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Association of 18 Confirmed Susceptibility Loci for Type 2 Diabetes With Indices of Insulin Release, Proinsulin Conversion, and Insulin Sensitivity in 5,327 Nondiabetic Finnish Men
Open accessAbstract
OBJECTIVE: We investigated the effects of 18 confirmed type 2 diabetes risk single nucleotide polymorphisms (SNPs) on insulin sensitivity, insulin secretion, and conversion of proinsulin to insulin. RESEARCH DESIGN AND METHODS: A total of 5,327 nondiabetic men (age 58 ± 7 years, BMI 27.0 ± 3.8 kg/m2) from a large population-based cohort were included. Oral glucose tolerance tests and genotyping of SNPs in or near PPARG, KCNJ11, TCF7L2, SLC30A8, HHEX, LOC387761, CDKN2B, IGF2BP2, CDKAL1, HNF1B, WFS1, JAZF1, CDC123, TSPAN8, THADA, ADAMTS9, NOTCH2, KCNQ1, and MTNR1B were performed. HNF1B rs757210 was excluded because of failure to achieve Hardy-Weinberg equilibrium. RESULTS: Six SNPs (TCF7L2, SLC30A8, HHEX, CDKN2B, CDKAL1, and MTNR1B) were significantly (P < 6.9 × 10−4) and two SNPs (KCNJ11 and IGF2BP2) were nominally (P < 0.05) associated with early-phase insulin release (InsAUC0–30/GluAUC0–30), adjusted for age, BMI, and insulin sensitivity (Matsuda ISI). Combined effects of these eight SNPs reached −32% reduction in InsAUC0–30/GluAUC0–30 in carriers of ≥11 vs. ≤3 weighted risk alleles. Four SNPs (SLC30A8, HHEX, CDKAL1, and TCF7L2) were significantly or nominally associated with indexes of proinsulin conversion. Three SNPs (KCNJ11, HHEX, and TSPAN8) were nominally associated with Matsuda ISI (adjusted for age and BMI). The effect of HHEX on Matsuda ISI became significant after additional adjustment for InsAUC0–30/GluAUC0–30. Nine SNPs did not show any associations with examined traits. CONCLUSIONS: Eight type 2 diabetes–related loci were significantly or nominally associated with impaired early-phase insulin release. Effects of SLC30A8, HHEX, CDKAL1, and TCF7L2 on insulin release could be partially explained by impaired proinsulin conversion. HHEX might influence both insulin release and insulin sensitivity.
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A genome-wide association study identifies novel risk loci for type 2 diabetes
Sladek, R., Rocheleau, G., Rung, J., Dina, C., Shen, L., Serre, D., Boutin, P., Vincent, D., Belisle, A., Hadjadj, S., et al. (2007) · Nature · doi:10.1038/nature05616 · Cited by 2,993
Genome-wide association analysis identifies loci for type 2 diabetes and triglyceride levels
Saxena, R., Voight, B. F., Lyssenko, V., Burtt, N. P., de Bakker, P. I. W., Chen, H., Roix, J. J., Kathiresan, S., Hirschhorn, J. N., Daly, M. J., et al. (2007) · Science · doi:10.1126/science.1142358 · Cited by 2,843
A genome-wide association study of type 2 diabetes in Finns detects multiple susceptibility variants
Scott, L. J., Mohlke, K. L., Bonnycastle, L. L., Willer, C. J., Li, Y., Duren, W. L., Erdos, M. R., Stringham, H. M., Chines, P. S., Jackson, A. U., et al. (2007) · Science · doi:10.1126/science.1142382 · Cited by 2,753
Self-citationReplication of Genome-Wide Association Signals in UK Samples Reveals Risk Loci for Type 2 Diabetes
Zeggini, E., Weedon, M. N., Lindgren, C. M., Frayling, T. M., Elliott, K. S., Lango, H., Timpson, N. J., Perry, J. R. B., Rayner, N. W., Freathy, R. M., et al. (2007) · Science · doi:10.1126/science.1142364 · Cited by 2,194
A variant in CDKAL1 influences insulin response and risk of type 2 diabetes
Steinthorsdottir, V., Thorleifsson, G., Reynisdottir, I., Benediktsson, R., Jonsdottir, T., Walters, G. B., Styrkarsdottir, U., Gretarsdottir, S., Emilsson, V., Ghosh, S., et al. (2007) · Nature Genetics · doi:10.1038/ng2043 · Cited by 1,072
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Gudmundsson, J., Sulem, P., Steinthorsdottir, V., Bergthorsson, J. T., Thorleifsson, G., Manolescu, A., Rafnar, T., Gudbjartsson, D., Agnarsson, B. A., Baker, A., et al. (2007) · Nature Genetics · doi:10.1038/ng2062 · Cited by 723
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Cited by
Kambe, T., Tsuji, T., Hashimoto, A., & Itsumura, N. (2015) · Physiological Reviews · doi:10.1152/physrev.00035.2014 · Cited by 1,158
Schugar, R. C., Shih, D. M., Warrier, M., Helsley, R. N., Burrows, A., Ferguson, D., Brown, A. L., Gromovsky, A. D., Heine, M., Chatterjee, A., et al. (2017) · Cell Reports · doi:10.1016/j.celrep.2017.05.077 · Cited by 291
Self-citationMelatonin in type 2 diabetes mellitus and obesity
Karamitri, A., & Jockers, R. (2019) · Nature Reviews Endocrinology · doi:10.1038/s41574-018-0130-1 · Cited by 268
Genetics of Gestational Diabetes Mellitus and Maternal Metabolism
Lowe, W. L., Scholtens, D. M., Sandler, V., & Hayes, M. G. (2016) · Current Diabetes Reports · doi:10.1007/s11892-015-0709-z · Cited by 108
Glucose-Raising Genetic Variants in MADD and ADCY5 Impair Conversion of Proinsulin to Insulin
Wagner, R., Dudziak, K., Herzberg-Schäfer, S. A., Machicao, F., Stefan, N., Staiger, H., Häring, H.-U., & Fritsche, A. (2011) · PLoS ONE · doi:10.1371/journal.pone.0023639 · Cited by 50
Metadata
- Authors
- Stančáková, A., Kuulasmaa, T., Paananen, J., Jackson, A. U., Bonnycastle, L. L., Collins, F. S., Boehnke, M., Kuusisto, J., & Laakso, M.
- Venue
- Diabetes
- Publisher
- American Diabetes Association
- Published
- 2009-06-05
- Volume
- 58
- Issue
- 9
- Pages
- 2129-2136
- ISSN
- 0012-1797 (ISSN-L)
- 1939-327X
- OpenAlex
- W2109679032
- Cited by
- 172
- References
- 9
- FWCI
- 14.08
- Type
- journal article
- Language
- en
- Open access
- hybrid
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- Stančáková, A., Kuulasmaa, T., Paananen, J., Jackson, A. U., Bonnycastle, L. L., Collins, F. S., Boehnke, M., Kuusisto, J., & Laakso, M. (2009). Association of 18 Confirmed Susceptibility Loci for Type 2 Diabetes With Indices of Insulin Release, Proinsulin Conversion, and Insulin Sensitivity in 5,327 Nondiabetic Finnish Men. Diabetes. https://doi.org/10.2337/db09-0117
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