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Literature DB >> 7263855

Effect of temperature on the mechanical behaviour of single skinned cardiac cells.

N M De Clerck, V A Claes, D L Brutsaert.

Abstract

The effect of changes in temperature (16-35 degrees C) on the contractile behaviour of single, skinned cardiac cells was analysed. Lowering the temperature decreased force development, extent of shortening and velocity of shortening. The effects of altering temperature on the calcium sensitivity of velocity of shortening were more pronounced than the temperature effect upon the calcium dependence of force and extent of shortening. At maximal activation force-velocity curves showed a marked shift in peak velocity, with hardly any effect on peak isometric force.

Entities: Chemical

Mesh：

Substances：
Calcium

Year: 1981 PMID： 7263855 DOI： 10.1007/BF00711868

Source DB: PubMed Journal: J Muscle Res Cell Motil ISSN： 0142-4319 Impact factor: 2.698

15 in total

1. Proceedings: Effect of temperature on the pCa-tension relation of skinned ventricular muscle of the cat.

Authors: P W Brandt; M G Hibberd
Journal: J Physiol Date: 1976-06 Impact factor: 5.182

2. Effects of pH on the myofilaments and the sarcoplasmic reticulum of skinned cells from cardiace and skeletal muscles.

Authors: A Fabiato; F Fabiato
Journal: J Physiol Date: 1978-03 Impact factor: 5.182

3. Effect of changing the composition of the bathing solutions upon the isometric tension-pCa relationship in bundles of crustacean myofibrils.

Authors: C C Ashley; D G Moisescu
Journal: J Physiol Date: 1977-09 Impact factor: 5.182

4. Effects of temperature on tension, tension-dependent heat, and activation heat in twitches of frog skeletal muscle.

Authors: J A Rall
Journal: J Physiol Date: 1979-06 Impact factor: 5.182

5. Excitation-contraction coupling of isolated cardiac fibers with disrupted or closed sarcolemmas. Calcium-dependent cyclic and tonic contractions.

Authors: A Fabiato; F Fabiato
Journal: Circ Res Date: 1972-09 Impact factor: 17.367

6. Effects of temperature on the duration and velocity of myocardial contraction in normal and low calcium media.

Authors: J Sumbera; P Bravený; V Kruta
Journal: Arch Int Physiol Biochim Date: 1967-04

7. Effects of various inotropic interventions on the dynamic properties of the contractile elements in heart muscle of the cat.

Authors: D L Brutsaert; W W Parmley; E H Sonnenblick
Journal: Circ Res Date: 1970-10 Impact factor: 17.367

8. [The significance of the duration of the action potential and Ca ions in the occurrence of the positive inotropic cold action in the warm-blooded myocardium].

Authors: R Kaufmann; A Fleckenstein
Journal: Pflugers Arch Gesamte Physiol Menschen Tiere Date: 1965-07-16