Mapping Complex Traits in Mice
Author Information
Author(s): Liu Pengyuan, Vikis Haris, Lu Yan, Wang Daolong, You Ming
Primary Institution: Washington University School of Medicine
Hypothesis
Can genome-wide association scans in inbred mice identify the genetic basis of complex quantitative traits?
Conclusion
The study identified 937 quantitative trait loci (QTLs) in inbred mice, significantly improving the precision of gene mapping for complex traits.
Supporting Evidence
- Identified 937 QTLs affecting various mouse phenotypes.
- 67% of QTLs were refined into genomic regions less than 0.5 Mb.
- Two QTL genes, Adam12 and Cdh2, were identified as causal variants for obesity.
Takeaway
Scientists looked at many traits in mice to find out which genes are linked to diseases, helping us understand how genetics works.
Methodology
The study used genome-wide association scans to identify QTLs from a survey of mouse phenotypes.
Potential Biases
Potential bias from selection and inbreeding in mouse strains.
Limitations
The study may have spurious associations due to population structure in inbred mice.
Participant Demographics
The study involved 59 inbred strains of mice, with phenotypes measured in both male and female mice.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website