Mapping uterine calcium dynamics during the ovulatory cycle in live mice
David J. Combs,
Eric M. Moult,
Sarah K. England
et al.
Abstract:Uterine contraction patterns vary during the ovulatory cycle and during gestation, but prior measurements have produced limited and conflicting information on these patterns. We combined a virally delivered genetically encoded calcium reporter (GCaMP8m) and ultra-widefield imaging in live nonpregnant mice, and characterized uterine calcium dynamics at organ-scale throughout the estrus cycle. At all stages, activity emanated from multiple loci of initiation (LOIs) and had irregular patterns in time. The average… Show more
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