Da Wei Chen1, Ji Kang Shi2, Yun Li3, Yu Yang4, Shu Ping Ren5. 1. Department of Radiation Protection, School of Public Health, Jilin University, Changchun 130021, Jilin, China. 2. Department of Epidemiology and Statistics, School of Public Health, Jilin University, Changchun 130021, Jilin, China. 3. Department of Ophthalmology, China-Japan Union Hospital, Jilin University, Changchun 130033 Jilin, China. 4. Function Experiment Center of College of Basic Medicine, Jilin University, Changchun 130021, Jilin, China. 5. Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun 130021, Jilin, China.
Abstract
OBJECTIVE: To identify the important risk factors for type 2 Diabetes Mellitus (T2DM) and develop effective strategies to address the problem of T2DM. Our study aimed to evaluate the association between apolipoprotein E (ApoE) genetic polymorphism and type 2 diabetes, and to provide clues for the etiology of T2DM. METHODS: Based on the criteria of inclusion and exclusion, we extracted, pooled, analyzed and assessed the case-control studies of ApoE polymorphism and T2DM published in PubMed, Web of Science, Medline, WanFang, VIP, and CNKI databases by R soft-ware (version 3.4.3). We used Random-effect models when heterogeneity was present in between-study, and fixed-effect models otherwise. RESULTS: We had 59 studies covering 6,872 cases with T2DM and 8,250 controls, and compared the alleles and genotypes of ApoE between cases and controls. When we conducted a comparison between ApoE ε4 and ε3 alleles, we produced a pooled OR of 1.18 (95% CI: 1.09-1.28; P < 0.001). ApoE ε2/ε2 genotype displayed a possible association with T2DM (OR = 1.46; 95% CI: 1.11-1.93; P = 0.007), ε3/ε4 genotype showed a 1.11-fold risk (OR = 1.11; 95% CI: 1.01-1.22; P = 0.039) and ε4/ε4 genotype had a 1.71-fold risk of developing T2DM (OR = 1.71; 95% CI: 1.33-2.19; P < 0.001) when they were compared with ε3/ε3 genotype. CONCLUSION: There is an association between ApoE polymorphism and T2DM: allele ε4 and genotypes (ε2/ε2, ε3/ε4, and ε4/ε4) are associated with the increased risk for the development of T2DM, and they may be risk factors for T2DM.
OBJECTIVE: To identify the important risk factors for type 2 Diabetes Mellitus (T2DM) and develop effective strategies to address the problem of T2DM. Our study aimed to evaluate the association between apolipoprotein E (ApoE) genetic polymorphism and type 2 diabetes, and to provide clues for the etiology of T2DM. METHODS: Based on the criteria of inclusion and exclusion, we extracted, pooled, analyzed and assessed the case-control studies of ApoE polymorphism and T2DM published in PubMed, Web of Science, Medline, WanFang, VIP, and CNKI databases by R soft-ware (version 3.4.3). We used Random-effect models when heterogeneity was present in between-study, and fixed-effect models otherwise. RESULTS: We had 59 studies covering 6,872 cases with T2DM and 8,250 controls, and compared the alleles and genotypes of ApoE between cases and controls. When we conducted a comparison between ApoE ε4 and ε3 alleles, we produced a pooled OR of 1.18 (95% CI: 1.09-1.28; P < 0.001). ApoE ε2/ε2 genotype displayed a possible association with T2DM (OR = 1.46; 95% CI: 1.11-1.93; P = 0.007), ε3/ε4 genotype showed a 1.11-fold risk (OR = 1.11; 95% CI: 1.01-1.22; P = 0.039) and ε4/ε4 genotype had a 1.71-fold risk of developing T2DM (OR = 1.71; 95% CI: 1.33-2.19; P < 0.001) when they were compared with ε3/ε3 genotype. CONCLUSION: There is an association between ApoE polymorphism and T2DM: allele ε4 and genotypes (ε2/ε2, ε3/ε4, and ε4/ε4) are associated with the increased risk for the development of T2DM, and they may be risk factors for T2DM.
Authors: Anitha Pitchika; Marcello Ricardo Paulista Markus; Sabine Schipf; Alexander Teumer; Sandra Van der Auwera; Matthias Nauck; Marcus Dörr; Stephan Felix; Hans-Jörgen Grabe; Henry Völzke; Till Ittermann Journal: Sci Rep Date: 2022-03-24 Impact factor: 4.379