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  • Title: [Effect of the opiate antagonist naloxone on the electrical activity of identified neurons in the edible snail].
    Author: Romanenko OK, Pivovarov AS, Bakalkin GIa.
    Journal: Nauchnye Doki Vyss Shkoly Biol Nauki; 1987; (6):50-5. PubMed ID: 3040132.
    Abstract:
    The opiate antagonist naloxone modifies the electric activity of some identified neurons of the Helix lucorum which have not been preliminary exposed to the effect of exogenous opioids. Some neurons are excited while others are inhibited by naloxone, and in both cases the reaction may have both a short and long latent period. The reactions depend on naloxone dose and become less expressed or are blocked when naloxone is administered together with the agonists of opiate receptor (morphine, D-Ala2, D-Leu5-enkephalin, bremazocine and beta-endorphin). Opioids alone do not produce any effect on neurons. The effect of naloxone on neurons is assumed to be a result of the elimination by the opiate antagonist of the tonic effect of endogenous opioids by their replacing on opiate receptors which are constantly stimulated by endogenous ligands.
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