Abstract
The aim of the present work was the characterization of the myometrial samples of healthy control and chronic inflammation-exposed rats as a function of gestational stage by means of differential scanning calorimetry (DSC). Non-pregnant, mid-pregnant (day 14) and late-pregnant (day 21) animals were included. The spontaneous, KCl-stimulated as well as maximal motor activity was additionally recorded in vitro. Calorimetric enthalpy (Δ H) normalised on wet mass significantly increased as pregnancy progressed in case of non-inflamed uteri. Inflammation resulted in a significant decrease in Δ H/ m of samples from non-pregnant till pregnant rats. Maximal contractility increased by inflammation in all tested stages of gestation. Our present results indicate that DSC can be considered as a useful tool for the investigation of the uterine function modified by gestation or a pathological condition.
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