Melatonin receptor 1 B polymorphisms associated with the risk of gestational diabetes mellitus
2011

Genetic Variants in Melatonin Receptor 1B Linked to Gestational Diabetes

Sample size: 1918 publication 10 minutes Evidence: high

Author Information

Author(s): Kim Jason Y, Cheong Hyun Sub, Park Byung-Lae, Baik Sei Hyun, Park Sunmin, Lee Si Won, Kim Min-Hyoung, Chung Jin Hoon, Choi June Seek, Kim Moon-Young, Yang Jae-Hyug, Cho Dong-Hee, Shin Hyoung Doo, Kim Sung-Hoon

Primary Institution: Sogang University

Hypothesis

The two genetic polymorphisms in the MTNR1B gene may be associated with gestational diabetes mellitus (GDM).

Conclusion

This study found significant associations between two SNPs of the MTNR1B gene and the risk of gestational diabetes in Korean women.

Supporting Evidence

  • The study included 1,918 subjects, with 928 diagnosed with GDM and 990 controls.
  • Significant associations were found between the SNPs and various diabetes-related phenotypes.
  • Conditional analyses suggested that one SNP might be more functionally relevant than the other.

Takeaway

Scientists studied two genes to see if they could help explain why some pregnant women get diabetes. They found that certain changes in these genes are linked to a higher chance of getting diabetes during pregnancy.

Methodology

The study involved genotyping two MTNR1B polymorphisms in 928 GDM patients and 990 controls, using TaqMan assay and statistical models to evaluate associations.

Limitations

The study focused only on Korean pregnant women, limiting the generalizability of the findings to other populations.

Participant Demographics

All participants were of Korean ethnic origin.

Statistical Information

P-Value

0.0001

Confidence Interval

95% CI = 1.30 (1.06 - 1.66) for rs1387153; 95% CI = 1.35 (1.18 - 1.54) for rs10830963

Statistical Significance

p<0.0001

Digital Object Identifier (DOI)

10.1186/1471-2350-12-82

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