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Cytochrome c
Pathway / Myocardial injury (shared endpoint)

Cytochrome c

CYCSprotein

Mitochondrial-release apoptosis and ferroptosis marker indicating programmed cardiomyocyte death during acute ischemic injury.

Pathway placement
Cascade stepMyocardial injury (shared endpoint)
Confidencehigh
RationaleMitochondrial apoptosis and ferroptosis marker; released during ischemia-reperfusion myocardial injury.
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableNo
EnsemblENSG00000172115

Type I vs non-Type I discrimination

ScoresIndeterminate
R — rupture / Type-I
—
C — non-Type-I
38
A — assay feasibility
68
E — evidence strength
37
T1DI (composite)
10
Specificity differential (R−C)-22.5
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 failuremag 1
2hypertensive emergencyn/a
2high-demand / peri-operative stressmag 1
3sudden cardiac deathmag 1
4aPCI-related periproceduralmag 2
4bstent thrombosisn/a
4cin-stent restenosismag 1
5CABG-relatedmag 0
Coverage: 8/12 axes with evidence
Tier: deep-scored (abstract-extracted) · 19 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(3)