenteric arterial flow (SMAF), the external iliac arterial flow (EIAF), the hepatic arterial flow (HAF), and the portal venous flow (PVF) were measured during tredmill exercise at 8Km/h with a 9% grade.HR, MBP, and EIAF increased significantly, while SMAF and PVF decreased significantly during exercise. HAF fell slightly, but not significantly. This response of HAF was reduced significantly by pretreatment with yohimbine and was eliminated by combining prazosin with the yohimbine. PVF responses were unmodified by α_1 and/or α_2 adrenoceptor blockers. These results suggest that blood flow to the splanchnic organs of the dog was decreased, while HAF was kept constant by a negative feedback mechanism mediated by the presynaptic α_2-adrenoceptor during dynamic exercise. | ||||||||
| 書誌情報 |
en : Kawasaki journal of medical welfare 巻 4, 号 1, p. 29-38, 発行日 1998 |
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| 公開者 | ||||||||
| 出版者 | 川崎医療福祉学会 | |||||||
| 雑誌書誌ID | ||||||||
| 収録物識別子タイプ | NCID | |||||||
| 収録物識別子 | AA11108172 | |||||||
| ISSN | ||||||||
| 収録物識別子タイプ | ISSN | |||||||
| 収録物識別子 | 1341-5077 | |||||||
