Table 1

Summary of assay conditions that were tested and selected for the autologous tumor IFN-γ ELISPOT assay

Item optimized
Comparison
Selected for assay

Plates
Clear vs. Opaque
Opaque
Targets (tumor cells)
sCD40Lt stimulated vs. non-stimulated
sCD40Lt stimulated
Effectors (PBMC)
Overnight cultured vs 2 h cultured
Overnight cultured cells
Effector:Tumor Ratio
100:100, 100:200, 100:300K
100:200K cells/well

200:100, 200:200, 200:300K

Incubation time of assay
24 and 48 hours
48 hour
Media
5% and 10% HuAB vs. 5% and 10% FBS
10% HuAB
Substrate Detection System
AEC, TrueBlue™, and BCIP
TrueBlue™

Malyguine et al. Journal of Translational Medicine 2004 2:9   doi:10.1186/1479-5876-2-9