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  • Title: An opiate receptor on frog sciatic nerve axons.
    Author: Hunter EG, Frank GB.
    Journal: Can J Physiol Pharmacol; 1979 Oct; 57(10):1171-4. PubMed ID: 228829.
    Abstract:
    The effect of meperidine (3 X 10(4) M) on the action potential of frog sciatic nerve was examined by means of the double sucrose gap technique. Meperidine decreased the amplitude, maximum rate of depolarization, and maximum rate of repolarization of the action potential but had no effect on the resting potential. This depression in amplitude and maximum rate of rise was partially blocked by naloxone (1 X 10(-8) M) while the maximum rate of depolarization was further depressed. The data suggest that the effect of meperidine is due to two mechanisms, a nonspecific local anaesthetic like effect and an opiate receptor mediated effect.
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