Abstract：
:Inbred strains of mice are powerful models for understanding human pregnancy complications. For example, the exclusive mating of CBA/J females to DBA/2J males increases fetal resorption to 20-35% with an associated decline in placentation and maintenance of maternal Th1 immunity. More recently other complications of pregnancy, IUGR and preeclampsia, have been reported in this model. The aim of this study was to qualify whether the CBA/CaH substrain female can substitute for CBA/J to evoke a phenotype of embryonic/fetal mortality and IUGR. (CBA/CaH × DBA/2J) F1 had significantly higher embryonic/fetal mortality mortality (p = 0.0063), smaller fetuses (p < 0.0001), and greater prevalence of IUGR (<10th percentile; 47% vs 10%) than (CBA/CaH × Balb/c) F1. Placentae from IUGR fetuses from all mating groups were significantly smaller (p < 0.0001) with evidence of thrombosis and fibrosis when compared to normal-weight fetuses ( > 10th percentile). In addition, placentae of "normal-weight" (CBA/CaH × DBA/2J) F1 were significantly smaller (p < 0.0006) with a greater proportion of labyrinth (p = 0.0128) and an 11-fold increase in F4/80 + macrophage infiltration (p < 0.0001) when compared to placentae of (CBA/CaH × Balb/c) F1. In conclusion, the embryonic/fetal mortality and IUGR phenotype is not exclusive to CBA/J female mouse, and CBA/CaH females can be substituted to provide a model for the assessment of novel therapeutics.
journal_name
Sci Repjournal_title
Scientific reportsauthors
McKelvey KJ,Yenson VM,Ashton AW,Morris JM,McCracken SAdoi
10.1038/srep35138subject
Has Abstractpub_date
2016-10-21 00:00:00pages
35138issn
2045-2322pii
srep35138journal_volume
6pub_type
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