Phosphatidylinositol
lipidPhosphatidylinositol is a structural lipoprotein lipid altered by oxidative stress; reduced levels in MI-prone and vascular disease states mark lipid peroxidation and dysfunction.
Pathway placement
Cascade stepLipid retention & oxidation
Confidencemedium
RationaleLipoprotein lipid component; oxidative degradation in atherosclerosis and MI-prone states.
Also acts inMyocardial injury
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-I50
A — assay feasibility40
E — evidence strength40
T1DI (composite)5
Specificity differential (R−C)-35
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 inflammationn/a
2anemia / acute blood lossn/a
2hypovolemia / dehydrationn/a
2tachyarrhythmian/a
2hypoxemia / respiratory failuren/a
2hypertensive emergencyn/a
2high-demand / peri-operative stressn/a
3sudden cardiac deathmag 2
4aPCI-related periproceduraln/a
4bstent thrombosisn/a
4cin-stent restenosisn/a
5CABG-relatedmag 1
Coverage: 2/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 2 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 (EDTA to limit oxidation)
Collection tube
K2/K3-EDTA (lavender-top) · Serum separator (gold/red-top, SST)
Method / principle
LC-MS/MS lipidomics (targeted or shotgun)
Reagent / substrate
Deuterated lipid-class internal standards; MS/MS transitions
Platform
LC-MS/MS
Turnaround · availability
Research · Research-only
Literature evidence(6)
- Bioactive lipids in plasma and atherogenic apoB-containing lipoproteins: Effects of statins and PCSK9 inhibitors and relevance to residual cardiovascular risk.Pharmacology & therapeutics · 2026 · PMID 42162924 · doi
- Lipidomic Signature of Abdominal Aortic Aneurysm and Peripheral Artery Disease.Journal of proteome research · 2025 · PMID 40910695 · doi
- Spatial lipidomics of coronary atherosclerotic plaque development in a familial hypercholesterolemia swine model.Journal of lipid research · 2024 · PMID 38246237 · doi
- Lipidomics Approach in High-Fat-Diet-Induced Atherosclerosis Dyslipidemia Hamsters: Alleviation Using Ether-Phospholipids in Sea Urchin.Journal of agricultural and food chemistry · 2021 · PMID 33961420 · doi
- Lipidomic analysis of plasma lipoprotein fractions in myocardial infarction-prone rabbits.Journal of bioscience and bioengineering · 2015 · PMID 26162515 · doi
- Alteration in metabolic signature and lipid metabolism in patients with angina pectoris and myocardial infarction.PloS one · 2015 · PMID 26258408 · doi