Renin
RENproteinRenin elevation reflects renin-angiotensin system activation and systemic hemodynamic/inflammatory stress during infarction.
Pathway placement
Cascade stepOff-pathway / systemic markers
Confidencemedium
RationaleRenin-angiotensin system component; systemic marker linked to infarct size and thrombosis independent of atherothrombotic cascade.
Also acts inCoagulation / thrombus
Druggability
DruggableYes
Known drugs / candidates4
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000143839
Type I vs Type II discrimination
ScoresType-II-associated
R — rupture / Type-I—
C — confounder / Type-II61
A — assay feasibility72
E — evidence strength46
T1DI (composite)9
Specificity differential (R−C)-46
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationmag 2
2anemia / acute blood lossmag 1
3hypovolemia / dehydrationmag 2
4tachyarrhythmian/a
5hypoxemia / respiratory failuremag 2
6hypertensive emergencymag 3
7high-demand / peri-operative stressmag 1
Coverage: 6/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 14 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(6)
- Plasma Protein Profile Associated With a Family History of Early-Onset Coronary Heart Disease.Circulation. Genomic and precision medicine · 2025 · PMID 41200820 · doi
- Plasma proteome and incident myocardial infarction: sex-specific differences.European heart journal · 2024 · PMID 39397782 · doi
- Prognostic importance of biomarkers associated with haemostatic, vascular and endothelial disturbances in acute coronary syndrome patients in relation to kidney function.International journal of cardiology · 2022 · PMID 36476672 · doi
- Vasculometabolic and Inflammatory Effects of Aldosterone in Obesity.The Journal of clinical endocrinology and metabolism · 2020 · PMID 32529242 · doi
- Using proximity extension proteomics assay to identify biomarkers associated with infarct size and ejection fraction after ST-elevation myocardial infarction.Scientific reports · 2020 · PMID 33122738 · doi
- Aliskiren inhibits experimental venous thrombosis in two-kidney one- clip hypertensive rats.Thrombosis research · 2012 · PMID 23174623 · doi
Clinical trials(2)
- Comparison of Fimasartan Versus Amlodipine Therapy on Carotid PlaquE InflammationNCT02378064 · PHASE4 · COMPLETED · 6-month treatment
- Effect of Renin Angiotensin Aldosterone System Genetic Polymorphism on the Pharmacological Effect of Mineralocorticoid Receptor Antagonists in Patients With Myocardial InfarctionNCT05873400 · UNKNOWN