Effect of timepidium bromide, an anticholinergic agent, on gastric and duodenal blood flow distribution in rabbits.
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- NAITO Kazuaki
- Pharmacological Research Laboratory, Tanabe Seiyaku Co., Ltd.
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- OTSUKA Minezo
- Pharmacological Research Laboratory, Tanabe Seiyaku Co., Ltd.
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- HARIGAYA Shoichi
- Pharmacological Research Laboratory, Tanabe Seiyaku Co., Ltd.
書誌事項
- タイトル別名
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- Effect of Timepidium Bromide an Anticho
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抄録
Effects of timepidium bromide (TB; anticholinergic agent), acetylcholine (ACh) and neostigmine (Neost) on gastric and duodenal blood flow distribution were studied by the use of 131I-labeled macro-aggregated human serum albumin (MAA) in rabbits. In normal rabbits, gastric blood flow was found to be uneven in various regions of the stomach: anterior corpus (50% of total gastric blood flow)>posterior corpus (40%)> pyloric antrum (7%). Intravenous administration of TB (200 μg/kg) to normal rabbits produced a slight increase in total gastric blood flow, but the increase in the mucosal layer of the pyloric antrum was considerable. On the other hand, ACh (10 μg/kg, i.v.) and Neost (50 μg/kg, i.v.) significantly reduced the total gastric blood flow, in particular, the mucosal blood flow in the anterior and posterior corpus. This reduction in blood flow was virtually abolished by TB and was restored to the normal level. These results suggest that these cholinergic or anticholinergic drugs affect the gastric blood flow and that these effects may be mediated through muscarinic receptors. Blood flow in the duodenum was only slightly changed by these drugs.
収録刊行物
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- Jpn.J.Pharmacol.
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Jpn.J.Pharmacol. 32 (1), 73-80, 1982
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
- 1390282679264139392
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- NII論文ID
- 130000835497
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- NII書誌ID
- AA00691188
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- COI
- 1:CAS:528:DyaL38XhtlGrsL0%3D
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- ISSN
- 13473506
- 00215198
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- NDL書誌ID
- 2482030
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- PubMed
- 7087265
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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
- PubMed
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可