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Prevention and treatment of DNA vaccine encoding cockroach allergen Bla g 1 in a mouse model of allergic airway inflammation

机译:过敏性气道炎症小鼠模型中编码蟑螂过敏原Bla g 1的DNA疫苗的预防和治疗

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摘要

Exposure to cockroaches is one of the major contributing factors for asthma exacerbation among inner-city children (1-3) where infestations of the German cockroach are common (4-6). It was found using skin test that 26.1 percent of the US population is sensitized to the German cockroach (7). The primary German cockroach allergen, Bla g 1, was detectable in 63 percent of homes and 52 percent of childcare facilities in the United States (8, 9). Bla g 1 from German cockroach is cross-reactive with an American cockroach allergen, Per a 1 (10-12). Prominent characteristics of allergic airway inflammation (AAI) include reduced airflow, airway hyper-responsiveness, mast cell activation, influx of eosinophils into the lung, and hyperplasia of goblet cells with excessive mucus secretion (13, 14). These are associated with secretion of cytokines and chemokines that stimulate a Th2- and IgE-dominated response. Glucocorticoids are currently the most effective drugs for treating asthma. However, side-effects remain a significant problem (15).
机译:暴露于蟑螂是内城区儿童哮喘发作加剧的主要因素之一(1-3),其中德国蟑螂的侵扰很普遍(4-6)。通过皮肤测试发现,美国人口中有26.1%对德国蟑螂敏感(7)。在美国,有63%的家庭和52%的儿童保育设施可检测到德国主要的蟑螂过敏原Bla g 1(8、9)。来自德国蟑螂的Bla g 1与美国蟑螂过敏原Per a 1(10-12)有交叉反应。过敏性气道炎症(AAI)的突出特征包括气流减少,气道高反应性,肥大细胞活化,嗜酸性粒细胞流入肺部以及粘液分泌过多的杯状细胞增生(13、14)。这些与刺激Th2和IgE为主的反应的细胞因子和趋化因子的分泌有关。糖皮质激素是目前治疗哮喘最有效的药物。但是,副作用仍然是一个重大问题(15)。

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