Abstract
According to recent genome-wide association studies, a number of single nucleotide polymorphisms (SNPs) are reported to be associated with type 2 diabetes mellitus (T2DM). The aim of the present study was to investigate the association among the polymorphisms of SLC30A8, HHEX, CDKN2A/B, IGF2BP2, FTO, WFS1, CDKAL1 and KCNQ1 and the risk of T2DM in the Korean population. This study was based on a multicenter case-control study, including 908 patients with T2DM and 502 non-diabetic controls. We genotyped rs13266634, rs1111875, rs10811661, rs4402960, rs8050136, rs734312, rs7754840 and rs2237892 and measured the body weight, body mass index and fasting plasma glucose in all patients and controls. The strongest association was found in a variant of CDKAL1 [rs7754840, odds ratio (OR) = 1.77, 95% CI = 1.50-2.10, p = 5.0 x 10(-11)]. The G allele of rs1111875 (OR = 1.43, 95% CI = 1.18-1.72, p = 1.8 x 10(-4)) in HHEX), the T allele of rs10811661 (OR = 1.47, 95% CI = 1.23-1.75, p = 2.1 x 10(-5)) in CDKN2A/B) and the C allele of rs2237892 (OR = 1.31, 95% CI = 1.10-1.56, p = 0.003) in KCNQ1 showed significant associations with T2DM. Rs13266634 (OR = 1.19, 95% CI = 1.00-1.42, p = 0.045) in SLC30A8 showed a nominal association with the risk of T2DM, whereas SNPs in IGF2BP2, FTO and WFS1 were not associated. In conclusion, we have shown that SNPs in HHEX, CDKN2A/B, CDKAL1, KCNQ1 and SLC30A8 confer a risk of T2DM in the Korean population.
MeSH Terms
Alpha-Ketoglutarate-Dependent Dioxygenase FTO
Blood Glucose/metabolism
Body Mass Index
Case-Control Studies
Cation Transport Proteins/genetics
Cyclin-Dependent Kinase 5/genetics
Cyclin-Dependent Kinase Inhibitor p15/genetics
Cyclin-Dependent Kinase Inhibitor p16/genetics
Diabetes Mellitus, Type 2/epidemiology,genetics
Female
Genetic Markers/genetics
Genetic Predisposition to Disease
Genome, Human
Genome-Wide Association Study
Genotype
Homeodomain Proteins/genetics
Humans
KCNQ1 Potassium Channel/genetics
Korea/epidemiology
Male
Membrane Proteins/genetics
Middle Aged
Polymorphism, Single Nucleotide/genetics
Proteins/genetics
RNA-Binding Proteins/genetics
Transcription Factors/genetics
Zinc Transporter 8
tRNA Methyltransferases
Chemicals
Blood Glucose
CDKN2B protein, human
Cation Transport Proteins
Cyclin-Dependent Kinase Inhibitor p15
Cyclin-Dependent Kinase Inhibitor p16
Genetic Markers
HHEX protein, human
Homeodomain Proteins
IGF2BP2 protein, human
KCNQ1 Potassium Channel
KCNQ1 protein, human
Membrane Proteins
Proteins
RNA-Binding Proteins
SLC30A8 protein, human
Transcription Factors
Zinc Transporter 8
wolframin protein
Alpha-Ketoglutarate-Dependent Dioxygenase FTO
FTO protein, human
tRNA Methyltransferases
Cyclin-Dependent Kinase 5
CDKAL1 protein, human
Authors & Affiliations
11 authors, click to expand affiliations / ORCID
Lee Yong-Ho
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea.
Kang Eun Seok
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea. | Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea. | Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, South Korea.
Kim So Hun
Department of Internal Medicine, Inha University College of Medicine, Inchon, South Korea.
Han Seung Jin
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea.
Kim Chul Hoon
Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea. | Department of Pharmacology, Yonsei University College of Medicine, Seoul, South Korea.
Kim Hyeong Jin
Department of Internal Medicine, Kwandong University College of Medicine, Gangneung, South Korea.
Ahn Chul Woo
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea. | Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea. | Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, South Korea.
Cha Bong Soo
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea. | Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea. | Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, South Korea.
Nam Moonsuk
Department of Internal Medicine, Inha University College of Medicine, Inchon, South Korea.
Nam Chung Mo
Department of Preventive Medicine and Public Health, Yonsei University College of Medicine, Seoul, South Korea.
Lee Hyun Chul
Department of Internal Medicine, Yonsei University College of Medicine, 134 Shinchon-Dong Seodaemun-Gu, Seoul, 120-752, South Korea.
[email protected]. | Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, South Korea.
[email protected]. | Institute of Endocrine Research, Yonsei University College of Medicine, Seoul, South Korea.
[email protected].
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