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  • Title: Interactions of insulin with bovine endothelium.
    Author: Peacock ML, Bar RS, Goldsmith J.
    Journal: Metabolism; 1982 Jan; 31(1):52-6. PubMed ID: 7043161.
    Abstract:
    Bovine endothelial cells have been isolated from pulmonary and systemic vessels and grown in culture as primary, passaged and passaged cloned-strains. The cultures were shown to be endothelial in nature on the basis of several endothelial-specific and endothelial-associated traits. Endothelial cells from all sources had specific receptors for insulin in primary culture and after serial passage. Endothelial cells derived from pulmonary arteries and aortas bound 2.5 times more insulin than cells derived from the pulmonary vein. Each endothelial cell type maintained a specific complement of receptors through at least 25 passages in vitro. Coupled with previous findings of insulin receptors on endothelial cells from human umbilical vessels, these data suggest that insulin receptors may be an intrinsic component of all vascular endothelium.
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