Interleukin-18
IL18proteinInterleukin-18 is an inflammasome-processed cytokine that promotes atherosclerotic inflammation, immune activation, and plaque destabilization in the atherothrombotic cascade leading to MI.
Pathway placement
Cascade stepPlaque inflammation
Confidencehigh
RationaleNLRP3 inflammasome-derived cytokine; drives atherosclerotic plaque inflammation and instability contributing to MI pathogenesis.
Druggability
DruggableYes
Known drugs / candidates3
Small-molecule tractableNo
Antibody tractableYes
EnsemblENSG00000150782
Type I vs Type II discrimination
ScoresType-II-associated
R — rupture / Type-I—
C — confounder / Type-II61
A — assay feasibility72
E — evidence strength57
T1DI (composite)11
Specificity differential (R−C)-46
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationmag 3
2anemia / acute blood lossmag 2
3hypovolemia / dehydrationmag 1
4tachyarrhythmiamag 2
5hypoxemia / respiratory failuremag 1
6hypertensive emergencyn/a
7high-demand / peri-operative stressmag 2
Coverage: 6/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 12 supporting references. See the discrimination table for all markers.
Assay & specimen
Class-level default (no specific cleared assay)— generic method inferred from analyte class; confirm against a specific product insert before use.
Specimen
Serum or plasma
Collection tube
Serum separator (gold/red-top, SST) · K2/K3-EDTA (lavender-top)
Method / principle
Sandwich immunoassay (ELISA) — research-grade unless a cleared assay exists
Reagent / substrate
Matched anti-target antibody pair (capture + labeled detection)
Platform
ELISA microplate or multiplex (Luminex/MSD)
Turnaround · availability
Send-out / research · Research-grade (no universal clinical assay)
Literature evidence(21)
- Metagenomic Sequencing Combined with Metabolomics to Explore Gut Microbiota and Metabolic Changes in Mice with Acute Myocardial Infarction and the Potential Mechanism of Allicin.Drug design, development and therapy · 2025 · PMID 39925879 · doi
- Inflammation-associated Lipidomic Signatures Prior to Carotid Artery Atherosclerosis in People Living With HIV.The Journal of clinical endocrinology and metabolism · 2025 · PMID 40489338 · doi
- Associations between inflammatory and angiogenic proteomic biomarkers, and cardiovascular events and mortality in relation to kidney function.Clinical kidney journal · 2024 · PMID 38524235 · doi
- Infliximab Limits Injury in Myocardial Infarction.Journal of the American Heart Association · 2024 · PMID 38700022 · doi
- Cytokines and their role in cardiovascular diseases.Cytokine · 2023 · PMID 37413877 · doi
- The AIM2 inflammasome: A novel biomarker and target in cardiovascular disease.Pharmacological research · 2022 · PMID 36332811 · doi
- Mitochondrial DAMPs and altered mitochondrial dynamics in OxLDL burden in atherosclerosis.Molecular and cellular biochemistry · 2021 · PMID 33492610 · doi
- The Inflammasome Signaling Pathway Is Actively Regulated and Related to Myocardial Damage in Coronary Thrombi from Patients with STEMI.Mediators of inflammation · 2021 · PMID 34135690 · doi
- NLRP3 Inflammasome Biomarker-Could Be the New Tool for Improved Cardiometabolic Syndrome Outcome.Metabolites · 2020 · PMID 33172097 · doi
- Prediction of postpercutaneous coronary intervention myocardial infarction: insights from intravascular imaging, coronary flow, and biomarker evaluation.Coronary artery disease · 2018 · PMID 29112510 · doi
- Cholesterol Efflux Pathways Suppress Inflammasome Activation, NETosis, and Atherogenesis.Circulation · 2018 · PMID 29588315 · doi
- The Role of Colchicine in Acute Coronary Syndromes.Clinical therapeutics · 2018 · PMID 30185392 · doi
- C-terminal fragment of agrin (CAF) levels predict acute kidney injury after acute myocardial infarction.BMC nephrology · 2017 · PMID 28646861 · doi
- IL-1 family cytokines in cardiovascular disease.Cytokine · 2017 · PMID 29198612 · doi
- The NLRP3 inflammasome and the emerging role of colchicine to inhibit atherosclerosis-associated inflammation.Atherosclerosis · 2017 · PMID 29352570 · doi
- Associations between circulating proteins and corresponding genes expressed in coronary thrombi in patients with acute myocardial infarction.Thrombosis research · 2015 · PMID 26475405 · doi
- Comparison of inflammatory markers between diabetic and nondiabetic ST segment elevation myocardial infarction.Journal of cardiology · 2012 · PMID 22658696 · doi
- Markers of inflammation, thrombosis and endothelial activation correlate with carotid IMT regression in stable coronary disease after atorvastatin treatment.Nutrition, metabolism, and cardiovascular diseases : NMCD · 2009 · PMID 19171469 · doi
- Contribution of novel biomarkers to incident stable angina and acute coronary syndrome: the PRIME Study.European heart journal · 2008 · PMID 18621771 · doi
- Characterization of the human atheroma plaque secretome by proteomic analysis.Methods in molecular biology (Clifton, N.J.) · 2007 · PMID 17172685 · doi
- Quest for novel cardiovascular biomarkers by proteomic analysis.Journal of proteome research · 2005 · PMID 16083268 · doi