Blocking of Adrenergic-cholinergic Interaction by Phenoxybenzamine
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- Hashimoto Koroku
- Department of Pharmacology, Tohoku University School of Medicine
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- Chiba Shigetoshi
- Department of Pharmacology, Tohoku University School of Medicine
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抄録
The selective administration of any naturally occurring catecholamine (dopamine, norepinephrine and epinephrine) into the sinus node artery induced suddenly deceleration of sinus rhythm in the course of its acceleration response, indicating depression of P wave or shift to A-V nodal rhythm. Atropine blocked the negative chronotropic effect. Phenoxyhenzamine and hemicholinium also blocked this effect, while acetylcholine (ACh) acted ordinarily even after treat-ments with these compounds. These observations suggest catecholamine-ACh interaction in which either phenoxybenzamine or hemicholinium blocks ACh release at the cholinergic nerve terminals.
収録刊行物
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- The Tohoku Journal of Experimental Medicine
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The Tohoku Journal of Experimental Medicine 94 (4), 431-432, 1968
東北ジャーナル刊行会
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詳細情報 詳細情報について
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- CRID
- 1390001204239666944
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- NII論文ID
- 130003497845
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- NII書誌ID
- AA00863920
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- COI
- 1:CAS:528:DyaF1cXkt1Gqtb8%3D
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- ISSN
- 13493329
- 00408727
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- NDL書誌ID
- 8507724
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- PubMed
- 5671803
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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