Agilent Technologies Tools Used to Derive New Type of Mouse Embryonic Stem Cell that Shares Key Features of Human Embryonic Stem
The paper, titled "New Cell Lines from Mouse Epiblast Share Defining Features with Human Embryonic Stem Cells," describes how the team, led by Ron McKay, Ph.D., derived a new type of pluripotent ES cell from mouse embryos that have been implanted in the uterus. These epiblast stem cells (EpiSCs) are made from the epiblast, the part of the embryo that gives rise to all adult tissues, according to the researchers. EpiSCs are described as being distinct from classic mouse ES cells and share many key features of human ES cells.
"The EpiSCs provide a powerful model to understand the regulation of the mammalian epiblast, the most proximal precursor to all adult cells including those that are a current focus in the field of regenerative medicine," said Josh Chenoweth, Ph.D., a co-author on the study. "Our characterization of the EpiSCs and human ES cells using global epigenetic characterization and expression analysis tells us that we should think about human ES cells as the developmental equivalent of the epiblast."
The researchers used Agilent microarrays to analyze differences and similarities between mouse ES cells, human ES cells and mouse EpiSCs. The applications included gene expression, comparative genomic hybridization (CGH) and chromatin immunoprecipitation on a chip (ChIP-on-chip). Agilent's online microarray design tool, eArray, and a variety of Agilent informatics software also played roles in the investigation.
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