Transcriptome-Wide Identification of Novel Imprinted Genes in Neonatal Mouse Brain Solexa Genomic Imprinting Scan
2008

Identifying Imprinted Genes in Neonatal Mouse Brain

Sample size: 2 publication 10 minutes Evidence: moderate

Author Information

Author(s): Wang Xu, Sun Qi, McGrath Sean D., Mardis Elaine R., Soloway Paul D., Clark Andrew G.

Primary Institution: Cornell University

Hypothesis

Can we identify novel imprinted genes in the neonatal mouse brain using transcriptome-wide sequencing?

Conclusion

The study identified 26 genes with parent-of-origin dependent differential allelic expression, including three novel imprinted genes.

Supporting Evidence

  • Identified 26 genes with differential allelic expression.
  • Verified 17 of the candidate genes using Pyrosequencing.
  • Discovered three novel imprinted genes in neonatal brain.

Takeaway

Researchers looked at baby mice's brains to find special genes that only work from one parent. They found some new ones that scientists didn't know about before.

Methodology

Illumina/Solexa sequencing of transcriptomes from reciprocal F1 mouse neonatal brains.

Potential Biases

Potential bias due to reliance on specific mouse strains and the limitations of the sequencing technology.

Limitations

The study only covered a limited number of genes and may not represent all imprinted genes in different tissues or developmental stages.

Participant Demographics

Neonatal mice from reciprocal crosses of AKR/J and PWD/PhJ strains.

Statistical Information

P-Value

0.024

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0003839

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