Tissue-Specific Genetic Control of Splicing
Author Information
Author(s): Erin L Heinzen, Ge Dongliang, Kenneth D Cronin, Jessica M Maia, Kevin V Shianna, Willow N Gabriel, Kathleen A Welsh-Bohmer, Christine M Hulette, Thomas N Denny, David B Goldstein
Primary Institution: Duke University
Hypothesis
How do single nucleotide polymorphisms influence gene expression and alternative splicing in human primary cells?
Conclusion
The study found that splicing effects may be more significant for human traits than overall gene expression changes.
Supporting Evidence
- The study identified 23 high confidence associations with total expression and 80 with alternative splicing.
- Fewer than 50% of the implicated SNPs showed effects in both tissue types.
- The data suggest that splicing effects may be responsible for up to 13 out of 84 reported genome-wide significant associations with human traits.
Takeaway
This study looked at how tiny changes in our genes can affect how our body makes proteins in different parts, like the brain and blood.
Methodology
The study used genome-wide screens for SNPs in human primary cells, analyzing both brain tissue and blood samples.
Potential Biases
Potential bias due to the limited diversity of the sample population.
Limitations
The study primarily focused on two tissue types and may not represent all human tissues.
Participant Demographics
Samples were from European ancestry individuals, including 93 brain tissue samples and 80 blood samples.
Statistical Information
P-Value
p<1 × 10−5
Statistical Significance
p<1 × 10−5
Digital Object Identifier (DOI)
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