The Apolipoprotein C-I Content of Very-Low-Density Lipoproteins Is Associated with Fasting Triglycerides, Postprandial Lipemia, and Carotid Atherosclerosis
2011

Apolipoprotein C-I and Its Role in Triglyceride Levels and Atherosclerosis

Sample size: 81 publication Evidence: moderate

Author Information

Author(s): John-Bjarne Hansen, José A. Fernández, Ann-Trude With Notø, Hiroshi Deguchi, Johan Björkegren, Ellisiv B. Mathiesen

Primary Institution: University of Tromsø

Hypothesis

Apolipoprotein C-I is an important regulator of triglycerides in fasting and postprandial conditions and is associated with carotid atherosclerosis.

Conclusion

The content of apoC-I per VLDL particle is a significant regulator of triglyceride metabolism and is linked to carotid atherosclerosis.

Supporting Evidence

  • Fasting triglycerides increased across tertiles of apoC-I per VLDL particle.
  • The proportion of subjects with carotid plaques increased significantly with the number of apoC-I per VLDL particle.
  • Postprandial triglyceride levels were associated with the amount of apoC-I molecules per VLDL.

Takeaway

This study found that more apoC-I in certain fat particles in the blood can lead to higher triglyceride levels and a greater risk of artery problems.

Methodology

A cross-sectional study with 81 participants aged 56-80, who underwent a fat tolerance test and ultrasound examination for carotid atherosclerosis.

Limitations

The study is cross-sectional, which limits causal inferences.

Participant Demographics

Participants were aged 56-80 years, with some having diabetes mellitus type II.

Statistical Information

P-Value

P = 0.011

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1155/2011/271062

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