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  • Title: PC12 cells as a model to study the effects of opioids on normal and tumoral adrenal chromaffin cells.
    Author: Margioris AN, Venihaki M, Stournaras C, Gravanis A.
    Journal: Ann N Y Acad Sci; 1995 Dec 29; 771():166-72. PubMed ID: 8597395.
    Abstract:
    Normal adrenal chromaffin cells produce delta opioid peptides while at the same time they have mainly kappa opioid receptors. This paper describes our date regarding the expression of the prodynorphin gene, the precursor of a family of endogenous kappa opioid ligands, in the PC12 rat pheochromocytoma cell line, and the effects of synthetic kappa opioid agonists and of Naloxone on various aspects of PC12 cell function including their secretion of catecholamines, proliferation and differentiation. This is the first part of a series of projects aimed at studying, (a) the conditions under which the prodynorphin gene is expressed in normal adrenomedullary cells, and (b) the physiological role of the endogenous kappa opioids in the physiology of the adrenal medulla.
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