PMID- 33088293 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20220417 IS - 1735-1995 (Print) IS - 1735-7136 (Electronic) IS - 1735-1995 (Linking) VI - 25 DP - 2020 TI - Association of microRNA gene polymorphisms with Type 2 diabetes mellitus: A systematic review and meta-analysis. PG - 56 LID - 10.4103/jrms.JRMS_751_19 [doi] LID - 56 AB - BACKGROUND: Type 2 diabetes mellitus (T2DM) is a metabolic disorder with growing prevalence and increasing economic burden. Based on the role of genetics and epigenetic factors on T2DM, we aimed to carry a systematic review and meta-analysis for all miRNA gene polymorphisms and risk of T2DM. MATERIALS AND METHODS: A computerized literature search was carried out on PubMed, Web of Science, Scopus, Embase, as well as references of relevant review/meta-analysis. Key search terms were "Diabetes Mellitus, Type 2," "MicroRNAs," and "Polymorphism, Single Nucleotide." All types of observational studies from January 1, 1992, to November 30, 2019, were included, without language restriction. Data analysis was performed using R programming language (3.5.2). Level of heterogeneity was obtained by Cochran's Q test (P < 0.05), and subgroup analysis was performed based on ethnicity. RESULTS: Thirty-two polymorphisms from fifteen articles were included. Meta-analysis was carried out based on minor allele frequencies. Seven studies with 2193 cases and 3963 controls were included for rs2910164 polymorphism. In subgroup analysis, there were significant results in Caucasian population in dominant model (odds ratio [OR] =1.12; 95% confidence interval [CI]: 0.83-1.51), homozygote model (OR = 1.78; 95% CI: 1.06-3.00), heterozygote model (OR = 1.77; 95% CI: 1.03-3.05), and recessive model (OR = 1.78; 95% CI: 1.07-2.96). Four studies with 2085 cases and 1933 controls were included for rs895819 polymorphism. Overall, there was no significant result for association with rs895819, but subgroup analysis revealed that minor allele significantly decreased the risk of T2DM in Caucasians by recessive model (OR = 0.34; 95% CI: 0.18-0.66), dominant model (OR = 0.70; 95% CI: 0.52-0.94), homozygote model (OR = 0.32; 95% CI: 0.16-0.62), heterozygote model (OR = 0.37; 95% CI: 0.19-0.74), allelic model (OR = 0.67; 95% CI: 0.52-0.85). CONCLUSION: The minor allele of rs2910164 may increase the risk of T2DM by leading to lower level of miR-146a. In contrast, minor allele of rs895819 may decrease the risk of T2DM by leading to higher level of miR-27a. CI - Copyright: (c) 2020 Journal of Research in Medical Sciences. FAU - Gholami, Morteza AU - Gholami M AD - Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. AD - Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Asgarbeik, Saeedeh AU - Asgarbeik S AD - Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Razi, Farideh AU - Razi F AD - Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Esfahani, Ensieh Nasli AU - Esfahani EN AD - Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Zoughi, Marzieh AU - Zoughi M AD - Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Vahidi, Aida AU - Vahidi A AD - Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Larijani, Bagher AU - Larijani B AD - Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. FAU - Amoli, Mahsa Mohammad AU - Amoli MM AD - Metabolic Disorders Research Center, Endocrinology and Metabolism Molecular-Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran. LA - eng PT - Journal Article PT - Review DEP - 20200630 PL - India TA - J Res Med Sci JT - Journal of research in medical sciences : the official journal of Isfahan University of Medical Sciences JID - 101235599 PMC - PMC7554443 OTO - NOTNLM OT - MicroRNAs OT - Type 2 diabetes OT - polymorphism COIS- There are no conflicts of interest. EDAT- 2020/10/23 06:00 MHDA- 2020/10/23 06:01 PMCR- 2020/06/30 CRDT- 2020/10/22 05:36 PHST- 2019/11/04 00:00 [received] PHST- 2019/12/22 00:00 [revised] PHST- 2020/02/26 00:00 [accepted] PHST- 2020/10/22 05:36 [entrez] PHST- 2020/10/23 06:00 [pubmed] PHST- 2020/10/23 06:01 [medline] PHST- 2020/06/30 00:00 [pmc-release] AID - JRMS-25-56 [pii] AID - 10.4103/jrms.JRMS_751_19 [doi] PST - epublish SO - J Res Med Sci. 2020 Jun 30;25:56. doi: 10.4103/jrms.JRMS_751_19. eCollection 2020.