Abstract
By combining genome-wide association data from 8,130 individuals with type 2 diabetes (T2D) and 38,987 controls of European descent and following up previously unidentified meta-analysis signals in a further 34,412 cases and 59,925 controls, we identified 12 new T2D association signals with combined P 5 × 10 8. These include a second independent signal at the KCNQ1 locus; the first report, to our knowledge, of an X-chromosomal association (near DUSP9); and a further instance of overlap between loci implicated in monogenic and multifactorial forms of diabetes (at HNF1A). The identified loci affect both beta-cell function and insulin action, and, overall, T2D association signals show evidence of enrichment for genes involved in cell cycle regulation. We also show that a high proportion of T2D susceptibility loci harbor independent association signals influencing apparently unrelated complex traits.
Original language | English |
---|---|
Journal | Nature Genetics |
Volume | 42 |
Issue number | 7 |
Pages (from-to) | 579-89 |
Number of pages | 11 |
ISSN | 1061-4036 |
DOIs | |
Publication status | Published - 1 Jul 2010 |
Keywords
- Blood Glucose
- Diabetes Mellitus, Type 2
- Dual-Specificity Phosphatases
- Fasting
- Gene Dosage
- Gene Expression Profiling
- Genetic Heterogeneity
- Genetic Predisposition to Disease
- Genome, Human
- Genome-Wide Association Study
- Hepatocyte Nuclear Factor 1-alpha
- Humans
- KCNQ1 Potassium Channel
- Meta-Analysis as Topic
- Mitogen-Activated Protein Kinase Phosphatases
- Polymorphism, Single Nucleotide