Fig. 3.

Effect of IFN-α on depressive-like behaviours in NZB/NZW F1 mice, as assessed by the tail suspension test. The freezing time (a) and latency to freezing (b) of the mice in the tail suspension test. Number of animals per group = 10. *P < 0.05, **P < 0.01, ***P < 0.005, ****P < 0.001 vs. Adv-ctrl-treated group, unpaired t test