XEN cells are derived from the primitive endoderm of mouse blastocysts. In culture and in chimeras they exhibit properties of parietal endoderm. However, BMP signaling promotes XEN cells to form an epithelium and differentiate into visceral endoderm (VE). Of the several different subtypes of VE described, BMP induces a subtype that is most similar to the VE adjacent to the trophoblast-derived extraembryonic ectoderm.
BMP signaling induces visceral endoderm differentiation of XEN cells and parietal endoderm.
Treatment
View SamplesThese studies address temporal changes in gene expression during spontaneous sleep and extended wakefulness in the mouse cerebral cortex, a neuronal target for processes that control sleep; and the hypothalamus, an important site of sleep regulatory processes. We determined these changes by comparing expression in sleeping animals sacrificed at different times during the lights on period, to that in animals sleep deprived and sacrificed at the same diurnal time.
Macromolecule biosynthesis: a key function of sleep.
Sex, Age, Specimen part
View SamplesWe sequenced liver mRNA isolated from biliatresone-treated zebrafish larvae and DMSO-treated controls in order to elucidate the molecular pathways induced by biliatresone, a biliary toxin that is responsible for outbreaks of biliary atresia in Australian liverstock. Overall design: Liver mRNA profiles of biliatresone-treated zebrafish larvae and DMSO-treated controls were generated by deep sequencing, in duplicates.
Glutathione antioxidant pathway activity and reserve determine toxicity and specificity of the biliary toxin biliatresone in zebrafish.
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