Literature DB >> 307184

Calcium transients in aequorin-injected frog cardiac muscle.

D G Allen, J R Blinks.   

Abstract

The Ca2+ -sensitive bioluminescent protein aequorin was microinjected into cells of frog atrial trabeculae to study intracellular calcium transients associated with excitation-contraction coupling. The amplitude of the aequorin signal increased with extracellular Ca2+ concentration and stimulus frequency, but decreased with stretch. Isoprenaline and acetylstrophanthidin both increased the amplitude, but had strikingly different effects on the time course of the signal.

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Year:  1978        PMID： 307184     DOI： 10.1038/273509a0

Source DB:  PubMed          Journal:  Nature        ISSN： 0028-0836            Impact factor:   49.962


  113 in total

1.  Sarcomere-length dependence of lattice volume and radial mass transfer of myosin cross-bridges in rat papillary muscle.

Authors:  Naoto Yagi; Hiroshi Okuyama; Hiroko Toyota; Junichi Araki; Juichiro Shimizu; Gentaro Iribe; Kazufumi Nakamura; Satoshi Mohri; Katsuhiko Tsujioka; Hiroyuki Suga; Fumihiko Kajiya
Journal:  Pflugers Arch       Date:  2004-02-06       Impact factor: 3.657

2.  Intracellular targeting of the photoprotein aequorin: A new approach for measuring, in living cells, Ca(2+) concentrations in defined cellular compartments.

Authors:  R Rizzuto; M Brini; T Pozzan
Journal:  Cytotechnology       Date:  1993-01       Impact factor: 2.058

3.  Force-frequency relationship as a predictor of long-term prognosis in patients with heart diseases.

Authors:  Komei Tanaka; Makoto Kodama; Masahiro Ito; Makoto Hoyano; Wataru Mitsuma; Mahmoud M Ramadan; Takeshi Kashimura; Satoru Hirono; Yuji Okura; Kiminori Kato; Haruo Hanawa; Yoshifusa Aizawa
Journal:  Heart Vessels       Date:  2010-10-27       Impact factor: 2.037

Review 4.  Calcium sensitisers.

Authors:  J A Lee; D G Allen
Journal:  BMJ       Date:  1990-03-03

5.  Calcium sensitivity and the Frank-Starling mechanism of the heart are increased in titin N2B region-deficient mice.

Authors:  Eun-Jeong Lee; Jun Peng; Michael Radke; Michael Gotthardt; Henk L Granzier
Journal:  J Mol Cell Cardiol       Date:  2010-05-23       Impact factor: 5.000

6.  Fluctuations in intracellular calcium concentration and their effect on tonic tension in canine cardiac Purkinje fibres.

Authors:  A A Kort; E G Lakatta; E Marban; M D Stern; W G Wier
Journal:  J Physiol       Date:  1985-10       Impact factor: 5.182

7.  Analysis of left ventricular contractile behaviour during atrial fibrillation.

Authors:  S M Hardman; K P Pfeiffer; T Kenner; M I Noble; W A Seed
Journal:  Basic Res Cardiol       Date:  1994 Sep-Oct       Impact factor: 17.165

8.  Oxidative Signals in Tobacco Increase Cytosolic Calcium.

Authors:  A. H. Price; A. Taylor; S. J. Ripley; A. Griffiths; A. J. Trewavas; M. R. Knight
Journal:  Plant Cell       Date:  1994-09       Impact factor: 11.277

9.  Ca transients in cardiac myocytes measured with a low affinity fluorescent indicator, furaptra.

Authors:  M Konishi; J R Berlin
Journal:  Biophys J       Date:  1993-04       Impact factor: 4.033

10.  Calcium sensitivity, force frequency relationship and cardiac troponin I: critical role of PKA and PKC phosphorylation sites.

Authors:  Genaro A Ramirez-Correa; Sonia Cortassa; Brian Stanley; Wei Dong Gao; Anne M Murphy
Journal:  J Mol Cell Cardiol       Date:  2010-01-18       Impact factor: 5.000
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