Shu-Ling Kao

Chang Gung University, Hsin-chu-hsien, Taiwan, Taiwan

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Publications (1)2.35 Total impact

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    ABSTRACT: A skewed T-helper (T(h))1/T(h)2 immune response is considered to be the major cause of allergic disorders. Overproduction of T(h)2 cytokines, which promote recruitment and activation of mast cells and eosinophils, plays a key part in the pathogenesis of allergic asthma. The mechanisms by which omalizumab is effective in asthma treatment are not yet fully understood. A 16-year-old girl who was experiencing frequent asthma attacks in spite of daily administration of budesonide (640 μg) and montelukast (10mg) was given omalizumab (375 mg) at intervals of 2 weeks, to prevent a visit to the emergency room. Plasma levels of T(h)1 cytokines [interferon (IFN)-γ and interleukin (IL)-12p70], T(h)2 cytokines (IL-4 and IL-13), other proinflammatory and regulatory cytokines [IL-6, IL-10, IL-17, tumor necrosis factor (TNF)-α, and transforming growth factor (TGF)-β], chemokines [monocyte chemotactic protein (MCP)-1, chemokine ligand (CCL)7, and CCL17], and soluble Fas ligand (sFasL) were measured before treatment and after treatment for 8 weeks. She showed a good clinical response to omalizumab: her lung function parameters improved and the use of β2-agonist decreased. No emergency room visits were required after omalizumab treatment for 8 weeks. Plasma levels of sFasL and TGF-β showed obvious increases after omalizumab therapy. IL-12p70 levels were decreased as compared to the corresponding baseline levels. These findings suggest that the effects of omalizumab in asthma treatment are not restricted to the regulation of the skewed T(h)1/T(h)2 cytokine immune response, and sFasL-mediated apoptosis and regulatory T-cell (Treg)-mediated TGF-β seem to have important roles in the therapeutic effects of omalizumab.
    No preview · Article · Feb 2012 · Journal of microbiology, immunology, and infection = Wei mian yu gan ran za zhi