Allergen-Independent Maternal Transmission of Asthma Susceptibility 1

Allergen-Independent Maternal Transmission of Asthma Susceptibility 1
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哮喘易感性与过敏原无关的母体传播 1

DOI:
--
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发表时间:
2003
影响因子:
4.4
通讯作者:
L. Kobzik
L. Kobzik
中科院分区:
医学2区
文献类型:
--
作者:
K. Hamada;Yasue Suzaki;A. Goldman;Y. Ning;Carroll;A. Palecanda;B. Coull;C. Hubeau;L. Kobzik

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母亲哮喘是儿童哮喘发展的危险因素,但机制尚不清楚。哮喘母鼠(致敏并反复暴露于OVA Ag)的后代在故意不理想的OVA致敏和暴露方案(对正常后代影响不大)后表现出气道高反应性和过敏性肺部炎症。当对ova过敏的母亲的后代暴露于一种不相关的过敏原酪蛋白时,也得到了类似的结果,表明母体效应与过敏原无关,不会通过ova特异性抗体转移。用中和抗IL-4抗体或减少母体过敏原暴露的预处理消除了母体效应,显示了IL-4的关键机制作用,并表明避免过敏原的额外益处。
Maternal asthma is a risk factor for development of asthma in children, but mechanisms remain unclear. Offspring of asthmatic mother mice (sensitized and repeatedly exposed to OVA Ag) showed airway hyperresponsiveness and allergic pulmonary inflammation after an intentionally suboptimal OVA sensitization and exposure protocol that had little effect on normal offspring. Similar results were obtained when offspring of OVA-allergic mothers were exposed to an unrelated allergen, casein, indicating that the maternal effect is allergen independent and not transferred by OVA-specific Abs. Premating treatment with neutralizing anti-IL-4 Ab or reduction of maternal allergen exposure abrogated the maternal effect, showing a critical mechanistic role for IL-4 and suggesting an additional benefit of allergen avoidance.
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