1X10^6 BALB/c mouse splenocytes were surface stained with CoraLite®488-conjugated Armenian Hamster IgG Isotype Control (CL488-65210, Clone: PIP) (purple), or 0.5 ug FITC Anti-Mouse CD3ε (FITC-65060, Clone: 145-2C11) (green), or 0.5 ug FITC-Armenian Hamster IgG Isotype Control (black). Cells were not fixed.