Amides/therapeutic use; Asthma/drug therapy; Disease Models, Animal; I-kappa B Kinase/antagonists & inhibitors; Muscle, Smooth/drug effects; Respiratory System/drug effects; Thiophenes/therapeutic use; Amides/immunology; Animals; Anti-Inflammatory Agents/immunology; Anti-Inflammatory Agents/therapeutic use; Asthma/immunology; Asthma/physiopathology; Budesonide/immunology; Budesonide/therapeutic use; Cells, Cultured/drug effects; Cells, Cultured/immunology; Chemokine CCL11; Chemokines, CC/immunology; Dexamethasone/immunology; Dexamethasone/therapeutic use; Drug Evaluation, Preclinical; Gene Expression/drug effects; Gene Expression/immunology; Granulocyte Colony-Stimulating Factor/drug effects; Granulocyte Colony-Stimulating Factor/immunology; Humans; I-kappa B Kinase/immunology; Inflammation; Interleukin-8/immunology; Muscle, Smooth/cytology; Muscle, Smooth/immunology; Muscle, Smooth/physiopathology; NF-kappa B/drug effects; NF-kappa B/immunology; Rats; Respiratory System/cytology; Respiratory System/immunology; Respiratory System/physiopathology; Thiophenes/immunology