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Phosphatidylserine
Pathway / Platelet adhesion & activation

Phosphatidylserine

lipid

Phosphatidylserine exposure on activated platelets and microparticles promotes platelet aggregation and thrombin generation.

Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencemedium
RationalePS externalization on platelets and microparticles drives coagulation and thrombotic activation.
Also acts inCoagulation / thrombus, Myocardial 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-I
73
A — assay feasibility
40
E — evidence strength
48
T1DI (composite)
4
Specificity differential (R−C)-57.7
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 3
2anemia / acute blood lossmag 3
2hypovolemia / dehydrationmag 2
2tachyarrhythmiamag 3
2hypoxemia / respiratory failuremag 2
2hypertensive emergencymag 1
2high-demand / peri-operative stressmag 2
3sudden cardiac deathmag 2
4aPCI-related periproceduralmag 2
4bstent thrombosisn/a
4cin-stent restenosismag 2
5CABG-relatedmag 2
Coverage: 11/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 26 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(14)