[Effect of leucine-enkephalin on the neuronal activity of the cerebral cortex].
In the experiments on non-anesthetised, flaxedilimmobilized rats it has been shown that the injection of leucin-enkephalin (150 micrograms) into the lateral ventricle of the rat brain induces different changes in the activity of 21 test neurons of the sensomotor zone of the brain cortex. Spike discharges of 5 neurons decreased, while those of 11 neurons increased. Naloxone (2 mg/kg, i. v.) completely prevented both inhibiting and activating effects of leucin-enkephalin after repeated injections of this pentapeptide. Leucin-enkephalin failed to change the activity of 5 neurons.
D000200:Action Potentials / Q000187:drug effects; D000818:Animals; D002540:Cerebral Cortex / Q000187:drug effects*; D004723:Endorphins / Q000494:pharmacology*; D004745:Enkephalins / Q000494:pharmacology*; D007930:Leucine / Q000494:pharmacology*; D009433:Neural Inhibition / Q000187:drug effects; D009474:Neurons / Q000187:drug effects*; D051381:Rats; D013003:Somatosensory Cortex / Q000187:drug effects; D013997:Time Factors
D004723:Endorphins; D004745:Enkephalins; D007930:Leucine
Vliianie leĭtsin-énkefalina na neĭronal'nuiu aktivnost' kory golovnogo mozga.