the effects of selective agonists for delta opioid receptors : [ d-thr2 , leu5 ] -enkephalyl-thr6 ( dtlet ) and mu receptors : [ d-ala2 , mephe4 , gly-ol5 ] -enkephalin ( dago ) and of ( r ) -3- ( n-hydroxyl-carboxamido-2-benzylpropanoyl ) -l-alanine ( kelatorphan ) , a complete inhibitor of enkephalin degrading enzymes , on the motor activity of rats was examined after their local administration into the nucleus accumbens ( na ) or nucleus caudatus ( nc ) .
C0014298
enkephalin
C0525773
dago