Investigation of a Paternal-Mediated Preeclampsia-Like Pregnancy Phenotype Mouse Model
Keywords:preeclampsia, pregnancy, vascular function
Preeclampsia, a pregnancy specific syndrome characterized by new onset hypertension and proteinuria, is a leading cause of maternal and neonatal morbidity and mortality. While no animal model perfectly mimics the human syndrome, breeding C1q-/- (male) to C57 (female) mice results in a preeclampsia-like pregnancy including pregnancy-specific hypertension, vascular dysfunction and altering placental phenotype. As the placental genotype is primarily paternally driven, lack of paternal C1q is likely driving this preeclampsia-like phenotype. However, more work is needed to investigate whether a lack of maternal C1q also contributes to this preeclampsia-like phenotype. The aim of this study was to investigate the pregnancy phenotype of genetic control (C1q-/- female bred to C57 male) mice. Blood pressure was monitored during pregnancy and vascular function assessed during late pregnancy (gestation day 17.5) in genetic control females. These data were compared to similar data obtained from control (C57 male bred to C57 female) and preeclampsia-like (C1q-/- male bred to C57 female) pregnant mice. Genetic control blood pressure and vascular function data were similar to that of the control pregnancy group, indicating no significant effect of maternal C1q deficiency on the “preeclampsia-like” pregnancy phenotype. As understanding preeclampsia and its effect on women’s health is critical, the work presented is important to confirm the C1q-/- x C57 mouse model as a useful model for studying this syndrome further.
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