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三磷酸肌醇(IP3)的增加先于α-肾上腺素能受体诱导的心肌收缩力增加。

Increase in IP3 precedes alpha-adrenoceptor-induced increase in force of contraction in cardiac muscle.

作者信息

Schmitz W, Scholz H, Scholz J, Steinfath M

出版信息

Eur J Pharmacol. 1987 Aug 4;140(1):109-11. doi: 10.1016/0014-2999(87)90641-8.

DOI:10.1016/0014-2999(87)90641-8
PMID:3040445
Abstract

In electrically driven left auricles isolated from rat hearts the alpha 1-adrenoceptor agonist phenylephrine increased inositol trisphosphate (IP3) and force of contraction. The increase in IP3 preceded the increase in force of contraction, indicating that the alpha 1-adrenoceptor-mediated increase in IP3 and force of contraction may have been causally related.

摘要

在从大鼠心脏分离出的电驱动左心房中,α1 -肾上腺素能受体激动剂去氧肾上腺素增加了肌醇三磷酸(IP3)和收缩力。IP3的增加先于收缩力的增加,这表明α1 -肾上腺素能受体介导的IP3增加和收缩力增加可能存在因果关系。

相似文献

1
Increase in IP3 precedes alpha-adrenoceptor-induced increase in force of contraction in cardiac muscle.三磷酸肌醇(IP3)的增加先于α-肾上腺素能受体诱导的心肌收缩力增加。
Eur J Pharmacol. 1987 Aug 4;140(1):109-11. doi: 10.1016/0014-2999(87)90641-8.
2
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Alpha-1 adrenoceptor-mediated positive inotropic effect and inositol trisphosphate increase in mammalian heart.α-1肾上腺素能受体介导的哺乳动物心脏正性肌力作用及三磷酸肌醇增加。
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Effects of carbachol and (-)-N6-phenylisopropyladenosine on myocardial inositol phosphate content and force of contraction.卡巴胆碱和(-)-N6-苯异丙基腺苷对心肌肌醇磷酸含量及收缩力的影响。
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[Inositol trisphosphate, a new "second messenger" for positive inotropic effects on the heart?].[肌醇三磷酸,一种对心脏产生正性肌力作用的新型“第二信使”?]
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引用本文的文献

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3
Effects of ischaemia, reperfusion and alpha 1-adrenergic receptor stimulation on the inositoltrisphosphate receptor population in rat heart atria and ventricles.
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Mol Cell Biochem. 1994 Nov 9;140(1):23-30. doi: 10.1007/BF00928362.
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Inositol phosphates in the heart: controversy and consensus.心脏中的肌醇磷酸:争议与共识。
J Mol Med (Berl). 1995 Jun;73(6):313-23. doi: 10.1007/BF00231618.
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Mol Cell Biochem. 1995;147(1-2):105-14. doi: 10.1007/BF00944790.
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