Cited by 27Genetic Associations and EpidemiologyDiabetes and associated disordersPancreatic function and diabetes

The Influence of Rare Genetic Variation in SLC30A8 on Diabetes Incidence and β-Cell Function

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Billings, Liana K., Jablonski, Kathleen A., Ackerman, Rachel J., Taylor, Andrew, Fanelli, Rebecca R., McAteer, Jarred B., Guiducci, Candace, Delahanty, Linda M. +10 more·2014·The Journal of Clinical Endocrinology & Metabolism

Abstract

CONTEXT/OBJECTIVE: The variant rs13266634 in SLC30A8, encoding a β-cell-specific zinc transporter, is associated with type 2 diabetes. We aimed to identify other variants in SLC30A8 that increase diabetes risk and impair β-cell function, and test whether zinc intake modifies this risk. DESIGN/OUTCOME: We sequenced exons in SLC30A8 in 380 Diabetes Prevention Program (DPP) participants and identified 44 novel variants, which were genotyped in 3445 DPP participants and tested for association with diabetes incidence and measures of insulin secretion and processing. We examined individual common variants and used gene burden tests to test 39 rare variants in aggregate. RESULTS: We detected a near-nominal association between a rare-variant genotype risk score and diabetes risk. Five common variants were associated with the oral disposition index. Various methods aggregating rare variants demonstrated associations with changes in oral disposition index and insulinogenic index during year 1 of follow-up. We did not find a clear interaction of zinc intake with genotype on diabetes incidence. CONCLUSIONS: Individual common and an aggregate of rare genetic variation in SLC30A8 are associated with measures of β-cell function in the DPP. Exploring rare variation may complement ongoing efforts to uncover the genetic influences that underlie complex diseases.

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Authors
Billings, L. K., Jablonski, K. A., Ackerman, R. J., Taylor, A., Fanelli, R. R., McAteer, J. B., Guiducci, C., Delahanty, L. M., Dabelea, D., Kahn, S. E., Franks, P. W., Hanson, R. L., Maruthur, N. M., Shuldiner, A. R., Mayer-Davis, E. J., Knowler, W. C., Florez, J. C., & for the Diabetes Prevention Program Research Group, R.
Affiliations
  • Endeavor Health (US)
  • George Washington University (US)
  • Center for Human Genetic Research (L.K.B., R.J.A., A.T., R.R.F., J.B.M., J.C.F.)
  • Broad Institute (US)
  • Harvard University (US)
  • Colorado School of Public Health (US)
  • University of Washington (US)
  • National Institutes of Health (US)
  • Johns Hopkins University (US)
  • University of Maryland, Baltimore (US)
  • Department of Nutrition (E.J.M.-D.), University of North Carolina, Gillings School of Global Public Health, Chapel Hill, North Carolina 27599
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2014-05-01
Volume
99
Issue
5
Pages
E926-E930
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W2059497041
Cited by
27
References
32
Citations by year
2026: 1 · 2025: 3 · 2024: 3 · 2021: 1 · 2020: 1 · 2019: 3 · 2018: 3 · 2017: 3 · 2016: 4 · 2015: 4 · 2014: 1
FWCI
2.62
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
  • UCL Discovery (University College London) (submittedVersion)
  • Lund University Publications (Lund University) (submittedVersion)
Funders
National Institute of Diabetes and Digestive and Kidney Diseases (R01DK072041, L30 DK089944, 1-L30-DK-089944-01, P30DK079637, U01DK048489, P30DK017047, T32DK007028)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
  • Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
Keywords
SLC30A8, rare variants, type 2 diabetes, beta-cell function, zinc transporters, zinc intake, oral disposition index, insulinogenic index, gene burden, rs13266634, Diabetes Prevention Program, insulin secretion
MeSH terms
Zinc Transporter 8, Insulin Secretion, Adult, Alleles, Diabetes Mellitus, Type 2, Female, Gene Frequency, Humans, Insulin, Male, Middle Aged, Incidence, Genetic Predisposition to Disease, Polymorphism, Single Nucleotide, Cation Transport Proteins, Insulin-Secreting Cells, Genetic Association Studies

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