期刊
CURRENT ALLERGY AND ASTHMA REPORTS
卷 5, 期 1, 页码 35-41出版社
CURRENT MEDICINE GROUP
DOI: 10.1007/s11882-005-0052-6
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CD4 T helper 2 (Th2) cells, with the characteristic interleukin (IL)-4, IL-5, and IL-13 cytokine secretion profile, play an important role in the initiation and perpetuation of allergic airways disease. It is clear from recent studies that CD4+ T cells with distinct cytokine-producing abilities have regulatory functions that limit allergic inflammation. Studies of allergic airway inflammation in mice have identified different types of T regulatory cells (Tregs) that control the disease: phenotype. The cytokines associated with the Treg phenotype in mice include both soluble and cell membrane-bound transforming growth factor (TGF)-beta and IL-10. Both contact-dependent mechanisms involving membrane-bound TGF-beta and contact-independent mechanisms involving soluble TGF-beta and IL-10 have been invoked to describe the function of these Tregs. In humans, studies of milk allergy show an association between circulating CD4+CD25+ Tregs and tolerance to the causative allergen, beta-lactoglobulin. The identification of Tregs as suppressors of allergic disease may promote the development of new therapeutic strategies.
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