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The Effect of SC-19220, a Prostaglandin Antagonist, on the Micturition Reflex in Rats

The Effect of SC-19220, a Prostaglandin Antagonist, on the Micturition Reflex in Rats

C A Maggi, S Giuliani, R Patacchini, B Conte, M Furio, P Santicioli, P Meli, L Gragnani, A Meli

Eur J Pharmacol. 1988 Aug 2;152(3):273-9.

PMID: 2906002

Abstract:

SC-19220 (5-20 mg/kg i.v.), a competitive receptor antagonist of PGE, increased the bladder capacity and reduced the voiding efficiency of micturition (elicited by slow transvesical filling) of urethane-anesthetized rats. The effect of SC-19220 was prevented by indomethacin pretreatment, whereas indomethacin per se mimicked the effects of SC-19220. SC-19220 produced a competitive rightward shift of the dose-response curve for the contractile effect induced by PGE2 on strips of rat detrusor muscle in vitro, whereas the amplitude of nerve-mediated twitches was unaffected. These findings support the hypothesis that endogenous PGE2 is physiologically involved in the regulation of vesicourethral motility in this species by facilitating attainment of the micturition threshold during the collection phase of the cystometrogram.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP19395870	SC 19220		19395-87-0	Price

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