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  • Title: Effect of a reserpine-like agent on the release and metabolism of [3H]NA in cell bodies and terminals.
    Author: Filinger EJ.
    Journal: Gen Pharmacol; 1994 Sep; 25(5):1039-43. PubMed ID: 7835622.
    Abstract:
    1. The reserpine-like agent, Ro4-1284 (2-hydroxy-2ethyl-3-isobutyl-9,10-dimethoxy-1,2,3,4,6,7-hexahydro- 11b-[H] benzo (a)quinolizine) releases [3H]noradrenaline ([3H]NA) from prelabelled superior cervical ganglion (cell bodies) and nictitating membrane (nerve endings) of the cat. 2. The potency of Ro 4-1284 29.0 microM was higher in the cell bodies than in the nerve endings. 3. In both tissues, exposure to the reserpine-like agent Ro 4-1284 induced a selective increase in the spontaneous outflow of [3H]DOPEG, while the [3H]OMDA metabolites to the release induced by Ro 4-1284 was very small. 4. The desamination is the preferential way of the metabolic inactivation of the [3H]NA released by the reserpine-like agent in both parts of the noradrenergic neuron.
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