Peroxisome proliferator-activated receptor
proteinPPAR-mediated cardioprotective peroxisome-proliferator signaling is attenuated in post-MI myocardial stunning and heart-failure progression.
Pathway placement
Cascade stepOff-pathway / systemic markers
Confidencelow
RationaleCardioprotective signaling pathway; reduced in myocardial stunning.
Druggability
Not assessed (no mapped human gene target).
Type I vs non-Type I discrimination
ScoresShared / rises in both
R — rupture / Type-I67
C — non-Type-I63
A — assay feasibility68
E — evidence strength80
T1DI (composite)28
Specificity differential (R−C)+3.7
Non-Type-I axis panel
Does this marker also move in each non-Type-I setting? mag 0–3; higher means less Type-I-specific. n/a = no evidence retrieved, which is not the same as no change.
2sepsis / systemic inflammationmag 2
2anemia / acute blood lossn/a
2hypovolemia / dehydrationmag 1
2tachyarrhythmiamag 2
2hypoxemia / respiratory failuremag 2
2hypertensive emergencymag 2
2high-demand / peri-operative stressmag 2
3sudden cardiac deathmag 2
4aPCI-related periproceduraln/a
4bstent thrombosisn/a
4cin-stent restenosismag 2
5CABG-relatedmag 2
Coverage: 9/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 25 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(2)
- Xin-shu-bao tablets ameliorates ventricular remodeling against HFrEF via PPARγ/MFGE8 pathway based on MALDI-MSI and lipidomics.Journal of ethnopharmacology · 2025 · PMID 40216048 · 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