Table 1: Experimental protocol.

GroupsTreatment
AllergenSensitization/exposure (on days 0 and 14)Exposure/challenge (on days 24, 25, and 26)

Group 1Saline (i.p.)Saline inhalation for 30′. Saline (i.p.) 1 hour before nebulization and 12 hours later)

Group 2OVAOVA/alum (i.p.)OVA inhalation for 30′ Saline (i.p.) 1 hour before nebulization and 12 hours later)

Group 3Saline (i.p.)Saline inhalation for 30′. MnTE-2-PyP (i.p.) 1 hour before nebulization and 12 hours later)

Group 4OVAOVA/alum (i.p.)OVA inhalation for 30′. MnTE-2-PyP (i.p.) 1 hour before nebulization and 12 hours later