Cited by 170Genetic Associations and EpidemiologyGenetic Mapping and Diversity in Plants and AnimalsDiabetes and associated disorders

Identification of Novel Candidate Genes for Type 2 Diabetes From a Genome-Wide Association Scan in the Old Order Amish

Rampersaud, Evadnie, Damcott, Coleen M., Fu, Mao, Shen, Haiqing, McArdle, Patrick, Shi, Xiaolian, Shelton, John, Yin, Jing +7 more·2007·Diabetes

Abstract

OBJECTIVE: We sought to identify type 2 diabetes susceptibility genes through a genome-wide association scan (GWAS) in the Amish. RESEARCH DESIGN AND METHODS: DNA from 124 type 2 diabetic case subjects and 295 control subjects with normal glucose tolerance were genotyped on the Affymetrix 100K single nucleotide polymorphism (SNP) array. A total of 82,485 SNPs were tested for association with type 2 diabetes. Type 2 diabetes-associated SNPs were further prioritized by the following: 1) associations with 5 oral glucose tolerance test (OGTT) traits in 427 nondiabetic Amish subjects, and 2) in silico replication from three independent 100L SNP GWASs (Framingham Heart Study Caucasians, Pima Indians, and Mexican Americans) and a 500K GWAS in Scandinavians. RESULTS: The strongest association (P = 1.07 x 10(-5)) was for rs2237457, which is located in growth factor receptor-bound protein 10 (Grb10), an adaptor protein that regulate insulin receptor signaling. rs2237457 was also strongly associated with OGTT glucose area under the curve in nondiabetic subjects (P = 0.001). Of the 1,093 SNPs associated with type 2 diabetes at P < 0.01, 67 SNPs demonstrated associations with at least one OGTT trait in nondiabetic individuals; 80 SNPs were nominally associated with type 2 diabetes in one of the three independent 100K GWASs, 3 SNPs (rs2540317 in MFSD9, rs10515353 on chromosome 5, and rs2242400 in BCAT1 were associated with type 2 diabetes in more than one population), and 11 SNPs were nominally associated with type 2 diabetes in Scandinavians. One type 2 diabetes-associated SNP (rs3845971, located in FHIT) showed replication with OGTT traits and also in another population. CONCLUSIONS: Our GWAS of type 2 diabetes identified several gene variants associated with type 2 diabetes, some of which are worthy of further study.

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Crossref · 10.2337/db07-0457

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  • Polymorphisms at the ERRγ locus were found to be associated with increased glucose area under the curve in a genetic analysis of Old Order Amish subjects.

    “Although the physiological effects of the related gene ERR␥ remain unclear, it interacts with PGC-1 to regulate expression of ERR␣ (278), and polymorphisms at this locus were found to be associated with increased glucose area under the curve in a genetic analysis of Old Order Amish subjects (279).”

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Authors
Rampersaud, E., Damcott, C. M., Fu, M., Shen, H., McArdle, P., Shi, X., Shelton, J., Yin, J., Chang, Y.-P. C., Ott, S. H., Zhang, L., Zhao, Y., Mitchell, B. D., O'Connell, J., & Shuldiner, A. R.
Affiliations
  • University of Maryland, Baltimore (US)
  • Division of Endocrinology, Diabetes and Nutrition, University of Maryland, Baltimore, Maryland
Venue
Diabetes
Published
2007-12-01
Volume
56
Issue
12
Pages
3053-3062
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2130613040
Cited by
170
References
31
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 6 · 2022: 2 · 2021: 7 · 2020: 5 · 2019: 6 · 2018: 4 · 2017: 6 · 2016: 6 · 2015: 11 · 2014: 10 · 2013: 14 · 2012: 15
FWCI
11.47
Type
journal article
Language
en
Open access
closed
Locations
  • Diabetes (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • National Heart, Lung, and Blood Institute (T32HL072751)
  • National Institute of Diabetes and Digestive and Kidney Diseases (R01DK054261, R01-DK54261, P30DK072488)
  • National Center for Research Resources (M01RR002719, M01RR016500, M0-1-RR-02719, M01RR 16500)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Associations and Epidemiology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Genetic Mapping and Diversity in Plants and Animals
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › Diabetes and associated disorders
Keywords
type 2 diabetes, genetic susceptibility, candidate genes, Old Order Amish, single nucleotide polymorphisms, Grb10, oral glucose tolerance test, insulin receptor signaling, BCAT1, FHIT
MeSH terms
Adult, Aged, Chromosome Mapping, Diabetes Mellitus, Type 2, DNA, Ethnicity, Female, Humans, Male, Maryland, Middle Aged, Genome, Human, Body Mass Index, Oligonucleotide Array Sequence Analysis, Polymorphism, Single Nucleotide, Quantitative Trait Loci, Overweight, GRB10 Adaptor Protein

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