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Migration of TCA cycle protein from the mitochondria (left, green) to the nuclei (right, red) in the two-cell stage mouse embryo.
Left: Primed human embryonic stem cells have one active X chromosome (one red dot in each blue nucleus). Right: Naive human embryonic stem cells have two active X chromosomes (two red dots in each blue nucleus).
Andrew Goldstein photographed in a UCLA lab.
After radiation, blood cells (purple) regenerated in the bone marrow of mice that were given DKK1 intravenously (left), but not in those that received saline solution (right).
Microscope image of cardiac calcification in a mouse showing cardiac fibroblasts (red) expressing the ENPP1 protein (green and yellow)
3-D bioengineered lung-like tissue (left) resembles adult human lung (right).
Colorful staining indicates higher levels of a key sugar metabolism regulator in naïve (bottom row) versus primed (top row) human embryonic stem cells.
Patrick Allard stands smiling before deep green trees.