Heat shock protein 27
HSPB1proteinHeat shock protein 27 modulates platelet cytoskeletal dynamics and inhibits thrombotic responses, potentially stabilizing platelet function during atherothrombotic events.
Pathway placement
Cascade stepPlatelet adhesion & activation
Confidencemedium
RationaleActin remodeling and thrombosis inhibition in platelet activation context.
Also acts inVascular inflammation, Myocardial injury
Druggability
DruggableYes
Known drugs / candidates2
Small-molecule tractableYes
Antibody tractableYes
EnsemblENSG00000106211
Type I vs Type II discrimination
ScoresLow-confidence (proxy)
R — rupture / Type-I37
C — confounder / Type-II72
A — assay feasibility72
E — evidence strength27
T1DI (composite)6
Specificity differential (R−C)-34.5
Confounder panel (Type-II drivers)
No confounder evidence retrieved.
Tier: light (literature co-occurrence proxy — lower confidence). 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(5)
- Olfactory Receptor Activation Reduces Platelet Reactivity and Arterial Thrombosis Through Actin Cytoskeleton Remodeling.Circulation · 2026 · PMID 41944007 · doi
- Proteomic analysis of plasma proteins from patients with cardiac rupture after acute myocardial infarction using TMT-based quantitative proteomics approach.Clinical proteomics · 2024 · PMID 38429673 · doi
- Heat-Shock Protein 27 (HSPB1) Is Upregulated and Phosphorylated in Human Platelets during ST-Elevation Myocardial Infarction.International journal of molecular sciences · 2019 · PMID 31783528 · doi
- Platelet-Specific p38α Deficiency Improved Cardiac Function After Myocardial Infarction in Mice.Arteriosclerosis, thrombosis, and vascular biology · 2017 · PMID 28982666 · doi
- Quest for novel cardiovascular biomarkers by proteomic analysis.Journal of proteome research · 2005 · PMID 16083268 · doi