Abstract
Type 2 diabetes (T2D) is a complicated public health problem in Turkey as well as worldwide. Genome-wide approaches have been guiding in very challenging situations, such as the elucidation of genetic variations underlying complex diseases such as T2D. Despite intensive studies worldwide, few studies have determined the genetic susceptibility to T2D in Turkish populations. In this study, we investigated the effect of genes that are strongly associated with T2D in genome-wide association (GWA) studies, including MTNR1B, CDKAL1, THADA, ADAMTS9 and ENPP1, on T2D and its characteristic traits in a Turkish population. In 824 nonobese individuals (454 T2D patients and 370 healthy individuals), prominent variants of these GWA genes were genotyped by real-time PCR using the LightSNiP Genotyping Assay System. The SNP rs1387153 C/T, which is located 28 kb upstream of the MTNR1B gene, was significantly associated with T2D and fasting blood glucose levels (P < 0.05). The intronic SNP rs10830963 C/G in the MTNR1B gene was not associated with T2D, but it was associated with fasting blood glucose, HbA1C and LDL levels (P < 0.05). The other important GWA loci investigated in our study were not found to be associated with T2D or its traits. Only the SNP rs1044498 (A/C variation) in the ENPP1 gene was determined to be related to fasting blood glucose (P < 0.05). Our study suggests, consistent with the literature, that the MTNR1B locus, which has a prominent role in glucose regulation, is associated with T2D development by affecting blood glucose levels in our population.
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References
Satman I, Yilmaz T, Sengul A, Salman S, Salman F, Uygur S et al (2002) Population-based study of diabetes and risk characteristics in Turkey: results of the Turkish diabetes epidemiology study (TURDEP). Diabetes Care 25(9):1551–1556
Satman I, Omer B, Tutuncu Y, Kalaca S, Gedik S, Dinccag N et al (2013) Twelve-year trends in the prevalence and risk factors of diabetes and prediabetes in Turkish adults. Eur J Epidemiol 28(2):169–180
Gaunt TR, Rodriguez S, Zapata C, Day IN (2006) MIDAS: software for analysis and visualisation of interallelic disequilibrium between multiallelic markers. BMC Bioinform 7(1):227
Sladek R, Rocheleau G, Rung J, Dina C, Shen L, Serre D et al (2007) A genome-wide association study identifies novel risk loci for type 2 diabetes. Nature 445(7130):881–885
Voight BF, Scott LJ, Steinthorsdottir V, Morris AP, Dina C, Welch RP et al (2010) Twelve type 2 diabetes susceptibility loci identified through large-scale association analysis. Nat Genet 42(7):579–589
Zeggini E, Scott LJ, Saxena R, Voight BF, Marchini JL, Hu T et al (2008) Meta-analysis of genome-wide association data and large-scale replication identifies additional susceptibility loci for type 2 diabetes. Nat Genet 40(5):638–645
Scott RA, Scott LJ, Mägi R, Marullo L, Gaulton KJ, Kaakinen M et al (2017) An expanded genome-wide association study of type 2 diabetes in Europeans. Diabetes 66(11):2888–2902
McCarthy MI (2017) Genetics of T2D in 2016: biological and translational insights from T2D genetics. Nat Rev Endocrinol 13(2):71–72
Prasad RB, Groop L (2015) Genetics of type 2 diabetes-pitfalls and possibilities. Genes 6(1):87–123
Unoki H, Takahashi A, Kawaguchi T, Hara K, Horikoshi M, Andersen G et al (2008) SNPs in KCNQ1 are associated with susceptibility to type 2 diabetes in East Asian and European populations. Nat Genet 40(9):1098–1102
Chang YC, Chiu YF, Liu PH, Shih KC, Lin MW, Sheu WH et al (2012) Replication of genome-wide association signals of type 2 diabetes in Han Chinese in a prospective cohort. Clin Endocrinol 76(3):365–372
Imamura M, Maeda S, Yamauchi T, Hara K, Yasuda K, Morizono T et al (2012) A single-nucleotide polymorphism in ANK1 is associated with susceptibility to type 2 diabetes in Japanese populations. Hum Mol Genet 21(13):3042–3049
Hara K, Fujita H, Johnson TA, Yamauchi T, Yasuda K, Horikoshi M et al (2014) Genome-wide association study identifies three novel loci for type 2 diabetes. Hum Mol Genet 23(1):239–246
Gonen MS, Arikoglu H, Erkoc Kaya D, Ozdemir H, Ipekci SH, Arslan A et al (2012) Effects of single nucleotide polymorphisms in K(ATP) channel genes on type 2 diabetes in a Turkish population. Arch Med Res 43(4):317–323
Arikoglu H, Ozdemir H, Erkoc Kaya D, Ipekci SH, Arslan A, Kayis SA et al (2014) The adiponectin variants contribute to the genetic background of type 2 diabetes in Turkish population. Gene 534(1):10–16
Arikoglu H, Aksoy Hepdoğru M, Erkoc Kaya D, Asik A, Ipekci SH, Iscioglu F (2014) IRS1 gene polymorphisms Gly972Arg and Ala513Pro are not associated with insulin resistance and type 2 diabetes risk in non-obese Turkish population. Meta Gene 2:579–585
Erkoc Kaya D, Arikoglu H, Kayis SA, Ozturk O, Gonen MS (2017) Transcription factor 7-like 2 (TCF7L2) gene polymorphisms are strong predictorsof type 2 diabetes among nonobese diabetics in the Turkish population. Turk J Med Sci 47(1):22–28
Karadogan AH, Arikoglu H, Gokturk F, Iscioglu F, Ipekci SH (2018) PIK3R1 gene polymorphisms are associated with type 2 diabetes and related features in the Turkish population. Adv Clin Exp Med 27(7):921–927
Horita N, Kaneko T (2015) Genetic model selection for a case-control study and a meta analysis. Meta Gene 5:1–8
Billings LK, Florez JC (2010) The genetics of type 2 diabetes: what have we learned from GWAS? Ann NY Acad Sci 1212:59–77
Bouatia-Naji N, Bonnefond A, Cavalcanti-Proenca C, Sparso T, Holmkvist J, Marchand M et al (2009) A variant near MTNR1B is associated with increased fasting plasma glucose levels and type 2 diabetes risk. Nat Genet 41(1):89–94
Dashti HS, Follis JL, Smith CE, Tanaka T, Garaulet M, Gottlieb DJ et al (2015) Gene-environment interactions of circadian-related genes for cardiometabolic traits. Diabetes Care 38:1456–1466
Patel R, Rathwa N, Palit SP, Ramachandran AV, Begum R (2018) Association of melatonin & MTNR1B variants with type 2 diabetes in Gujarat population. Biomed Pharmacother 103:429–434
Van Cauter E (1998) Putative roles of melatonin in glucose regulation. Therapie 53(5):467–472
Blodgett DM, Nowosielska A, Afik S, Pechhold S, Cura AJ, Kennedy NJ et al (2015) Novel Observations from next-generation RNA sequencing of highly purified human adult and fetal islet cell subsets. Diabetes 64(9):3172–3181
Prokopenko I, Langenberg C, Florez JC, Saxena R, Soranzo N, Thorleifsson G et al (2009) Variants in MTNR1B influence fasting glucose levels. Nat Genet 41(1):77–81
Bonnefond A, Froguel P (2017) The case for too little melatonin signalling in increased diabetes risk. Diabetologia 60(5):823–825
Lyssenko V, Nagorny CL, Erdos MR, Wierup N, Jonsson A, Spegel P et al (2009) Common variant in MTNR1B associated with increased risk of type 2 diabetes and impaired early insulin secretion. Nat Genet 41(1):82–88
Simonis-Bik AM, Nijpels G, van Haeften TW, Houwing-Duistermaat JJ, Boomsma DI, Reiling E et al (2010) Gene variants in the novel type 2 diabetes loci CDC123/CAMK1D, THADA, ADAMTS9, BCL11A, and MTNR1B affect different aspects of pancreatic beta-cell function. Diabetes 59(1):293–301
Marouli E, Kanoni S, Mamakou V, Hackinger S, Southam L, Prins B et al (2017) Evaluating the glucose raising effect of established loci via a genetic risk score. PLoS ONE 12(11):e0186669
Ronn T, Wen J, Yang Z, Lu B, Du Y, Groop L et al (2009) A common variant in MTNR1B, encoding melatonin receptor 1B, is associated with type 2 diabetes and fasting plasma glucose in Han Chinese individuals. Diabetologia 52(5):830–833
Palmer ND, Goodarzi MO, Langefeld CD, Wang N, Guo X, Taylor KD et al (2015) Genetic variants associated with quantitative glucose homeostasis traits translate to Type 2 Diabetes in Mexican Americans: The GUARDIAN (genetics underlying diabetes in hispanics) consortium. Diabetes 64(5):1853–1866
Oh S-W, Lee J-E, Shin E, Kwon H, Choe EK, Choi S-Y et al (2020) Genome-wide association study of metabolic syndrome in Korean populations. PLoS ONE 15(1):e0227357
Gaulton KJ, Ferreira T, Lee Y, Raimondo A, Magi R, Reschen ME et al (2015) Genetic fine mapping and genomic annotation defines causal mechanisms at type 2 diabetes susceptibility loci. Nat Genet 47(12):1415–1425
Furey TS (2012) ChIP-seq and beyond: new and improved methodologies to detect and characterize protein-DNA interactions. Nat Rev Genet 13(12):840–852
Mathelier A, Shi W, Wasserman WW (2015) Identification of altered cis-regulatory elements in human disease. Trends Genet 31(2):67–76
Tuomi T, Nagorny CLF, Singh P, Bennet H, Yu Q, Alenkvist I et al (2016) Increased melatonin signaling is a risk factor for type 2 diabetes. Cell Metab 23(6):1067–1077
Peschke E, Bach AG, Muhlbauer E (2006) Parallel signaling pathways of melatonin in the pancreatic beta-cell. J Pineal Res 40(2):184–191
Bonnefond A, Froguel P (2017) Disentangling the role of melatonin and its receptor MTNR1B in type 2 diabetes: still a long way to go? Curr Diabetes Rep 17(12):122
Zeggini E, Weedon MN, Lindgren CM, Frayling TM, Elliott KS, Lango H et al (2007) Replication of genome-wide association signals in UK samples reveals risk loci for type 2 diabetes. Science 316(5829):1336–1341
Lee YH, Kang ES, Kim SH, Han SJ, Kim CH, Kim HJ et al (2008) Association between polymorphisms in SLC30A8, HHEX, CDKN2A/B, IGF2BP2, FTO, WFS1, CDKAL1, KCNQ1 and type 2 diabetes in the Korean population. J Hum Genet 53(11–12):991–998
Cauchi S, Meyre D, Durand E, Proenca C, Marre M, Hadjadi S et al (2008) Post genome-wide association studies of novel genes associated with type 2 diabetes show gene-gene interaction and high predictive value. PLoS ONE 3:e2031
Liu X, Liang J, Geng H, Xu W, Teng F, Yang M (2020) Association of the CDKAL1 polymorphism rs10946398 with type 2 diabetes mellitus in adults: a meta-analysis. Medicine 99(30):e21383
Li C, Shen K, Yang M, Yang Y, Tao W, He S et al (2021) Association between single nucleotide polymorphisms in CDKAL1 and HHEX and type 2 diabetes in Chinese population. Diabetes Metab Syndr Obes 5(13):5113–5123
Trombetta M, Bonetti S, Boselli ML, Miccoli R, Trabetti E, Malerba G et al (2013) PPARG2 Pro12Ala and ADAMTS9 rs4607103 as “insulin resistance loci” and “insulin secretion loci” in Italian individuals. The GENFIEV study and the Verona newly diagnosed type 2 diabetes study (VNDS) 4. Acta Diabetol 50:401–408
Gupta V, Vinay DG, Rafiq S, Kranthikumar MV, Janipalli CS, Giambartolomei C et al (2012) Association analysis of 31 common polymorphisms with type 2 diabetes and its related traits in Indian sib pairs. Diabetologia 55:349–357
Pizzuti A, Frittitta L, Argiolas A, Baratta R, Goldfine ID, Bozzali M et al (1999) A polymorphism (K121Q) of the human glycoprotein PC-1 gene coding region is strongly associated with insulin resistance. Diabetes 48(9):1881–1884
Bacci S, Ludovico O, Prudente S, Zhang YY, Di Paola R, Mangiacotti D et al (2005) The K121Q polymorphism of the ENPP1/PC-1 gene is associated with insulin resistance/atherogenic phenotypes, including earlier onset of type 2 diabetes and myocardial infarction. Diabetes 54(10):3021–3025
Stolerman ES, Manning AK, McAteer JB, Dupuis J, Fox CS, Cupples LA et al (2008) Haplotype structure of the ENPP1 Gene and nominal association of the K121Q missense single nucleotide polymorphism with glycemic traits in the Framingham Heart Study. Diabetes 57(7):1971–1977
Bacci S, De Cosmo S, Prudente S, Trischitta V (2007) ENPP1 gene, insulin resistance and related clinical outcomes. Curr Opin Clin Nutr Metab Care 10(4):403–409
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This study was supported by the Scientific and Technological Research Council of Turkey (213S035).
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HA concept, study design, analysis, interpretation, writing manuscript. DE-K literature search, analysis, interpretation, critical review. SHI management of patients and organizing. FI collecting data, statistical analysis design. MKK statistical analysis, interpretation. FG SNP analysis. SB Collecting patient data. MSG management of patients and organizing.
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The study was approved by the Ethical Committee of the Faculty of Medicine of Selcuk University. The ethic approval number:2013/305. The guarantor Hilal Arikoglu.
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Arikoglu, H., Erkoc-Kaya, D., Ipekci, S.H. et al. Type 2 diabetes is associated with the MTNR1B gene, a genetic bridge between circadian rhythm and glucose metabolism, in a Turkish population. Mol Biol Rep 48, 4181–4189 (2021). https://doi.org/10.1007/s11033-021-06431-9
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DOI: https://doi.org/10.1007/s11033-021-06431-9