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Hepatitis A virus link to atopic disease

机译:甲型肝炎病毒与特应性疾病有关

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A topic diseases, including asthma, allergic rhinitis and atopic dermatitis, are caused by both environmental and genetic factors. Here we show that infection by hepatitis A virus (HAV) may protect individuals from atopy if they carry a particular variant of the gene that encodes TIM-1 (also known as HAVcr-1) ― the cell-surface receptor used by HAV to infect human cells. Exposure to HAV is associated with poor hygiene, large family size and attendance at day-care centres, all factors that are also inversely associated with atopy. Our discovery indicates that interaction between HAV and TIM-1 genotype may contribute to the aetiology of atopic diseases, and provides a mechanism to account for the hygiene hypothesis.
机译:包括哮喘,过敏性鼻炎和特应性皮炎在内的主题疾病是由环境和遗传因素共同引起的。在这里,我们表明,如果甲型肝炎病毒(HAV)携带编码TIM-1的基因的特定变体(也称为HAVcr-1),即甲型肝炎病毒用于感染的细胞表面受体,则甲型肝炎病毒的感染可以保护个体免受特应性疾病的侵袭。人类细胞。接触HAV与卫生条件差,家庭规模庞大以及在日托中心出勤有关,所有这些因素也与特应性成反比。我们的发现表明,HAV和TIM-1基因型之间的相互作用可能有助于特应性疾病的病因,并为解释卫生假说提供了一种机制。

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