Mol Genet Genomic Med. 2019 May;7(5):e611. doi: 10.1002/mgg3.611. Epub 2019 Feb 27.
Effects of MTNR1B genetic variants on the risk of type 2 diabetes mellitus: A meta-analysis.
Molecular genetics & genomic medicine
Ling-Long Shen, Yin Jin
Affiliations
Affiliations
- Department of Clinical Laboratory, Huzhou Maternity and Child Health Care Hospital, Huzhou, China.
- Department of Clinical Laboratory, Huzhou Central Hospital, Huzhou, China.
PMID: 30811895
PMCID: PMC6503061 DOI: 10.1002/mgg3.611
Abstract
BACKGROUND: Whether melatonin receptor 1B (MTNR1B) variants are associated with type 2 diabetes mellitus (T2DM) remains unclear. Therefore, we performed this meta-analysis to better explore correlations between MTNR1B variants and T2DM.
METHODS: Literature research was performed in PubMed, Medline, and Embase. Odds ratios (ORs) and 95% confidence intervals (CIs) were calculated.
RESULTS: Totally 21 studies were enrolled to analyses. Pooled overall analyses showed that MTNR1B rs10830963 variant was significantly correlated with the susceptibility to T2DM (allele model: p = 0.02, OR = 0.97, 95% CI 0.95-1.00). Further subgroup analyses by ethnicity of participants revealed that rs10830963 variant was significantly correlated with the susceptibility to T2DM in South Asians, but not in Caucasians or East Asians. No any other positive results were found in overall and subgroup analyses.
CONCLUSIONS: Our findings indicated that MTNR1B rs10830963 variant might serve as a genetic biomarker of T2DM, especially in South Asians.
© 2019 The Authors. Molecular Genetics & Genomic Medicine published by Wiley Periodicals, Inc.
Keywords: genetic variants; melatonin receptor 1B (MTNR1B); meta-analysis; type 2 diabetes mellitus (T2DM)
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