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  • Title: [Effect of opioid peptides on the lymphatic drainage of the pancreas in the rat and dog].
    Author: Vinogradov VA, Egamov IuS, Polonskiĭ VM, Dzhumbaev SU.
    Journal: Biull Eksp Biol Med; 1988 Mar; 105(3):259-61. PubMed ID: 3280048.
    Abstract:
    The effect of dalargin and some other ligands of the opioid receptors on drainage function of the pancreatic lymphatic system was studied in rats and dogs. In rats, dalargin (30-1000 micrograms/kg, subcutaneously) accelerated the elimination of Evans blue from beneath the pancreatic capsule in a dose-related manner. The effect of dalargin was attenuated by naloxone. Specific agonists of mu-, delta- and sigma-opioid receptors had no dalargin-like activity. In dogs, dalargin (60-80 micrograms/kg, subcutaneously) after the administration of Evans blue into the pancreas increased its concentration in the truncus lymphaticus and slowed down its penetration into the blood. Thus, dalargin accelerates the elimination of Evans blue from the pancreas due to the intensification of lymphatic drainage. The effect of dalargin was mediated by subpopulation of opioid receptors with which their certain selective ligands have but slight interaction.
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