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Updated: Aug 7, 2026

Optimized Negative Staining: a High-throughput Protocol for Examining Small and Asymmetric Protein Structure by Electron Microscopy
Published on: August 15, 2014
The apolipoprotein story
1Department of Nutrition, Harvard School of Public Health, Boston, MA, USA. fsacks@hsph.harvard.edu
Insights
Apolipoprotein B (apo B) is a superior predictor of cardiac events compared to LDL cholesterol, even during statin therapy. Triglycerides and apo C-III also offer valuable insights into coronary heart disease (CHD) risk.
Area of Science:
- Cardiovascular Medicine
- Lipidology
- Preventive Cardiology
Background:
- The predictive value of various lipid and lipoprotein measurements for cardiac events is debated.
- Apolipoproteins, triglycerides, and LDL particle concentration are key areas of interest.
Purpose of the Study:
- To evaluate the role of apolipoprotein B (apo B) as an independent predictor of coronary heart disease (CHD).
- To compare the predictive efficacy of apo B against LDL and non-HDL cholesterol.
- To assess the contribution of triglycerides and apo C-III in CHD risk prediction.
Main Methods:
- Analysis of existing epidemiological data and clinical studies.
- Comparison of predictive performance of different biomarkers including apo B, triglycerides, LDL, and non-HDL cholesterol.
- Evaluation of biomarker performance during statin treatment.
Main Results:
- Apolipoprotein B (apo B) is a strong, independent predictor of initial and recurrent coronary events, outperforming LDL and non-HDL cholesterol.
- Apo B measurement is unaffected by fasting status or hypertriglyceridemia.
- Triglycerides and triglyceride-rich lipoproteins, particularly with apo C-III, also show strong predictive value and may offer additional information beyond apo B.
Conclusions:
- Apolipoprotein B (apo B) offers significant advantages as a predictor of CHD risk due to its independent predictive power and measurement stability.
- Triglycerides and apo C-III provide valuable complementary information for CHD risk assessment.
- Further research and clinical application of apo B and triglyceride-related markers are warranted for improved CHD risk prediction and treatment response evaluation.
Abstract:
The importance of different lipid and lipoprotein measurements, including LDL particle concentration and levels of apolipoproteins and triglycerides, in the prediction of future cardiac events continues to be debated. In summary, apo B is a strong, independent predictor of initial and recurrent coronary events, even during statin treatment, and recent studies show its predictive superiority over LDL and non-HDL cholesterol. Importantly, determination of apo B levels is unaffected in a non-fasted or hypertriglyceridemic state and is not derived from other measurements. Thus, clear advantages exist for using apo B as a predictor of CHD. Likewise, triglycerides and triglyceride-rich lipoproteins are also strong, independent predictors of coronary events (initial and recurrent) during statin treatment. Triglycerides or especially triglyceride-rich lipoproteins with apo C-III may provide additional information to apo B. Apo C-III not only impairs lipoprotein metabolism but also stimulates directly the vascular inflammatory process. In contrast, evidence from large epidemiological studies is coalescing toward the view that small LDL size is more of a marker of these atherogenic triglyceride-rich lipoproteins than an independent predictor of CHD. Clearly, there remains considerable interest, both in terms of research and clinical practice, in the role of apo B, triglycerides, and specific apo B-containing lipoprotein particles as independent predictors of CHD risk as well as their potential to improve risk prediction and response to lipid-modifying treatment.
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