Genetic Study of Type 1 Diabetes on Chromosome 10
Author Information
Author(s): Sergey Nejentsev, Luc J Smink, Deborah Smyth, Rebecca Bailey, Christopher E Lowe, Felicity Payne, Jennifer Masters, Lisa Godfrey, Alex Lam, Oliver Burren, Helen Stevens, Sarah Nutland, Neil M Walker, Anne Smith, Rebecca Twells, Bryan J Barratt, Charmain Wright, Lisa French, Yuan Chen, Panagiotis Deloukas, Jane Rogers, Ian Dunham, John A Todd
Primary Institution: Juvenile Diabetes Research Foundation/Wellcome Trust Diabetes and Inflammation Laboratory, Cambridge Institute for Medical Research, University of Cambridge
Hypothesis
Can we identify genes associated with type 1 diabetes in the IDDM10 region on chromosome 10?
Conclusion
Polymorphisms in the CREM and SDF1 genes have no major effect on type 1 diabetes, and the weak association near the PAPD1 gene may be spurious or indicate a small genuine effect.
Supporting Evidence
- The study identified 12,058 SNPs in the IDDM10 region.
- 303 SNPs and 25 polymorphic microsatellite markers were genotyped in T1D families.
- Weak associations were found near the PAPD1 gene.
- The study included a large sample of T1D families and controls.
Takeaway
The study looked for genes that might cause type 1 diabetes but found that two specific genes didn't have a big impact, and any link found might just be a coincidence.
Methodology
The study involved resequencing candidate genes and genotyping SNPs in T1D families and controls.
Limitations
The association signals did not reach genome-wide significance levels, indicating potential limitations in detecting small genetic effects.
Participant Demographics
Caucasian ethnic group, including families from the UK, USA, Norway, and Romania.
Statistical Information
P-Value
0.037
Confidence Interval
95% CI = 0.87–1.16
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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