Immunoregulation by targeting T cells in the treatment of allergy and asthma
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T-cell responses to allergens are crucial in determining the choice between health and disease. Th2 responses drive synthesis of IgE and the recruitment, maturation, survival and effector function of accessory cells such as eosinophils, basophils and mast cells. Allergen-specific strategies for targeting T-cell responses in established allergic diseases have been employed with success for almost a century. Recently, new insight into the mechanism of action of such approaches has revealed modulation of the delicate and complex regulatory mechanisms including suppression of Th2 responses through antagonistic Th1 responses and regulation through IL-10 and TGFbeta production.
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