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  • Title: Effects of gluconeogenic hormones on insulin binding in intact human red blood cells.
    Author: Mokoena L, Alberts M, Tyobeka E.
    Journal: Biochem Biophys Res Commun; 1987 Aug 31; 147(1):158-67. PubMed ID: 3307773.
    Abstract:
    The effects of gluconeogenic hormones, adrenaline and cortisol, on insulin binding were studied in intact human red blood cells. Insulin binding was significantly decreased when red blood cells were preincubated with 1.0 microgram . ml-1 adrenaline or cortisol respectively. The Scatchard plot suggested that this was due to a decrease in surface receptor concentration. Furthermore, it showed that adrenaline also increased insulin receptor affinity. The negative co-operativity affinity profile demonstrated that adrenaline caused a rise in only the upper limit average affinity, Ki, of the insulin receptor.
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