Novel Association of HK1 with Glycated Hemoglobin in a Non-Diabetic Population: A Genome-Wide Evaluation of 14,618 Participants in the Women's Genome Health Study
2008

Genetic Links Between HK1 and Blood Sugar Levels

Sample size: 14618 publication Evidence: high

Author Information

Author(s): Guillaume Paré, Daniel I. Chasman, Alexander N. Parker, David M. Nathan, Joseph P. Miletich, Robert Y. Zee, Paul M. Ridker

Primary Institution: Brigham and Women's Hospital, Harvard Medical School

Hypothesis

What are the genetic determinants of glycated hemoglobin levels in non-diabetic individuals?

Conclusion

The study found that genetic variations at the HK1, GCK, SLC30A8, and G6PC2 loci are associated with glycated hemoglobin levels in non-diabetic women.

Supporting Evidence

  • The study identified significant associations between glycated hemoglobin levels and genetic variants at four loci.
  • The findings at HK1 are novel and suggest a role in glucose metabolism.
  • The study replicated findings in an independent validation sample of 455 non-diabetic individuals.

Takeaway

Scientists looked at the genes of healthy women to see how they affect blood sugar levels, and found some important links.

Methodology

A genome-wide association study evaluating 337,343 SNPs in 14,618 non-diabetic women.

Limitations

Some diabetic subjects may not have been eliminated from the cohort, potentially affecting results.

Participant Demographics

14,618 apparently healthy Caucasian women.

Statistical Information

P-Value

p=6.4×10−9 for HK1

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pgen.1000312

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