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  • Title: Dopamine depresses non-adrenergic, non-cholinergic neurotransmission in the rat bladder.
    Author: Lot TY.
    Journal: J Pharm Pharmacol; 1993 Jun; 45(6):570-2. PubMed ID: 8103108.
    Abstract:
    The effects of dopamine on non-adrenergic, non-cholinergic (NANC) neurotransmission have been investigated using rat bladder strips in-vitro. Dopamine administered alone did not produce any effect on the bladder but it depressed responses to NANC nerve stimulation in a dose-related fashion. All doses of dopamine employed depressed KCl-evoked contractions of the bladder to similar extents. The depressant action of dopamine on NANC transmission was not mediated by blockade of purinergic receptors, but was partially reversed by haloperidol. It is suggested that depression of NANC neurotransmission induced by dopamine in the rat bladder is partly mediated by dopaminergic receptors.
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