Table 1

Conditions for performing the plasminogen activator system and vascular endothelial growth factor (VEGF) ELISAs

ELISADilutionCapture antibodyIncubationDetection antibodyConjugateStandard curve
ELISA, enzyme linked immunosorbent assay; HRP, horseradish peroxidase; PAI, plasminogen activator inhibitor; RT, room temperature; tPA, tissue type plasminogen activator; uPA, urokinase plasminogen activator.
uPA1/10Mouse antihumanOvernight 4°CBiotinylated antihuman uPAStreptavidin–HRP0.1–1.0 ng/ml
tPANoneGoat anti-tPA1 hour RT shaking––HRP anti-tPA0.5–10.0
uPAR1/5Mouse antihumanOvernight 4°CBiotinylated antihuman UpaRStreptavidin–HRP0.1–3.0 ng/ml
PAI-11/10Mouse antihumanOvernight 4°CBiotinylated antihuman PAI-1Streptavidin–HRP0.1–10.0 ng/ml
PAI-2NonePolyclonal antihuman2 hours RTBiotinylated antihuman PAI-2Streptavidin–HRP0.5–10 ng/ml
VEGFNoneMouse antihuman2 hours RT––HRP anti-VEGF31.2–2000 pg/ml