Broadly neutralizing antibodies against influenza viruses.

Broadly neutralizing antibodies against influenza viruses.
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DOI:
10.1016/j.antiviral.2013.03.021
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发表时间:
2013-06
期刊:
影响因子:
7.6
通讯作者:
Wilson, Ian A.
Wilson, Ian A.
中科院分区:
医学2区
文献类型:
--
作者:
Laursen, Nick S.;Wilson, Ian A.

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尽管有抗病毒药物和疫苗,但流感感染仍然是全球死亡的主要原因。接种疫苗通常会诱导有效的、但具有菌株特异性的抗体反应。随着病毒的不断进化,当一种新的毒株成为主导毒株时,几乎每年都必须接种新的疫苗。此外,在循环菌株中零星出现对神经氨酸酶抑制剂的耐药性,这表明迫切需要新的治疗药物。最近,已经描述了几种交叉反应抗体,它们中和了前所未有的流感病毒谱。这些广谱中和抗体一般针对主要流感表面糖蛋白血凝素(HA)上的保守功能区。对它们的中和广度和HA表位的表征可以刺激新的基于抗体的抗病毒药物和更广泛的流感疫苗的开发。
Despite available antivirals and vaccines, influenza infections continue to be a major cause of mortality worldwide. Vaccination generally induces an effective, but strain-specific antibody response. As the virus continually evolves, new vaccines have to be administered almost annually when a novel strain becomes dominant. Furthermore, the sporadic emerging resistance to neuraminidase inhibitors among circulating strains suggests an urgent need for new therapeutic agents. Recently, several cross-reactive antibodies have been described, which neutralize an unprecedented spectrum of influenza viruses. These broadly neutralizing antibodies generally target conserved functional regions on the major influenza surface glycoprotein hemagglutinin (HA). The characterization of their neutralization breadth and epitopes on HA could stimulate the development of new antibody-based antivirals and broader influenza vaccines.
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