Update in the mechanisms of allergen-specific immunotheraphy.

Update in the mechanisms of allergen-specific immunotheraphy.
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DOI:
10.4168/aair.2011.3.1.11
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发表时间:
2011-01
期刊:
Allergy, asthma & immunology research
影响因子:
--
通讯作者:
Akdis CA
Akdis CA
中科院分区:
其他
文献类型:
--
作者:
Akkoc T;Akdis M;Akdis CA

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变态反应性疾病是对自然环境过敏原的一种复杂的先天和过继免疫反应,具有Th2型T细胞和过敏原特异性IgE优势。通过增强免疫耐受机制,变应原特异性免疫治疗是治疗变应原免疫应答失调的最有效的方法。免疫治疗的主要目的是在致敏患者中产生无反应性或耐受性的变应原T细胞,并下调主要由T细胞和IgE介导的免疫反应。在过敏原特异性免疫治疗过程中,会产生T调节细胞,分泌IL-10并诱导过敏原特异性B细胞产生IgG4抗体。这些机制诱导对抗原的耐受性,从而减少过敏症状。尽管目前的知识强调了T调节细胞介导的免疫耐受的作用,但导致过敏原特异性免疫治疗成功的确切机制仍然是一个开放的研究领域。
Allergic diseases represent a complex innate and adoptive immune response to natural environmental allergens with Th2-type T cells and allergen-specific IgE predominance. Allergen-specific immunotherapy is the most effective therapeutic approach for disregulated immune response towards allergens by enhancing immune tolerance mechanisms. The main aim of immunotherapy is the generation of allergen nonresponsive or tolerant T cells in sensitized patients and downregulation of predominant T cell- and IgE-mediated immune responses. During allergen-specific immunotherapy, T regulatory cells are generated, which secrete IL-10 and induce allergen-specific B cells for the production of IgG4 antibodies. These mechanisms induce tolerance to antigens that reduces allergic symptoms. Although current knowledge highlights the role of T regulatory cell-mediated immunetolerance, definite mechanisms that lead to a successful clinical outcomes of allergen-specific immunotherapy still remains an open area of research.
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