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Trophoblast cell invasion into the uterine wall is characteristic of hemochorial placentation. In this report, we examine trophoblast cell invasion in the rat and mouse, the endocrine phenotype of invasive trophoblast cells, and aspects of the regulation of trophoblast cell invasion. In the rat, trophoblast cells exhibit extensive interstitial and(More)
In the mouse, there is a large family of paralogous genes closely related to PRL. The objective of this report was to investigate the organization of the mouse PRL gene family locus. PRL family genes reside on chromosome 13 of the mouse genome. The PRL gene family members were localized to a series of overlapping bacterial artificial chromosome clones and(More)
Natural killer (NK) cells are the predominant lymphocytes present in healthy rodent and human implantation sites. In the rat, the expansion, differentiation and subsequent migration of NK cells away from the developing chorioallantoic placenta coincide with the expression of a novel pregnancy- and trophoblast cell-specific cytokine, prolactin (PRL)-like(More)
Intrauterine growth restriction (IUGR) is a major cause of perinatal death and neonatal morbidity and mortality. There are numerous causes of IUGR. Glucocorticoid-induced IUGR is highly relevant because administration of synthetic glucocorticoids, principally dexamethasone, to women threatened by premature labor is widely used in clinical practice. Fetal(More)
Insulin-like growth factor 2 (IGF2) plays a vital role in fetal and placental development throughout gestation. Placental expression of IGF2 decreases substantially in intra-uterine growth restriction (IUGR) and Igf2 null mice develop small placentas. In this report, we examined the role of microRNAs in regulating Igf2 gene expression during mouse placental(More)
Rodents possess an expanded prolactin (PRL) family of genes. These genes encode for a family of structurally related hormones/cytokines that are expressed most prominently in the anterior pituitary, uterus and placenta. In this study, we have identified a new member of the rat PRL family through a search of the National Center for Biotechnology Information(More)
Antipsychotic drugs are the mainstay in the treatment of schizophrenia and bipolar disorder. However, antipsychotics often exhibit sedation or activity suppression among many other side effects, and the factors that influence them remain poorly understood. We now show, using a 5-HT2A knockout (Htr2a-/-) mouse, that environmental circumstances can affect(More)
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