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大鼠心肌化学去表皮纤维在力产生过程中的钙结合

Calcium binding in chemically skinned fibers of rat myocardium during force development.

作者信息

Veksler V I

出版信息

Experientia. 1987 Apr 15;43(4):389-91. doi: 10.1007/BF01940421.

DOI:10.1007/BF01940421
PMID:3569486
Abstract

The amount of bound calcium and force were measured in chemically skinned rat myocardial fibers during isometric contraction at different concentrations of free Ca2+. The data obtained suggest that calcium binding by cardiac myofibrils is cooperative and probably depends on mechanical tension.

摘要

在不同游离钙离子浓度下的等长收缩过程中，对化学去膜大鼠心肌纤维中的结合钙量和张力进行了测量。所获得的数据表明，心肌肌原纤维对钙的结合具有协同性，并且可能取决于机械张力。

相似文献

1
Calcium binding in chemically skinned fibers of rat myocardium during force development.大鼠心肌化学去表皮纤维在力产生过程中的钙结合
Experientia. 1987 Apr 15;43(4):389-91. doi: 10.1007/BF01940421.
2
[Calcium binding by chemically stripped fibers of the rat myocardium during force development].[大鼠心肌化学剥脱纤维在力产生过程中的钙结合]
Biull Vsesoiuznogo Kardiol Nauchn Tsentra AMN SSSR. 1987;10(1):72-5.
3
Rigor tension in single skinned rat cardiac cell: role of myofibrillar creatine kinase.单膜片钳大鼠心肌细胞中的强直张力：肌原纤维肌酸激酶的作用
Cardiovasc Res. 1997 Dec;36(3):354-62. doi: 10.1016/s0008-6363(97)00178-8.
4
Dependence of calcium release, tension generation and restoring forces on sarcomere length in skinned cardiac cells.去垢剂处理的心肌细胞中钙释放、张力产生及恢复力对肌节长度的依赖性
Eur J Cardiol. 1976 May;4 Suppl:13-27.
5
Relation between steady-state force and intracellular [Ca2+] in intact human myocardium. Index of myofibrillar responsiveness to Ca2+.完整人类心肌中稳态力与细胞内[Ca2+]的关系。肌原纤维对Ca2+反应性的指标。
Circulation. 1990 Oct;82(4):1266-78. doi: 10.1161/01.cir.82.4.1266.
6
Reversible MM-creatine kinase binding to cardiac myofibrils.
Am J Physiol. 1987 Sep;253(3 Pt 1):C444-55. doi: 10.1152/ajpcell.1987.253.3.C444.
7
Cross-bridge movement in rat cardiac muscle as a function of calcium concentration.大鼠心肌中横桥运动与钙浓度的关系。
J Physiol. 1989 Oct;417:555-65. doi: 10.1113/jphysiol.1989.sp017818.
8
Myoplasmic free calcium concentration reached during the twitch of an intact isolated cardiac cell and during calcium-induced release of calcium from the sarcoplasmic reticulum of a skinned cardiac cell from the adult rat or rabbit ventricle.成年大鼠或兔心室完整分离心肌细胞收缩时以及钙诱导成年大鼠或兔心室去垢剂处理心肌细胞肌浆网释放钙时所达到的肌浆游离钙浓度。
J Gen Physiol. 1981 Nov;78(5):457-97. doi: 10.1085/jgp.78.5.457.
9
Ca-dependence of isometric force kinetics in single skinned ventricular cardiomyocytes from rats.大鼠单个去表皮心室肌细胞等长力动力学的钙依赖性
Cardiovasc Res. 1996 Sep;32(3):580-6.
10
Molecule specific effects of PKA-mediated phosphorylation on rat isolated heart and cardiac myofibrillar function.蛋白激酶A介导的磷酸化对大鼠离体心脏和心肌肌原纤维功能的分子特异性影响。
Arch Biochem Biophys. 2016 Jul 1;601:22-31. doi: 10.1016/j.abb.2016.01.019. Epub 2016 Feb 15.

本文引用的文献

1
Protein measurement with the Folin phenol reagent.使用福林酚试剂进行蛋白质测定。
J Biol Chem. 1951 Nov;193(1):265-75.
2
The effect of magnesium ions on the binding of calcium ions to glycerinated rabbit psoas muscle fibers.镁离子对钙离子与甘油处理的兔腰大肌纤维结合的影响。
Biochim Biophys Acta. 1980 Mar 26;622(1):52-62. doi: 10.1016/0005-2795(80)90157-9.
3
Parallel measurements of bound calcium and force in glycerinated rabbit psoas muscle fibers.甘油处理的兔腰大肌纤维中结合钙与力的平行测量。
Biochim Biophys Acta. 1982 Jan 20;679(1):110-5. doi: 10.1016/0005-2728(82)90261-4.
4
Effect of cross-bridge kinetics on apparent Ca2+ sensitivity.横桥动力学对表观Ca2+敏感性的影响。
J Gen Physiol. 1982 Jun;79(6):997-1016. doi: 10.1085/jgp.79.6.997.
5
Can the binding of Ca2+ to two regulatory sites on troponin C determine the steep pCa/tension relationship of skeletal muscle?钙离子与肌钙蛋白C上两个调节位点的结合能否决定骨骼肌的陡峭的pCa/张力关系？
Proc Natl Acad Sci U S A. 1980 Aug;77(8):4717-20. doi: 10.1073/pnas.77.8.4717.
6
Myoplasmic free calcium concentration reached during the twitch of an intact isolated cardiac cell and during calcium-induced release of calcium from the sarcoplasmic reticulum of a skinned cardiac cell from the adult rat or rabbit ventricle.成年大鼠或兔心室完整分离心肌细胞收缩时以及钙诱导成年大鼠或兔心室去垢剂处理心肌细胞肌浆网释放钙时所达到的肌浆游离钙浓度。
J Gen Physiol. 1981 Nov;78(5):457-97. doi: 10.1085/jgp.78.5.457.
7
Muscle calcium transient. Effect of post-stimulus length changes in single fibers.肌肉钙瞬变。单根肌纤维刺激后长度变化的影响。
J Gen Physiol. 1984 Jan;83(1):75-103. doi: 10.1085/jgp.83.1.75.
8
Inhibition of the activation and troponin calcium binding of dog cardiac myofibrils by acidic pH.酸性pH对犬心肌肌原纤维激活及肌钙蛋白与钙结合的抑制作用
Circ Res. 1984 Sep;55(3):382-91. doi: 10.1161/01.res.55.3.382.
9
Stimulation of Ca++ binding and ATPase activity of dog cardiac myofibrils by AR-L 115BS, a novel cardiotonic agent.新型强心剂AR-L 115BS对犬心肌肌原纤维钙结合及ATP酶活性的刺激作用
Circ Res. 1982 Sep;51(3):290-4. doi: 10.1161/01.res.51.3.290.
10
The effect of acidic pH on the ATPase activity and troponin Ca2+ binding of rabbit skeletal myofilaments.酸性pH对兔骨骼肌肌丝ATP酶活性及肌钙蛋白与钙离子结合的影响。
J Biol Chem. 1984 Mar 10;259(5):3181-6.