Study of DAF Gene Variants in Type 1 Diabetes
Author Information
Author(s): Taniguchi Hidenori, Lowe Christopher E, Cooper Jason D, Smyth Deborah J, Bailey Rebecca, Nutland Sarah, Healy Barry C, Lam Alex C, Burren Oliver, Walker Neil M, Smink Luc J, Wicker Linda S, Todd John A
Primary Institution: Juvenile Diabetes Research Foundation/Wellcome Trust Diabetes and Inflammation Laboratory, Cambridge Institute for Medical Research, University of Cambridge
Hypothesis
Is there an association between the DAF gene and type 1 diabetes?
Conclusion
The study found no evidence of association between type 1 diabetes and the DAF region in two independent collections.
Supporting Evidence
- DAF is a candidate for autoimmune disease susceptibility due to its role in complement activation.
- Linkage disequilibrium analysis revealed little evidence of recombination within the DAF region.
- Seven tag SNPs were genotyped in large case-control and family collections.
Takeaway
The researchers looked at a gene called DAF to see if it was linked to type 1 diabetes, but they didn't find any connection.
Methodology
The study used a linkage disequilibrium mapping approach and genotyped seven tag SNPs in case-control and family collections.
Limitations
The study suggests that HapMap II data may not provide sufficient information for comprehensive LD mapping of some genes.
Participant Demographics
Participants were primarily Caucasian and of European descent, with cases mostly under 16 years of age.
Digital Object Identifier (DOI)
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