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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 

The Ala45Thr polymorphism of NEUROD1 is associated with type 1 diabetes in Brazilian women.

BACKGROUND: NEUROD1 encodes a transcription factor expressed in the endocrine pancreas, and involved in beta-cell development, function and mechanisms of apoptosis. In this study, we investigated the association of a frequent polymorphism in exon 2 of NEUROD1 (G > A; Ala45Thr) with Type 1 diabetes in Brazilian subjects. METHODS: A population/association study comprising 246 unrelated Type 1 diabetic and 275 nondiabetic white Brazilian subjects. The Ala45Thr variant was genotyped by a PCR-RFLP method. RESULTS: The frequency of the Thr allele was significantly higher in patients with Type 1 diabetes than in controls (42.3% vs 35.3%, P=0.02). Stratification by gender showed that homozygosity for the Thr allele was associated with Type 1 diabetes in women with odds ratio of 3.66 (95% C.I. 1.43-10.11, P=0.009) as compared to homozygosity for the Ala allele. This effect was not observed in men. CONCLUSIONS: We found a gender-specific association of the Ala45Thr variant of NEUROD1 with Type 1 diabetes in Brazilian women. Our results suggest that gender as well as ethnicity might modulate the association of NEUROD1 with Type 1 diabetes.[1]

References

  1. The Ala45Thr polymorphism of NEUROD1 is associated with type 1 diabetes in Brazilian women. Oliveira, C.S., Hauache, O.M., Vieira, J.G., Maciel, R.M., Sjöroos, M., Canani, L.H., Velho, G., Gross, J.L., Reis, A.F. Diabetes Metab. (2005) [Pubmed]
 
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