American journal of obstetrics and gynecology · 1998
Inhibition of amniotic prostaglandin E release by ampicillin.
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Vesce F, Buzzi M, Ferretti M E, Pavan B, Bianciotto A, Jorizzo G, Biondi C
Аннотация
OBJECTIVE: The effect of antibiotics in the prevention of preterm labor needs to be further investigated. The aim of this study was to determine the effect of ampicillin on prostaglandin E release from amnion as a possible explanation for its ability to retard preterm labor.
STUDY DESIGN: The effect of the beta-lactam antibiotic ampicillin on prostaglandin E release from human amnion was tested under basal and stimulated conditions.
RESULTS: Ampicillin dose dependently inhibits basal prostaglandin E release from amnion in both static and dynamic conditions. In our experiments, 10(-7) mol/L ampicillin (a concentration able to significantly inhibit prostaglandin E output) leaves the microbiologic features of the medium substantially unmodified up to 5 hours of incubation. Moreover, the drug reversibly counteracts the prostaglandin E elevation induced by arachidonic acid or oxytocin.
CONCLUSION: This finding (i.e., that ampicillin inhibits prostaglandin E release from amnion) may offer an explanation for a beneficial response to ampicillin therapy in the case of preterm labor even in the absence of bacterial infection.
STUDY DESIGN: The effect of the beta-lactam antibiotic ampicillin on prostaglandin E release from human amnion was tested under basal and stimulated conditions.
RESULTS: Ampicillin dose dependently inhibits basal prostaglandin E release from amnion in both static and dynamic conditions. In our experiments, 10(-7) mol/L ampicillin (a concentration able to significantly inhibit prostaglandin E output) leaves the microbiologic features of the medium substantially unmodified up to 5 hours of incubation. Moreover, the drug reversibly counteracts the prostaglandin E elevation induced by arachidonic acid or oxytocin.
CONCLUSION: This finding (i.e., that ampicillin inhibits prostaglandin E release from amnion) may offer an explanation for a beneficial response to ampicillin therapy in the case of preterm labor even in the absence of bacterial infection.