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N8-acetylspermidine
Pathway / Off-pathway / systemic markers

N8-acetylspermidine

metabolite

N8-acetylspermidine is a polyamine metabolite associated with acute myocardial infarction but not mechanistically linked to atherothrombotic cascade steps.

Pathway placement
Cascade stepOff-pathway / systemic markers
Confidencelow
RationalePolyamine metabolite associated with acute injury but off-cascade mechanistically.
Also acts inVascular inflammation
Druggability
Not assessed (no mapped human gene target).

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, plasma or urine
Collection tube
Serum separator (gold/red-top, SST) · Lithium heparin (green-top) · Sterile urine container
Method / principle
LC-MS/MS (targeted metabolomics) or enzymatic colorimetric where available
Reagent / substrate
Stable-isotope-labeled internal standard (MS); or enzyme-coupled Trinder reagent
Platform
LC-MS/MS; some automated chemistry
Turnaround · availability
Send-out / research · Specialized / research

Literature evidence(1)