The Effect of Gamithromycin on Smooth Muscle of Rat Uterus In Vitro: Effect of gamithromycin on rat uterus contractility
2019
Trak, Tolga | Yıldırım, Ebru | Yurdakök Dikmen, Begüm
The purpose of this study was to investigate the effect of gamithromycin on rat uterus smooth muscles and to evaluate the possible mechanism of action. Forty-four uterine tissues isolated from 16 female Wistar rats weighing 200-250 grams were used in the experiments. In the preliminary experiments, gamithromycin was tested at concentrations of 10-7 M, 10-6 M and 10-5 M; where 10-5 M was selected for the experiments. In Group 1, the uterus segments were treated for 10 min with 10-5 M gamithromycin following 10 min control contractions. In Group 2, the effect of 10-5 M gamithromycin over 2.5 mIU / mL oxytocin contraction was evaluated. In Group 3, the effect of 10-5 M gamithromycin was evaluated over 10-8 M atropine incubation. In Group 4, 10-5 M gamithromycin was applied for 10 min followed by 0.0625 μg/ml of cloprostenol application. The same protocols were applied for dimethylsulfoxide (DMSO) as control. Frequency, average amplitude and peak amplitude values of the contractions were assessed. In Group 1, gamithromycin in were shown to increase the contractility at 10-5 M significantly (P≤0.01); while no statistically significant difference was observed in comparison to DMSO (P> 0.05). For the other tested groups, no statistically important difference were observed (P> 0.05). The nonsignificant difference of the results of this study can be attributed to the chemical form of gamithromycin and the concentration used. In order to be able to fully assess the effects and possible mechanism of gamihtromycin on the uterine smooth muscle, higher gamithromycin concentrations should be studied and, if possible, further studies should be performed with different agonist and antagonist agents.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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