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Cell-free Biochemical Fluorometric Enzymatic Assay for High-throughput Measurement of Lipid Peroxidation in High Density Lipoprotein
Published on: October 12, 2017
Lipoprotein (a), Inflammation, and Atherosclerosis
Stefania Angela Di Fusco1, Aldo Pietro Maggioni2, Pietro Scicchitano3
1Clinical and Rehabilitation Unit, San Filippo Neri Hospital, ASL Rome 1, 00135 Rome, Italy.
Insights
High levels of lipoprotein (a) and chronic inflammation contribute to residual cardiovascular risk. Targeting these factors may reduce future cardiovascular events in patients.
Area of Science:
- Cardiovascular Medicine
- Biochemistry
- Inflammation Research
Background:
- Residual cardiovascular risk persists despite optimal evidence-based management.
- Elevated lipoprotein (a) (Lp(a)) and chronic inflammation are implicated in this residual risk.
- Lp(a) >125 nmol/L and high-sensitivity C-reactive protein >2 mg/dL are associated with increased cardiovascular events.
Purpose of the Study:
- To review the role of lipoprotein (a) and chronic inflammation in residual cardiovascular risk.
- To discuss current therapeutic limitations and emerging strategies for these risk factors.
- To highlight the importance of improved risk stratification for atherosclerotic cardiovascular disease.
Main Methods:
- Review of clinical studies and evidence linking Lp(a) and inflammation to cardiovascular disease.
- Analysis of current lipid-lowering drug efficacy on Lp(a) levels.
- Examination of anti-inflammatory drugs (e.g., canakinumab, colchicine) in cardiovascular risk reduction.
Main Results:
- High Lp(a) levels correlate with ischemic heart disease, stroke, and aortic stenosis.
- Standard lipid-lowering drugs have minimal effect on Lp(a).
- Canakinumab and colchicine show potential for cardiovascular risk reduction by targeting inflammation.
Conclusions:
- Lipoprotein (a) and chronic inflammation are key contributors to residual cardiovascular risk.
- Novel diagnostic and therapeutic strategies targeting Lp(a) and inflammation are crucial.
- Refined patient management through risk stratification may reduce atherosclerotic cardiovascular disease burden.
Abstract:
Growing evidence has shown that high levels of lipoprotein (a) (Lp(a)) and chronic inflammation may be responsible for the residual risk of cardiovascular events in patients managed with an optimal evidence-based approach. Clinical studies have demonstrated a correlation between higher Lp(a) levels and several atherosclerotic diseases including ischemic heart disease, stroke, and degenerative calcific aortic stenosis. The threshold value of Lp(a) serum concentrations associated with a significantly increased cardiovascular risk is >125 nmol/L (50 mg/dL). Current available lipid-lowering drugs have modest-to-no impact on Lp(a) levels. Chronic inflammation is a further condition potentially implicated in residual cardiovascular risk. Consistent evidence has shown an increased risk of cardiovascular events in patients with high sensitivity C reactive protein (>2 mg/dL), an inflammation biomarker. A number of anti-inflammatory drugs have been investigated in patients with or at risk of cardiovascular disease. Of these, canakinumab and colchicine have been found to be associated with cardiovascular risk reduction. Ongoing research aimed at improving risk stratification on the basis of Lp(a) and vessel inflammation assessment may help refine patient management. Furthermore, the identification of these conditions as cardiovascular risk factors has led to increased investigation into diagnostic and therapeutic strategies targeting them in order to reduce atherosclerotic cardiovascular disease burden.
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