Ide, K Decreased expression of Th2 type cytokine mRNA contributes to the lack of allergic bronchial inflammation in aged rats. [electronic resource] - Journal of immunology (Baltimore, Md. : 1950) Jul 1999 - 396-402 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0022-1767 Subjects--Topical Terms: Age FactorsAging--immunologyAnimalsBronchitis--immunologyBronchoalveolar Lavage Fluid--cytologyCell Differentiation--immunologyCell-Free SystemCells, CulturedCytokines--biosynthesisEnzyme-Linked Immunosorbent AssayInjections, SubcutaneousInterferon-gamma--analysisInterleukin-4--analysisInterleukin-5--biosynthesisLymph Nodes--metabolismMaleOvalbumin--administration & dosageRNA, Messenger--biosynthesisRatsRats, Inbred BNRespiratory Hypersensitivity--immunologyTh2 Cells--metabolismTime Factors