Effect of nasal treatment with Hα1-210, according to different protocols, on anti-rat AcChoR antibodies 4 and 8 weeks after immunization with AcChoR (A) and on T-cell proliferative responses to Torpedo AcChoR (B), 8 weeks after immunization. ∗, P < 0.001; ∗∗, P < 0.005 when compared with the control group. The figure represents results of one typical experiment of three experiments performed.