Lipoprotein Lipase S447X variant associated with VLDL, LDL and HDL diameter clustering in the MetS
2011

Lipoprotein Lipase Variant Linked to Lipoprotein Size in Metabolic Syndrome

Sample size: 251 publication Evidence: moderate

Author Information

Author(s): Alexis C. Wood, Stephen Glasser, W. Timothy Garvey, Edmond K. Kabagambe, Ingrid B. Borecki, Hemant K. Tiwari, Michael Y. Tsai, Paul N. Hopkins, Jose M. Ordovas, Donna K. Arnett

Primary Institution: University of Alabama at Birmingham

Hypothesis

Is there an association between lipoprotein lipase gene variants and lipoprotein diameter patterns in individuals with metabolic syndrome?

Conclusion

The study found that the S447X variant of lipoprotein lipase is associated with larger VLDL particle sizes in individuals with metabolic syndrome.

Supporting Evidence

  • The study identified two groups of individuals with different lipoprotein diameter patterns.
  • Group 2 had significantly more carriers of the S447X variant compared to Group 1.
  • Both groups met the ATP-III criteria for metabolic syndrome.

Takeaway

This study shows that a specific gene variant can affect the size of fat particles in the blood, which is important for people with metabolic syndrome.

Methodology

Latent class analysis was used to group individuals based on the diameter of their fasting lipoproteins, and mixed linear models were applied to assess associations with gene variants.

Potential Biases

The study did not stratify results by gender due to the small sample size, which could introduce bias.

Limitations

The study had a small sample size and was limited to individuals of European descent, which may affect the generalizability of the findings.

Participant Demographics

The majority of participants were of European descent, with a mix of men and women.

Statistical Information

P-Value

0.04

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1476-511X-10-143

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