AMPK
proteinAMPK decline impairs metabolic stress response and cardioprotection, contributing to energy depletion and inflammatory dysregulation post-MI.
Pathway placement
Cascade stepOff-pathway / systemic markers
Confidencelow
RationaleMetabolic stress and cardioprotective signaling; off-pathway metabolic regulator.
Also acts inVascular inflammation
Druggability
Not assessed (no mapped human gene target).
Type I vs Type II discrimination
ScoresType-II-associated
R — rupture / Type-I0
C — confounder / Type-II67
A — assay feasibility68
E — evidence strength55
T1DI (composite)6
Specificity differential (R−C)-66.7
Confounder panel (Type-II drivers)
1sepsis / systemic inflammationmag 2
2anemia / acute blood lossn/a
3hypovolemia / dehydrationn/a
4tachyarrhythmiamag 2
5hypoxemia / respiratory failuremag 2
6hypertensive emergencymag 2
7high-demand / peri-operative stressmag 2
Coverage: 5/7 confounders with evidence
Tier: deep-scored (abstract-extracted) · 20 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(8)
- Cardioprotective effects of the jiming formula on myocardial metabolism in Mice with myocardial infarction via the AMPK/SIRT1/PGC-1α pathway.Phytomedicine : international journal of phytotherapy and phytopharmacology · 2025 · PMID 40220403 · doi
- Myocardial transcriptomic and proteomic landscapes across the menopausal continuum in a murine model of chemically induced accelerated ovarian failure.Physiological genomics · 2025 · PMID 40266891 · doi
- Hypericin attenuates myocardial ischemia-reperfusion injury by enhancing mitochondrial energy metabolism via AMPK/PGC-1α signaling pathway.Tissue & cell · 2025 · PMID 40848413 · doi
- Metabolomics of repetitive myocardial stunning in chronic multivessel coronary artery stenosis: Effect of non-selective and selective β1-receptor blockers.The Journal of physiology · 2024 · PMID 38885335 · doi
- The amino acid metabolomics signature of differentiating myocardial infarction from strangulation death in mice models.Scientific reports · 2023 · PMID 37696922 · doi
- Mitochondrial DAMPs and altered mitochondrial dynamics in OxLDL burden in atherosclerosis.Molecular and cellular biochemistry · 2021 · PMID 33492610 · doi
- LXR/RXR signaling and neutrophil phenotype following myocardial infarction classify sex differences in remodeling.Basic research in cardiology · 2018 · PMID 30132266 · doi
- Plant food delphinidin-3-glucoside significantly inhibits platelet activation and thrombosis: novel protective roles against cardiovascular diseases.PloS one · 2012 · PMID 22624015 · doi