MARK4
MARK4proteinMARK4 is a microtubule-associated kinase released post-mortem and in severe cardiomyocyte injury during acute myocardial infarction.
Pathway placement
Cascade stepMyocardial injury (shared endpoint)
Confidencemedium
RationalePostmortem myocardial infarction marker; indicates severe cardiomyocyte damage.
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableNo
EnsemblENSG00000007047
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(1)
- MARK4 as a novel biomarker of acute myocardial ischemia-induced sudden cardiac death.Legal medicine (Tokyo, Japan) · 2025 · PMID 41421298 · doi