Related Experiment Video
Updated: Aug 10, 2026
13:47
Ex utero Electroporation and Whole Hemisphere Explants: A Simple Experimental Method for Studies of Early Cortical Development
Published on: April 3, 2013
Generation of the cortical area map; emx2 strikes back
1Neuroscience Center, Department of Pharmacology, University of North Carolina, 105 Mason Farm Road, NRB 8109C, Chapel Hill, NC 27599, USA.
Neuron
|August 6, 2004
Summary
Fibroblast growth factor 8 (FGF8) and Emx2 are key molecular cues in cortical area map development. Research suggests Emx2 directly controls cortical area size and position, independent of FGF8 signaling.
Area of Science:
- Neuroscience
- Developmental Biology
- Genetics
Background:
- The development of the cerebral cortex involves intricate molecular signaling pathways that establish distinct functional areas.
- Fibroblast growth factor 8 (FGF8) and Emx2 are identified as crucial patterning molecules in this process.
Discussion:
- Hamasaki et al. employed a genetic approach to investigate the interplay between FGF8 and Emx2 in cortical map formation.
- The study examines how these molecular signals regulate the relative size and spatial organization of cortical areas.
Key Insights:
- Emx2 plays a significant, direct role in determining the size and position of cortical areas.
- This Emx2-mediated control appears to be largely independent of FGF8 signaling.
Outlook:
- Further research can elucidate the precise downstream mechanisms by which Emx2 exerts its patterning function.
- Understanding these interactions is vital for comprehending cortical development and potential therapeutic interventions for developmental disorders.
