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In vitro myometrial inhibition by the partitioned aqueous fraction ofAnthocleista djalonensisleaves
Lab study of how a water-based extract from Anthocleista djalonensis leaves reduces uterine muscle contractions
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Abstract
The aqueous fraction of the leaves of Anthocleista djalonensis significantly reduced the EC50 of uterine contractions in vitro.
- AD inhibited the uterine contractions induced by oxytocin and calcium chloride in a concentration-dependent manner.
- Similar inhibitory effects were observed with salbutamol and verapamil on uterine contractions.
- The presence of propranolol did not affect the inhibitory action of AD.
- AD and salbutamol produced relaxation of sustained uterine contractions induced by potassium.
- In a calcium-free environment, AD and salbutamol both inhibited oxytocin-induced contractions, whereas verapamil did not.
- AD likely exerts its effects through multiple mechanisms that do not involve beta-adrenergic receptors or solely depend on calcium influx.
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