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  • Title: Effects of strontium on calcium-dependent hexose transport in muscle.
    Author: Bihler I, Charles P, Sawh PC.
    Journal: Can J Physiol Pharmacol; 1986 Feb; 64(2):176-9. PubMed ID: 3516347.
    Abstract:
    Hexose transport in isolated perifused rat and guinea pig left atria and in isolated intact rat hemidiaphragms was followed by measuring the tissue/medium distribution of the nonmetabolized glucose analog, 3-O-methyl-D-glucose. Stimulation of 3-methylglucose transport by insulin, hyperosmolar medium, K+-free medium, and ouabain was depressed or absent in Ca2+-free medium. Addition of 2 mM Sr2+ to Ca2+-free media restored the response of transport to the stimulatory factors. Sr2+ also increased basal hexose transport. The Ca2+ dependence and the effect of Sr2 was greatest in guinea pig atria and least in rat hemidiaphragms. It is concluded that Sr2+ plays a Ca2+-like role in the regulation of hexose transport.
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