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Imprinted genes are expressed primarily from one parental allele by virtue of a germ line epigenetic process. Achaete-scute complex homolog 2 (Ascl2 aka Mash2) is a maternally expressed imprinted gene that plays a key role in placental and intestinal development. Loss-of-function of Ascl2 results in an expansion of the parietal trophoblast giant cell (P-TGC) lineage, an almost complete loss of Trophoblast...
Imprinted genes, which are expressed from a single parental allele in response to epigenetic marks first established in the germline, function in a myriad of processes to regulate mammalian development. Recent work suggests that imprinted genes may regulate the signalling function of the placenta by modulating the size of the endocrine compartment. Here we provide in vivo evidence that this hypothesis...
Imprinted genes, which are monoallelically expressed by virtue of an epigenetic process initiated in the germline, are known to play key roles in regulating fetal growth and placental development. Numerous studies are investigating the expression of these imprinted genes in the human placenta in relation to common complications of pregnancy such as fetal growth restriction and preeclampsia. This study...
In utero growth restriction is the failure of a fetus to achieve its genetic growth potential during gestation. Elevated expression of the maternally expressed imprinted gene PHLDA2, has been reported in the human placenta of growth restricted pregnancies. A mouse modelling this alteration has been generated and also displays fetal growth restriction suggesting that increased expression of PHLDA2...
129 and C57BL/6 are two of the most widely used laboratory mouse strains. While it is well known that genetic modifiers between the two strains can directly influence embryonic and adult phenotypes, less is known regarding morphological differences in placental development. Here we identify differences in the junctional zone, glycogen storage and the maternal-fetal interface between these two strains...
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