Sp8 exhibits reciprocal induction with Fgf8 but has an opposing effect on anterior-posterior cortical area patterning
2007

Sp8 and Fgf8 Interactions in Brain Development

Sample size: 9 publication 10 minutes Evidence: moderate

Author Information

Author(s): Sahara Setsuko, Kawakami Yasuhiko, Izpisua Belmonte Juan Carlos, O'Leary Dennis DM

Primary Institution: The Salk Institute

Hypothesis

How do Sp8 and Fgf8 interact to influence cortical area patterning during embryonic development?

Conclusion

Sp8 and Fgf8 exhibit reciprocal induction and play opposing roles in cortical area patterning.

Supporting Evidence

  • Sp8 and Fgf8 induce each other in the embryonic telencephalon.
  • Ectopic expression of Sp8 leads to anterior shifts in cortical area patterning.
  • Sp8 is a transcriptional activator of Fgf8.

Takeaway

Sp8 and Fgf8 help shape the brain during development, but they work against each other in deciding where different brain areas go.

Methodology

In utero electroporation was used to manipulate gene expression in the developing mouse forebrain.

Potential Biases

Potential bias in interpreting results from electroporation techniques.

Limitations

The study relies on in utero electroporation, which may not fully replicate natural gene expression patterns.

Participant Demographics

Mouse embryos were used in the study.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1749-8104-2-10

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