A new study has revealed how two morphogens, WNT and Sonic Hedgehog, act as molecular "traffic cops," directing early human brain development. Using a custom device and stem cell-derived organoids, researchers showed that exposure to these signals for just five days sets gene programs in motion that shape brain regions.
A new study has revealed how two morphogens, WNT and Sonic Hedgehog, act as molecular "traffic cops," directing early human brain development. Using a custom device and stem cell-derived organoids, researchers showed that exposure to these signals for just five days sets gene programs in motion that shape brain regions.
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