Angiotensin II
peptideAngiotensin II drives endothelial activation, impairs vasodilation, and amplifies plaque inflammation via LOX-1 and NADPH-oxidase signaling.
Pathway placement
Cascade stepEndothelial activation & erosion
Confidencehigh
RationaleVasoconstriction, endothelial dysfunction, LOX-1 upregulation, and pro-inflammatory effects.
Also acts inVascular inflammation
Druggability
Not assessed (no mapped human gene target).
Type I vs non-Type I discrimination
ScoresNon-Type-I-associated
R — rupture / Type-I—
C — non-Type-I60
A — assay feasibility66
E — evidence strength52
T1DI (composite)9
Specificity differential (R−C)-45
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 / dehydrationn/a
2tachyarrhythmiamag 1
2hypoxemia / respiratory failuren/a
2hypertensive emergencymag 3
2high-demand / peri-operative stressmag 1
3sudden cardiac deathn/a
4aPCI-related periproceduraln/a
4bstent thrombosisn/a
4cin-stent restenosisn/a
5CABG-relatedmag 2
Coverage: 5/12 axes 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
Plasma (EDTA; peptidase-labile — chilled + protease inhibitor)
Collection tube
K2-EDTA, chilled plastic (lavender-top) · Serum separator (gold/red-top, SST)
Method / principle
Competitive/sandwich immunoassay or LC-MS/MS
Reagent / substrate
Anti-peptide antibody; or isotope-labeled internal standard (MS)
Platform
Immunoassay / LC-MS/MS
Turnaround · availability
Send-out / research · Research-grade
Literature evidence(5)
- The clinical significance of endocardial endothelial dysfunction.Medicina (Kaunas, Lithuania) · 2017 · PMID 29074341 · doi
- Insight into the mode of action of ACE inhibition in coronary artery disease: the ultimate 'EUROPA' story.Drugs · 2009 · PMID 19275271 · doi
- The role of inflammatory stress in acute coronary syndrome.Chinese medical journal · 2004 · PMID 14733789
- The role of LOX-1, a novel lectin-like receptor for oxidized low density lipoprotein, in atherosclerosis.The Canadian journal of cardiology · 2004 · PMID 15309203
- C-reactive protein incites atherosclerosis.The Canadian journal of cardiology · 2004 · PMID 15309202