This Week in Science | GenomeWeb

This Week in Science

In Science this week, researchers from Stanford University reported on the discovery that the Wnt family of proteins can affect the division of embryonic stem cells based on their positions outside of the dividing cells, rather than the concentration of their signals as previously thought. The team attached Wnt3a molecules, known to maintain stem cell pluripotency, to beads that were then introduced to dividing stem cells and observed the effects using time-lapse microscopy.

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