Castor & Pollux

Nicole Slawny, Graduate Student,
Cell & Developmental Biology, University of Michigan

Mouse embryonic stem cells were engineered to overexpress a protein called
geminin. This protein has two important functions during embryonic development:
to control cell division and to promote differentiation of neural cells. The
geminin-producing cells form many immature neural precursors (purple) and
neurons (green). The cell nuclei have been stained blue. Experiments with
embryonic stems cells are important not only to produce specific cell types for
cell replacement therapies, but also as a model system to understand embryonic


Annabel Ebersole

Fireworks in a mouse stem cell! Who could imagine this?
What fun I had in painting and stamping the surface, adding
layers of fuchsia, cobalt and red violet. Next more layers,
hand stitching, machine quilting and the final wispy lime and
fuchsia “zingers!” Now the structures dance!

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