Comprehensive Annotation of Bidirectional Promoters Identifies Co-Regulation among Breast and Ovarian Cancer Genes
2007

Mapping Bidirectional Promoters in Cancer Genes

Sample size: 79 publication Evidence: high

Author Information

Author(s): Yang Mary Q, Koehly Laura M, Elnitski Laura L

Primary Institution: National Human Genome Research Institute, National Institutes of Health

Hypothesis

Are bidirectional promoters associated with genes implicated in breast and ovarian cancers?

Conclusion

The study identifies a significant association between bidirectional promoters and genes involved in breast and ovarian cancers.

Supporting Evidence

  • Bidirectional promoters were found in 45% of genes implicated in somatic cancer.
  • Ten well-recognized genes implicated in breast and ovarian cancers were identified as having bidirectional promoters.
  • Statistical analysis showed a significant enrichment of bidirectional promoters in cancer-related genes.

Takeaway

Scientists found special DNA regions that help control two genes at once, and many of these regions are linked to breast and ovarian cancer genes.

Methodology

The study used spliced expressed sequence tags (ESTs) to identify bidirectional promoters and analyzed their association with cancer-related genes.

Limitations

The study may not account for all potential bidirectional promoters due to the complexity of gene regulation.

Statistical Information

P-Value

≤10e-6

Statistical Significance

p≤10e-6

Digital Object Identifier (DOI)

10.1371/journal.pcbi.0030072

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