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蛋白激酶C参与毒蕈碱激动剂诱导的豚鼠回肠纵肌收缩。

Involvement of protein kinase C in muscarinic agonist-induced contractions of guinea pig ileal longitudinal muscle.

作者信息

Honda K, Takano Y, Kamiya H

机构信息

Department of Pharmacology, Faculty of Pharmaceutical Sciences, Fukuoka University, Japan.

出版信息

Gen Pharmacol. 1996 Sep;27(6):957-61. doi: 10.1016/0306-3623(95)02124-8.

DOI:10.1016/0306-3623(95)02124-8
PMID:8909975
Abstract
  1. Carbachol (10(-5) M) caused an initial transient contraction (phasic contraction) and a subsequent late contraction (tonic contraction) in the guinea pig ileum. The phasic contraction was markedly suppressed by calmodulin antagonist W-7, but not by protein kinase C inhibitor H-7. 2. The tonic contraction was suppressed by H-7, but not by W-7. 3. The carbachol-induced phasic contraction in the absence of extracellular Ca2+ was suppressed by both W-7 and H-7. 4. Carbachol (10(-5) M) stimulated the formation of inositol phosphates (IPs) in the guinea pig ileum. The carbachol-induced IPs formation was dependent on the extracellular Ca2+ concentration.
摘要
  1. 卡巴胆碱(10⁻⁵ M)可引起豚鼠回肠先出现短暂收缩(相性收缩),随后出现晚期收缩(紧张性收缩)。相性收缩明显受到钙调蛋白拮抗剂W-7的抑制,但不受蛋白激酶C抑制剂H-7的抑制。2. 紧张性收缩受到H-7的抑制,但不受W-7的抑制。3. 在无细胞外Ca²⁺的情况下,卡巴胆碱诱导的相性收缩受到W-7和H-7两者的抑制。4. 卡巴胆碱(10⁻⁵ M)刺激豚鼠回肠中肌醇磷酸(IPs)的形成。卡巴胆碱诱导的IPs形成依赖于细胞外Ca²⁺浓度。

相似文献

1
Involvement of protein kinase C in muscarinic agonist-induced contractions of guinea pig ileal longitudinal muscle.蛋白激酶C参与毒蕈碱激动剂诱导的豚鼠回肠纵肌收缩。
Gen Pharmacol. 1996 Sep;27(6):957-61. doi: 10.1016/0306-3623(95)02124-8.
2
Protein kinase C mediates increase of Ca2+ sensitivity for contraction by cholinoceptor partial agonist in ileal longitudinal muscle of guinea pig.蛋白激酶C介导豚鼠回肠纵行肌中胆碱受体部分激动剂对收缩的钙敏感性增加。
Gen Pharmacol. 1998 Jan;30(1):103-7. doi: 10.1016/s0306-3623(97)00083-9.
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Protein kinase C regulates the tonic but not the phasic component of contraction in guinea-pig ileum.蛋白激酶C调节豚鼠回肠收缩的紧张性成分,但不调节其相性成分。
Br J Pharmacol. 1989 Nov;98(3):791-8. doi: 10.1111/j.1476-5381.1989.tb14607.x.
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Inhibition of Rho-associated kinase blocks agonist-induced Ca2+ sensitization of myosin phosphorylation and force in guinea-pig ileum.抑制Rho相关激酶可阻断激动剂诱导的豚鼠回肠肌球蛋白磷酸化和张力的Ca2+致敏作用。
J Physiol. 2000 Jan 1;522 Pt 1(Pt 1):33-49. doi: 10.1111/j.1469-7793.2000.0033m.x.
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Inhibition of oxotremorine-induced desensitization of guinea-pig ileal longitudinal muscle in Ca2+-free conditions.在无钙条件下对氧化震颤素诱导的豚鼠回肠纵肌脱敏的抑制作用。
J Pharm Pharmacol. 2001 Feb;53(2):249-54. doi: 10.1211/0022357011775271.
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The sources of calcium for carbachol-induced contraction in the circular smooth muscle of guinea-pig stomach.豚鼠胃环形平滑肌中卡巴胆碱诱导收缩的钙来源。
Br J Pharmacol. 1991 Oct;104(2):412-8. doi: 10.1111/j.1476-5381.1991.tb12444.x.
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Different pathways for Ca2+ mobilization by angiotensin II and carbachol in the circular muscle of the guinea-pig ileum.血管紧张素II和卡巴胆碱在豚鼠回肠环形肌中动员钙离子的不同途径。
Eur J Pharmacol. 1999 Feb 12;367(1):59-66. doi: 10.1016/s0014-2999(98)00919-4.
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Distinct functional muscarinic receptors in guinea-pig gallbladder, ileum and atria.豚鼠胆囊、回肠和心房中不同的功能性毒蕈碱受体。
Pharmacol Res. 1999 May;39(5):389-95. doi: 10.1006/phrs.1999.0453.
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Receptor signaling mechanisms underlying muscarinic agonist-evoked contraction in guinea-pig ileal longitudinal smooth muscle.豚鼠回肠纵行平滑肌中,毒蕈碱激动剂诱发收缩的受体信号传导机制。
Br J Pharmacol. 2003 May;139(2):337-50. doi: 10.1038/sj.bjp.0705267.
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Phorbol esters induce oscillatory contractions of intestinal smooth muscles.佛波酯可诱导肠道平滑肌产生振荡性收缩。
Eur J Pharmacol. 1991 Aug 29;201(2-3):215-22. doi: 10.1016/0014-2999(91)90348-t.

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