Interactions Between Regulatory and Protein-Coding Variants
Author Information
Author(s): Dimas Antigone S. Stranger, Barbara E. Beazley, Claude Finn, Robert D. Ingle, Catherine E. Forrest, Matthew S. Ritchie, Panos Deloukas, Simon Tavaré, Emmanouil T. Dermitzakis
Primary Institution: Wellcome Trust Sanger Institute
Hypothesis
Can regulatory variants modify the functional effects of protein-coding variants in humans?
Conclusion
The study shows that regulatory variants can significantly influence the expression of protein-coding variants, suggesting that considering both types of variants together may reveal additional genetic effects related to complex traits and diseases.
Supporting Evidence
- About 18% of protein-coding variants are differentially expressed among individuals.
- Regulatory variants can modify the functional effect of coding variants in cis.
- Such interactions can affect the expression of downstream targets of the gene containing the protein-coding SNP.
Takeaway
This study found that some genes can be affected by two types of genetic changes at the same time, which can change how much of a protein is made, helping us understand why some people get sick and others don't.
Methodology
The study analyzed genotype and gene expression data from 210 individuals across four HapMap populations to explore the interactions between regulatory and protein-coding variants.
Potential Biases
Potential biases may arise from the population-specific nature of the study and the methods used for detecting associations.
Limitations
The study primarily focuses on specific populations, which may limit the generalizability of the findings to other groups.
Participant Demographics
The participants included 210 unrelated individuals from four HapMap populations: CEU, CHB, JPT, and YRI.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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