Cost-effective Genetic Risk Score from Blood Samples
Author Information
Author(s): Locke Jonathan M., Spurrier Benjamin, Laver Thomas W., Houghton Jayne A.L., Colclough Kevin, Weedon Michael N., Oram Richard A.
Primary Institution: University of Exeter
Hypothesis
Can the TaqMan Sample-to-SNP method accurately determine a genetic risk score using blood lysates without DNA purification?
Conclusion
The study demonstrates that a 10-SNP genetic risk score can be accurately and cost-effectively determined using the TaqMan method with blood lysates.
Supporting Evidence
- The TaqMan Sample-to-SNP method achieved a 98.7% reaction success rate.
- 91.5% of samples had a complete genetic risk score.
- Genotyping accuracy was very high with a correlation of r2=0.99.
- Only 0.08% of genotypes were found to be erroneous.
- Costs for the TaqMan method were significantly lower than traditional DNA purification methods.
Takeaway
Researchers found a way to quickly and cheaply test for genetic risks using blood without needing to purify the DNA first.
Methodology
The study used the TaqMan Sample-to-SNP kit to analyze blood samples for a genetic risk score without DNA purification.
Limitations
The study may not generalize to all genetic risk scores or other SNPs not tested.
Participant Demographics
Individuals referred for monogenic diabetes testing at Exeter Genomics Laboratory.
Statistical Information
P-Value
p<0.0001
Statistical Significance
p<0.0001
Digital Object Identifier (DOI)
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