A comparative genomics approach to identifying the plasticity transcriptome
2007

Identifying Genes Regulated by Neuronal Activity

Sample size: 18071 publication Evidence: high

Author Information

Author(s): Andreas R Pfenning, Russell Schwartz, Alison L Barth

Primary Institution: Carnegie Mellon University

Hypothesis

The study aims to identify the target genes regulated by the transcription factors CREB and zif268 in response to neuronal activity.

Conclusion

The study identifies 516 candidate genes that may be regulated by neural activity, providing a valuable resource for understanding the plasticity transcriptome.

Supporting Evidence

  • CREB and zif268 share a disproportionate number of targets in common.
  • Identification of activity-regulated genes could be improved by genomic screens that are unbiased by cell type.
  • Binding sites for CREB and zif268 were found to be more frequent in the 50 bp closest to the annotated start site.

Takeaway

The researchers found a list of genes that change when neurons are active, which helps us understand how our brains learn and remember things.

Methodology

The study used computational methods to scan gene promoters for binding sites of CREB and zif268 across mouse, rat, and human genomes.

Potential Biases

The computational approach may introduce bias if the training data for binding site predictions is not representative.

Limitations

The study's findings may not capture all activity-regulated genes due to the high stringency of the search and potential differences in gene regulation between species.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2202-8-20

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