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Follow-Up Analysis of Genome-Wide Association Data Identifies Novel Loci for Type 1 Diabetes

Open access
Grant, Struan F.A., Qu, Hui-Qi, Bradfield, Jonathan P., Marchand, Luc, Kim, Cecilia E., Glessner, Joseph T., Grabs, Rosemarie, Taback, Shayne P., Frackelton, Edward C., Eckert, Andrew W., Annaiah, Kiran, Lawson, Margaret L., Otieno, F. George, Santa, Erin, Shaner, Julie L., Smith, Ryan M., Skraban, Robert, Imielinski, Marcin, Chiavacci, Rosetta M., Grundmeier, Robert W., Stanley, Charles A., Kirsch, Susan E., Waggott, Daryl, Paterson, Andrew D., Monos, Dimitri S., the DCCT/EDIC Research Group, Polychronakos, Constantin, Hakonarson, Hakon·2009·Diabetes

Abstract

OBJECTIVE—Two recent genome-wide association (GWA) studies have revealed novel loci for type 1 diabetes, a common multifactorial disease with a strong genetic component. To fully utilize the GWA data that we had obtained by genotyping 563 type 1 diabetes probands and 1,146 control subjects, as well as 483 case subject–parent trios, using the Illumina HumanHap550 BeadChip, we designed a full stage 2 study to capture other possible association signals. RESEARCH DESIGN AND METHODS—From our existing datasets, we selected 982 markers with P < 0.05 in both GWA cohorts. Genotyping these in an independent set of 636 nuclear families with 974 affected offspring revealed 75 markers that also had P < 0.05 in this third cohort. Among these, six single nucleotide polymorphisms in five novel loci also had P < 0.05 in the Wellcome Trust Case-Control Consortium dataset and were further tested in 1,303 type 1 diabetes probands from the Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications (DCCT/EDIC) plus 1,673 control subjects. RESULTS—Two markers (rs9976767 and rs3757247) remained significant after adjusting for the number of tests in this last cohort; they reside in UBASH3A (OR 1.16; combined P = 2.33 × 10−8) and BACH2 (1.13; combined P = 1.25 × 10−6). CONCLUSIONS—Evaluation of a large number of statistical GWA candidates in several independent cohorts has revealed additional loci that are associated with type 1 diabetes. The two genes at these respective loci, UBASH3A and BACH2, are both biologically relevant to autoimmunity.

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Metadata

Authors
Grant, S. F. A., Qu, H.-Q., Bradfield, J. P., Marchand, L., Kim, C. E., Glessner, J. T., Grabs, R., Taback, S. P., Frackelton, E. C., Eckert, A. W., Annaiah, K., Lawson, M. L., Otieno, F. G., Santa, E., Shaner, J. L., Smith, R. M., Skraban, R., Imielinski, M., Chiavacci, R. M., Grundmeier, R. W., Stanley, C. A., Kirsch, S. E., Waggott, D., Paterson, A. D., Monos, D. S., the DCCT/EDIC Research Group, Polychronakos, C., & Hakonarson, H.
Venue
Diabetes
Published
2009-01-01
Volume
58
Issue
1
Pages
290-295
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2119566098
Cited by
161
References
4
FWCI
7.91
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: Follow-Up Analysis of Genome-Wide Association Data Identifies Novel Loci for Type 1 Diabetes. https://app.cochat.ai/papers/10.2337/db08-1022
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Grant, S. F. A., Qu, H.-Q., Bradfield, J. P., Marchand, L., Kim, C. E., Glessner, J. T., Grabs, R., Taback, S. P., Frackelton, E. C., Eckert, A. W., Annaiah, K., Lawson, M. L., Otieno, F. G., Santa, E., Shaner, J. L., Smith, R. M., Skraban, R., Imielinski, M., Chiavacci, R. M., . . . Hakonarson, H. (2009). Follow-Up Analysis of Genome-Wide Association Data Identifies Novel Loci for Type 1 Diabetes. Diabetes. https://doi.org/10.2337/db08-1022

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

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