Why the study?
Does the contractile responsiveness of the rat uterus to endothelin-1 and myometrial ET-1 receptor density increase during labor?
Population
Isolated uterine strips obtained from rats on Day 18 of gestation, during spontaneous labor at term, and on…
Comparison
Endothelin-1 cumulative addition (10-10 M) in… vs Comparison across different time points: Day 18…
Design
Preclinical
Authors
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Rat uterine ET-1 sensitivity rises at delivery; extends rodent mechanistic data but leaves open human translation.
Does the contractile responsiveness of the rat uterus to endothelin-1 and myometrial ET-1 receptor density increase during labor?
The rat uterus becomes more sensitive and responsive to the contractile effects of ET-1 during labor, associated with increased receptor density, suggesting a role in labor initiation or progression.
Yallampalli et al. (1994) studied this question.
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