Association of Wnt Signaling Genes with Diabetic Nephropathy
Author Information
Author(s): Kavanagh David H., Savage David A., Patterson Christopher C., McKnight Amy Jayne, Crean John K., Maxwell Alexander P., McKay Gareth J.
Primary Institution: Queen's University Belfast
Hypothesis
We assessed tag and potentially functional single nucleotide polymorphisms (SNPs) in four key Wnt pathway genes for association with diabetic nephropathy using a case-control design.
Conclusion
The study found no strong association between common variants in the CTNNB1, AXIN2, LRP5, and LRP6 genes and diabetic nephropathy.
Supporting Evidence
- One SNP in LRP6 was significantly associated with diabetic nephropathy but not maintained after correction for multiple testing.
- Three additional SNPs were marginally associated with diabetic nephropathy.
- The study provides 90% power to identify an allele with an odds ratio of 1.69 for common variants.
Takeaway
The researchers looked at genes related to a signaling pathway to see if they were linked to kidney problems in diabetes, but they didn't find a strong connection.
Methodology
SNPs were genotyped in 1351 individuals with type 1 diabetes using case-control design and association analyses were performed using PLINK.
Limitations
The study had limited power to detect variants with small effect size and did not replicate findings in an independent dataset.
Participant Demographics
Participants were white individuals with type 1 diabetes from the UK and Ireland.
Statistical Information
P-Value
0.028
Confidence Interval
0.57–0.97
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website