『徳島大学 教育・研究者情報データベース (EDB)』---[学外] /
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種別 (必須): 学術論文 (審査論文) [継承]
言語 (必須): 英語 [継承]
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審査 (推奨):
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) Takashi Ban (日) (読)
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学籍番号 (推奨):
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2. (英) Masao Kojima (日) (読)
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3. (英) Hideaki Sada (日) (読)
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4.大下 修造
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題名 (必須): (英) Effects of prenylamine on transmembrane action potentials as related to the change in external potassium concentrations in guinea pig papillary muscle  (日)    [継承]
副題 (任意):
要約 (任意): (英) We studied the effects of 4.8 muM prenylamine on transmembrane potentials in isolated guinea pig papillary muscles using a conventional microelectrode technique and compared them with those of 36.9 microM lidocaine. Prenylamine reduced Vmax at 1 Hz increasingly as the external potassium, [K]o, was increased from 2.7 to 10 mM. The reduction was also increased as the driving rate was increased from 0.25 to 5 Hz. The rate-dependent depression was less in 2.7 and 8.1 mM with 7.2 mM [Ca]o and more in 5.4 and 8.1 mM [K]o with 1.8 mM [Ca]o. Prenylamine produced a marked delay in the recovery of Vmax in premature responses inserted between constant driving stimuli at 0.25 Hz. The delay was also less in the former two, and more in the latter two media. Thus the effects of prenylamine on Vmax were more rate dependent and less [K]o-dependent than those of 36.9 microM lidocaine. At the diastolic interval of 100 ms, prenylamine depressed the overshoot, action potential duration at 0 mV level (APDo) and Vmax in premature responses more markedly than did 36.9 microM lidocaine, the differences of the effects being more significant for the first two. The results are interpreted as representing the calcium-antagonistic property of prenylamine of which lidocaine appears to be devoid.  (日)    [継承]
キーワード (推奨): 1. (英) Action Potentials (日) (読) [継承]
2. (英) Animals (日) (読) [継承]
3. (英) Electric Stimulation (日) (読) [継承]
4. (英) Female (日) (読) [継承]
5. (英) Guinea Pigs (日) (読) [継承]
6.心臓 (heart) [継承]
7. (英) In Vitro Techniques (日) (読) [継承]
8. (英) Kinetics (日) (読) [継承]
9. (英) Male (日) (読) [継承]
10.心筋 (myocardium) [継承]
11. (英) Papillary Muscles (日) (読) [継承]
12.カリウム (potassium) [継承]
13. (英) Prenylamine (日) (読) [継承]
発行所 (推奨):
誌名 (必須): Journal of Cardiovascular Pharmacology ([Lippincott Williams & Wilkins])
(pISSN: 0160-2446, eISSN: 1533-4023)

ISSN (任意): 0160-2446
ISSN: 0160-2446 (pISSN: 0160-2446, eISSN: 1533-4023)
Title: Journal of cardiovascular pharmacology
Title(ISO): J Cardiovasc Pharmacol
Publisher: Lippincott Williams & Wilkins Ltd.
 (NLM Catalog  (Scopus  (CrossRef (Scopus information is found. [need login])
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(必須): 4 [継承]
(必須): 4 [継承]
(必須): 601 608 [継承]
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年月日 (必須): 西暦 1982年 0月 初日 (昭和 57年 0月 初日) [継承]
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PMID (任意): 6181334    (→Scopusで検索) [継承]
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備考 (任意): 1.(英) Article.PublicationTypeList.PublicationType: Journal Article  (日)    [継承]
2.(英) MedlineDate: 1982 Jul-Aug  (日)    [継承]

標準的な表示

和文冊子 ● Ban Takashi, Kojima Masao, Sada Hideaki and Shuzo Oshita : Effects of prenylamine on transmembrane action potentials as related to the change in external potassium concentrations in guinea pig papillary muscle, Journal of Cardiovascular Pharmacology, Vol.4, No.4, 601-608, 1982.
欧文冊子 ● Ban Takashi, Kojima Masao, Sada Hideaki and Shuzo Oshita : Effects of prenylamine on transmembrane action potentials as related to the change in external potassium concentrations in guinea pig papillary muscle, Journal of Cardiovascular Pharmacology, Vol.4, No.4, 601-608, 1982.

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