PC(22:4/14:1)
lipidPhosphatidylcholine dysregulated in myocardial ischemic injury and post-MI heart failure progression.
Pathway placement
Cascade stepMyocardial injury (shared endpoint)
Confidencelow
RationalePhosphatidylcholine remodeling in myocardial injury; predictor of post-MI heart failure.
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-I67
A — assay feasibility40
E — evidence strength95
T1DI (composite)9
Specificity differential (R−C)-51.7
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 / dehydrationn/a
2tachyarrhythmian/a
2hypoxemia / respiratory failuren/a
2hypertensive emergencyn/a
2high-demand / peri-operative stressn/a
3sudden cardiac deathn/a
4aPCI-related periproceduraln/a
4bstent thrombosisn/a
4cin-stent restenosisn/a
5CABG-relatedn/a
Coverage: 1/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 1 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(1)
- Serum lipidomics reveals phosphatidylethanolamine and phosphatidylcholine disorders in patients with myocardial infarction and post-myocardial infarction-heart failure.Lipids in health and disease · 2023 · PMID 37210547 · doi