Lactate Dehydrogenase B
LDHBproteinLactate dehydrogenase B is released from damaged cardiomyocytes during ischemic necrosis, serving as a biomarker of myocardial infarction.
Pathway placement
Cascade stepMyocardial injury (shared endpoint)
Confidencehigh
RationaleCardiomyocyte necrosis marker; myocardial tissue damage; ACS diagnosis and outcome predictor.
Druggability
DruggableYes
Known drugs / candidates0
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000111716
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(2)
- Gemini SERS for Cross-Category Biomarker Detection and Early Warning of Sudden Cardiac Death in Acute Coronary Syndrome.ACS nano · 2025 · PMID 41131881 · doi
- Discovery of plasma proteome markers associated with clinical outcome and immunological stress after cardiac surgery.Frontiers in cardiovascular medicine · 2023 · PMID 38379859 · doi