Modeling Insertional Mutagenesis Using Gene Length and Expression in Murine Embryonic Stem Cells
2007

Modeling Gene Trapping in Mouse Embryonic Stem Cells

Sample size: 16322 publication Evidence: high

Author Information

Author(s): Nord Alex S., Vranizan Karen, Tingley Whittemore, Zambon Alexander C., Hanspers Kristina, Fong Loren G., Hu Yan, Bacchetti Peter, Ferrin Thomas E., Babbitt Patricia C., Doniger Scott W., Skarnes William C., Young Stephen G., Conklin Bruce R.

Primary Institution: University of California at Los Angeles

Hypothesis

Does gene length and expression influence the likelihood of gene trapping in mouse embryonic stem cells?

Conclusion

The study found that both gene length and expression significantly affect the likelihood of gene trapping.

Supporting Evidence

  • Gene length and expression were found to be significant determinants of gene-trap likelihood.
  • Regression models explained a high proportion of variance in gene trapping.
  • Hotspots of gene-trap activity were identified, indicating factors beyond length and expression.

Takeaway

This study helps us understand how likely it is for certain genes to be affected by gene trapping, which is a way to study gene function.

Methodology

The study used regression models to analyze public gene-trap data, focusing on gene length and expression levels.

Potential Biases

Potential bias due to the reliance on a single cell line for expression data.

Limitations

The study was limited to a single ESC line and may not capture all factors affecting gene trapping.

Statistical Information

P-Value

<0.0001

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1371/journal.pone.0000617

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