Figure 2. The differential role of IFNα/β/γ on the proliferation of spheroids from different tissues. The effects of IFNα/β/γ were examined where 1 ng/mL and 5 ng/mL of IFNγ, 5 ng/mL of IFNα, and 5 ng/mL of IFNβ were used, and BSA was used as the control.