Anti-Inflammatory Agents/pharmacology; Dermatitis, Allergic Contact/prevention & control; ErbB Receptors/antagonists & inhibitors; Histone Deacetylase Inhibitors/pharmacology; Immunosuppressive Agents/pharmacology; Phenylbutyrates/pharmacology; Protein Kinase Inhibitors/toxicity; Quinazolines/toxicity; Signal Transduction/drug effects; Skin/drug effects; Administration, Cutaneous; Animals; Anti-Inflammatory Agents/administration & dosage; Cells, Cultured; Chemokine CCL2/metabolism; Dermatitis, Allergic Contact/enzymology; Dermatitis, Allergic Contact/etiology; Dermatitis, Allergic Contact/immunology; Dermatitis, Allergic Contact/pathology; Dinitrofluorobenzene; Disease Models, Animal; ErbB Receptors/metabolism; Forkhead Transcription Factors/metabolism; Histone Deacetylase Inhibitors/administration & dosage; Immunosuppressive Agents/administration & dosage; Injections, Intraperitoneal; Male; Mast Cells/drug effects; Mast Cells/immunology; Mice; Mice, Inbred BALB C; Phenylbutyrates/administration & dosage; Skin/enzymology; Skin/immunology; Skin/pathology; Stem Cell Factor/metabolism; T-Lymphocytes, Helper-Inducer/drug effects; T-Lymphocytes, Helper-Inducer/immunology; T-Lymphocytes, Regulatory/drug effects; T-Lymphocytes, Regulatory/immunology; Time Factors; Tumor Necrosis Factor-alpha/metabolism