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Kathrin Plath stands in a UCLA lab and smiles at the camera.
Colorful staining indicates higher levels of a key sugar metabolism regulator in naïve (bottom row) versus primed (top row) human embryonic stem cells.
Primed human embryonic stem cells (purple) surrounded by a stem cell surface marker (green), which would be missing in naïve embryonic stem cells.
Cell colony with induced pluripotent stem cells stained in red using the TRA method