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  • Title: Sensitivity of cultured fibroblasts to human, bovine and porcine insulins.
    Author: Hernvann A, Cynober L, Aussel C, Agneray J, Ekindjian O.
    Journal: Cell Biol Int Rep; 1987 Aug; 11(8):591-8. PubMed ID: 3304667.
    Abstract:
    We have studied the effects of human, bovine and porcine insulin on sugar transport by cultured chicken embryo fibroblast monolayers. For a 30 min. association time, human and bovine insulin at a concentration of 5.10(-8) M stimulated 2-deoxy-D-glucose uptake. (respectively by an average 58 p.cent and 55 p.cent over basal). Porcine insulin was less potent since a concentration of 5.10(-7) M was necessary to obtain similar stimulation. Moreover, the maximal effect of porcine insulin occur only after 60 min. association time instead of 30 min. for the other peptides. The differences between the effects of insulin from different sources is related to species-dependent differences in their structure.
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