European Journal of Pharmacology 2004-04-26

Excitatory action of prostanoids on the ferret isolated vagus nerve preparation.

Kelvin K W Kan, Robert L Jones, Man-Pui Ngan, John A Rudd

Index: Eur. J. Pharmacol. 491(1) , 37-41, (2004)

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Abstract

We have investigated the actions of various prostanoid receptor agonists on an isolated preparation of the ferret cervical vagus using a grease-gap extracellular recording technique. The potency ranking for depolarization was BW245C (5-(6-carboxyhexyl)-1-(3-cyclohexyl-3-hydroxypropyl) hydantoin; DP-selective, EC50=0.14 microM)>prostaglandin E2 (nonselective EP agonist)>U-46619 (11alpha, 9alpha-epoxymethano-15S-hydroxyprosta-5Z,13E-dienoic acid; TP agonist)>prostaglandin F2alpha (FP receptor agonist). Sulprostone (EP1/EP3-selective), fluprostenol (FP-selective) and cicaprost and iloprost (both IP-selective) had minimal effects. It is likely that DP, EP2/EP4 and TP receptors are present on the vagal fibres of the ferret.

Related Compounds

  • fluprostenol
  • BW 245C

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