Mucin biopolymers as broad-spectrum antiviral agents.

Mucin biopolymers as broad-spectrum antiviral agents.
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DOI:
10.1021/bm3001292
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发表时间:
2012-06-11
期刊:
影响因子:
6.2
通讯作者:
Ribbeck, Katharina
Ribbeck, Katharina
中科院分区:
化学2区
文献类型:
--
作者:
Lieleg, Oliver;Lieleg, Corinna;Bloom, Jesse;Buck, Christopher B.;Ribbeck, Katharina

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粘液是一种多孔的生物聚合物基质,覆盖在人体所有湿上皮细胞上,是抵御许多致病菌和病毒的第一道防线。然而,在某些条件下,病毒能够穿透这种感染屏障,这损害了天然粘液的保护功能。在这里,我们发现分离的猪胃粘蛋白聚合物,天然粘液的关键结构成分,可以保护底层细胞层免受小病毒的感染,如人乳头瘤病毒(HPV),默克尔细胞多瘤病毒(MCV)或甲型流感病毒株。对粘蛋白屏障内病毒移动性的单颗粒分析表明,这种屏蔽效应部分是基于病毒在生物聚合物基质内扩散的延迟。我们的研究结果表明,纯化的粘蛋白可以作为一种广泛的抗病毒补充剂,用于个人卫生产品、婴儿配方奶粉或润滑剂中,以支持我们的免疫系统。
Mucus is a porous biopolymer matrix that coats all wet epithelia in the human body and serves as the first line of defense against many pathogenic bacteria and viruses. However, under certain conditions viruses are able to penetrate this infection barrier, which compromises the protective function of native mucus. Here, we find that isolated porcine gastric mucin polymers, key structural components of native mucus, can protect an underlying cell layer from infection by small viruses such as human papillomavirus (HPV), Merkel cell polyomavirus (MCV), or a strain of influenza A virus. Single particle analysis of virus mobility inside the mucin barrier reveals that this shielding effect is in part based on a retardation of virus diffusion inside the biopolymer matrix. Our findings suggest that purified mucins may be used as a broad-range antiviral supplement to personal hygiene products, baby formula or lubricants to support our immune system.
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