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Published on: February 2, 2016
The genetics of early telencephalon patterning: some assembly required
1Department of Neuroscience, Albert Einstein College of Medicine, 1410 Pelham Parkway South, Bronx, New York 10461, USA. jhebert@aecom.yu.edu
Nature Reviews. Neuroscience
|January 15, 2009
Summary
The development of complex brain networks relies on specific neuronal subtypes. Key genes like FGFs, SHH, and BMPs establish the early brain regions where these neurons originate.
Area of Science:
- Neuroscience
- Developmental Biology
- Genetics
Background:
- Human behaviors stem from complex cerebral neural networks.
- Formation of these networks requires integrating specific neuronal subtypes.
- Neuronal subtypes originate from distinct regions within the telencephalon.
Purpose of the Study:
- To review the establishment of proliferative zones in the telencephalon.
- To discuss the developmental origins of these regions.
- To highlight the role of key genes in early telencephalon patterning.
Main Methods:
- Review of existing literature on telencephalon development in mice.
- Analysis of gene functions in patterning early brain structures.
Main Results:
- Identified key genes including FGFs, SHH, BMPs, FOXG1, PAX6, and LHX2.
- Demonstrated the role of these genes in establishing proliferative zones.
- Traced developmental origins of telencephalic regions to specific gene functions.
Conclusions:
- Specific genes are crucial for establishing distinct proliferative zones in the telencephalon.
- Precise integration of neuronal subtypes, guided by these genes, is essential for neural network formation.
- Understanding these genetic mechanisms provides insight into the basis of complex behaviors.
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