Literature DB >> 14260375

GLYCERINATED SKELETAL AND SMOOTH MUSCLE: CALCIUM AND MAGNESIUM DEPENDENCE.

R S FILO, D F BOHR, J C RUEGG.   

Abstract

Contractions of glycerinated skeletal (striated) and vascular (smooth) muscles are similar in their calcium dependence but differ in their magnesium dependence. The threshold concentration of free Ca(++) for contraction of either muscle was 1.8 x 10(-7)M; maximum tension developed when the concentration of free Ca(++) was slightly greater than 10(-6)M. The Mg concentration required for contraction of smooth muscle was at least ten times as great as that for skeletal muscle.

Entities:  

Keywords:  BUFFERS; CALCIUM; CHEMISTRY; EXPERIMENTAL LAB STUDY; GLYCERIN; MAGNESIUM; MUSCLE CONTRACTION; MUSCLE, SMOOTH; PHYSIOLOGY

Mesh:

Substances:

Year:  1965        PMID: 14260375     DOI: 10.1126/science.147.3665.1581

Source DB:  PubMed          Journal:  Science        ISSN: 0036-8075            Impact factor:   47.728


  63 in total

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Review 3.  Ca-exchange, Ca-channels and Ca-antagonists.

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4.  Mechanism of barium-induced contraction in the vascular smooth muscle of rabbit aorta.

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5.  Effects of magnesium on contractile activation of skinned cardiac cells.

Authors:  A Fabiato; F Fabiato
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6.  Regulation of the cell magnesium in vascular smooth muscle.

Authors:  V Palatý
Journal:  J Physiol       Date:  1974-10       Impact factor: 5.182

7.  Magnesium dependent contraction of glycerinated smooth muscle.

Authors:  N Nakahata
Journal:  Pflugers Arch       Date:  1979-11       Impact factor: 3.657

8.  Effect of alpha-receptor blocking drugs and disodium cromoglyate on histamine hypersensitivity in bronchial asthma.

Authors:  J W Kerr; M Govindaraj; K R Patel
Journal:  Br Med J       Date:  1970-04-18

9.  Vasoactivity of trimetazidine on guinea-pig isolated ductus arteriosus.

Authors:  D Garnier; M J Roulet
Journal:  Br J Pharmacol       Date:  1985-02       Impact factor: 8.739

10.  Contractions of rat uterine smooth muscle induced by acetylcholine and angiotensin II in Ca2+-free medium.

Authors:  C Lalanne; C Mironneau; J Mironneau; J P Savineau
Journal:  Br J Pharmacol       Date:  1984-02       Impact factor: 8.739

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