SCIENCE
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VIDEO: Embryonic Stem Cell-Derived Endothelial Cells for Treatment of Hindlimb Ischemia The surgical procedure for delivery of embryonic stem cell-derived endothelial cells to the ischemic hindlimb is demonstrated, with non-invasive tracking by bioluminescence imaging.
Large DNA Stretches, Not Single Genes, Shut Off as Cells Mature Experiments at Johns Hopkins have found that the gradual maturing of embryonic cells into cells as varied as brain, liver and immune system cells is apparently due to the shut off of several genes at once rather than in individual smatterings as previous studies have implied.
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