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Blutwerte · Marker

Lp-PLA2

Lipoprotein-associated Phospholipase A2 · PLAC Test

Herzmarker
Einheit:
nmol/min/mL

Lp-PLA2 quantifies the enzyme activity associated with hydrolyzing oxidized phospholipids in LDL particles.

Reference Ranges

Reference
120342nmol/min/mL
120
342
LowNormalHigh
Reference
Unit · nmol/min/mL

Reference ranges may vary based on assay methods and population studies.

Overview

Übersicht

Lipoprotein-associated phospholipase A2 (Lp-PLA2) is an enzyme that plays a crucial role in lipid metabolism and immune regulation. It is primarily associated with low-density lipoprotein (LDL) particles in the bloodstream. Lp-PLA2 hydrolyzes oxidized phospholipids in oxidized LDL (oxLDL), leading to the production of pro-inflammatory molecules such as lysophosphatidylcholine (LysoPC) and oxidized fatty acids (oxFA), which are implicated in vascular inflammation and atherosclerosis. Researchers have found that Lp-PLA2 serves as a significant biomarker for cardiovascular diseases (CVDs), reflecting vascular inflammation and atherosclerotic disease progression. Elevated levels of Lp-PLA2 are associated with an increased risk of coronary events, stroke, and heart failure. Its measurement can aid in risk stratification and personalized medicine approaches for cardiovascular risk management. In the context of athletic performance, biohacking, or longevity, Lp-PLA2 may provide insights into cardiovascular health and inflammation status, which are critical for optimizing physical performance and extending healthy lifespan. However, researchers observed that the enzyme's activity can be influenced by genetic factors, such as CYP2C19 polymorphisms, and pharmacological interventions targeting Lp-PLA2 have shown inconsistent clinical outcomes. Confounding factors such as hyperlipidemia, genetic variability, and the presence of other inflammatory conditions can affect Lp-PLA2 levels. Fasting is not typically required for testing, but consistent timing and conditions are recommended for accurate longitudinal assessments.

Klinische Bedeutung

Elevated Lp-PLA2 levels indicate increased vascular inflammation and a higher risk of cardiovascular events such as atherosclerosis, coronary artery disease, and stroke. Reduced levels may suggest lower inflammatory activity and cardiovascular risk.

Dynamics

Trend Interpretation

Rising Values

Progressively rising Lp-PLA2 values suggest worsening vascular inflammation and increased cardiovascular risk. Re-test every 3-6 months if values are rising.

Falling Values

Falling values may indicate improved cardiovascular health or effective anti-inflammatory treatment.

Re-test Interval

6 months if outside optimal range

Etiology

Causes — High & Low

Cause

Elevated Levels

  • Atherosclerosis
  • Diabetes
  • Chronic inflammatory conditions
  • Genetic predisposition
  • Hyperlipidemia
  • Obesity
Cause

Low Levels

  • Low cardiovascular risk
  • Effective anti-inflammatory treatment
  • Genetic factors
  • Low LDL levels
  • Healthy lifestyle
  • Absence of chronic inflammation
Protocol

How to Optimize

Lever

Lifestyle

  • Regular cardiovascular exercise
  • Smoking cessation
  • Weight management
  • Stress reduction
Lever

Nutrition

  • Mediterranean diet
  • Increased omega-3 fatty acids
  • Reduced saturated fat intake
  • High fiber diet
Lever

Supplementation

  • Omega-3 fish oil
  • Curcumin
  • Resveratrol

Note:

Consult a healthcare provider before starting any supplementation, especially if on medication.

Testing Guidelines

Fasting Not Required
Not Time-Sensitive

Testing Frequency

Annually for individuals at risk of cardiovascular disease or as directed by a healthcare provider.

Interfering Factors

  • Recent acute illness
  • Anti-inflammatory medication
  • Genetic polymorphisms

Related Peptides & Hormones

Crp

Correlated with

hormone or peptide

Open Research Questions

Current research suggests that the optimal reference ranges for Lp-PLA2 activity and its role as a therapeutic target remain debated, particularly regarding confounding factors such as genetic variations and comorbidities. Emerging research directions include exploring Lp-PLA2's dual roles in lipid metabolism and inflammation across various diseases. However, clinical questions remain unanswered regarding its efficacy in guiding individualized treatment decisions and the consistency of its predictive value for cardiovascular events across diverse populations.

23 Research Publications

540

Total Citations

10

Human/RCT

2.9

Avg. Influence

2025

Latest

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Filter
#01

Lp-PLA2: an emerging biomarker of coronary heart disease.

ReviewInfluence8.0
89
This review discussed Lp-PLA2 as an emerging biomarker for coronary heart disease. Researchers emphasized its proinflammatory role in atherosclerosis and presented a new ELISA method for measuring Lp-PLA2 levels in plasma.
View on PubMed
#02

Lipoprotein-associated phospholipase A2 activity and risk of recurrent stroke.

HumanInfluence5.0
72
This study investigated the association between Lp-PLA2 activity and recurrent stroke risk. Researchers found that patients in the highest quartile of Lp-PLA2 activity had a significantly increased risk of recurrent stroke compared to those in the lowest quartile.
View on PubMed
#03

Pathophysiological role and clinical significance of lipoprotein-associated phospholipase A₂ (Lp-PLA₂) bound to LDL and HDL.

ReviewInfluence2.0
68
Researchers reviewed the role of Lp-PLA2 bound to LDL and HDL in atherosclerosis. They found that LDL-associated Lp-PLA2 is a cardiovascular risk marker, while HDL-associated Lp-PLA2 may have protective effects against heart disease.
View on PubMed
#04

Cardiovascular Biomarkers: Tools for Precision Diagnosis and Prognosis.

Netala Vasudeva Reddy, et al. · International journal of molecular sciences · 2025

ReviewInfluence3.0
65
This study reviewed various cardiovascular biomarkers, highlighting their roles in diagnosing and managing cardiovascular diseases. Researchers found that biomarkers like Lp-PLA2 provide insights into lipid metabolism and atherosclerosis, emphasizing their importance in personalized medicine.

Key findings

  1. 01Researchers observed that enzyme markers are essential for identifying heart injury during acute events.
  2. 02Researchers found that protein and peptide markers are important for diagnosing conditions like heart failure and myocardial infarction.
  3. 03Researchers noted that emerging biomarkers, including microRNAs, offer new ways to detect heart disease early and assess its severity.
View on PubMed
#05

Lipoprotein-associated phospholipase A2 (Lp-PLA2): a review of its role and significance as a cardiovascular biomarker.

Vittos Oana, et al. · Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals · 2012

ReviewInfluence2.0
63
Researchers conducted a systematic review on Lp-PLA2's significance in cardiovascular diseases. They found a consistent association between elevated Lp-PLA2 levels and cardiovascular events, suggesting its potential as a biomarker for risk stratification.

Key findings

  1. 01Researchers observed a strong connection between Lp-PLA2 levels and various cardiovascular events.
  2. 02The findings were consistent across different sexes and ethnic backgrounds.
  3. 03Lp-PLA2 may serve as an important target for future cardiovascular disease prevention and personalized medicine.
View on PubMed
#06

Deciphering the Causal Role of sPLA2s and Lp-PLA2 in Coronary Heart Disease.

ReviewInfluence1.0
41
This study examined the causal relationship between Lp-PLA2 and coronary heart disease. Researchers found that elevated levels of Lp-PLA2 are unlikely to be causal risk factors for the disease, suggesting that prior genetic studies could improve the efficiency of drug development.
View on PubMed
#07

Identification of Inflammation-Related Biomarker Lp-PLA2 for Patients With COPD by Comprehensive Analysis.

Human
38
Researchers identified Lp-PLA2 as a promising biomarker for chronic obstructive pulmonary disease (COPD). The study demonstrated that Lp-PLA2 levels correlate with disease severity and can effectively assess exercise tolerance in patients.
View on PubMed
#08

[Lipoprotein associated phospholipase A2].

Rubinstein Ardon & Izkhakov Elena · Harefuah · 2011

Review
31
This study highlighted Lp-PLA2 as an inflammatory biomarker linked to plaque instability in coronary heart disease. Researchers found that elevated Lp-PLA2 levels correlate with increased cardiovascular event risk and plaque inflammation.

Key findings

  1. 01Researchers observed that Lp-PLA2 is an inflammatory biomarker that indicates plaque instability in arteries.
  2. 02The study found that high levels of Lp-PLA2 are linked to an increased risk of cardiovascular events in patients.
  3. 03Researchers noted that Lp-PLA2 levels can help identify individuals at moderate to high risk for coronary heart disease.
View on PubMed
#09

Novel biomarkers for cardiovascular risk assessment: current status and future directions.

ReviewInfluence1.0
16
This review highlighted the need for novel biomarkers like Lp-PLA2 for better cardiovascular risk assessment. Researchers noted that traditional risk algorithms may miss significant CVD events, emphasizing the potential of multi-biomarker panels for improved prediction.
View on PubMed
#10

Lp-PLA2 Inhibition-The Atherosclerosis Panacea?

Review
15
This review examined the potential of Lp-PLA2 as a therapeutic target in atherosclerosis. Researchers found that increased Lp-PLA2 levels correlate with cardiovascular risk and that inhibiting Lp-PLA2 may reduce inflammation and improve patient outcomes.
View on PubMed

Publication Trend

Research publications about Lp-PLA2 over time

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