Generation of human neutralizing monoclonal antibodies against the 2009 pandemic H1N1 virus from peripheral blood memory B lymphocytes

Generation of human neutralizing monoclonal antibodies against the 2009 pandemic H1N1 virus from peripheral blood memory B lymphocytes
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利用外周血记忆 B 淋巴细胞生成针对 2009 年大流行 H1N1 病毒的人中和单克隆抗体

DOI:
10.1038/cmi.2013.25
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发表时间:
2013-08
影响因子:
24.1
通讯作者:
何维
何维
中科院分区:
医学1区
文献类型:
--
作者:
何维

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2009年H1N1流感大流行表明了全球健康威胁对人类的严重性。虽然大流行性H1N1疫苗已经迅速开发,被动血清疗法可能提供上级立即保护,防止儿童,老年人和免疫功能低下的患者在流感大流行期间感染。在这里,我们应用了一种新的策略的基础上EB病毒(EBV)的永生化外周血记忆B细胞筛选高病毒中和单克隆抗体(MAbs)与2009年大流行性H1N1疫苗PANFLU接种的个人。1.通过对来自三个选定疫苗接种者的13 090个永生化记忆B细胞克隆的大规模筛选,鉴定出7种具有针对2009年大流行H1N1病毒的高病毒中和能力和血凝抑制(HAI)活性的单克隆抗体。这些单克隆抗体可能对严重呼吸道综合征感染患者(特别是儿童、老年人和免疫缺陷个体)的被动血清疗法治疗具有重要的临床意义。我们成功地从EBV永生化外周血记忆B细胞产生高亲和力单克隆抗体的策略也可适用于其他感染性或自身免疫性疾病。
The 2009 H1N1 influenza pandemic demonstrated the significance of a global health threat to human beings. Although pandemic H1N1 vaccines have been rapidly developed, passive serotherapy may offer superior immediate protection against infections in children, the elderly and immune-compromised patients during an influenza pandemic. Here, we applied a novel strategy based on Epstein–Barr virus (EBV)-immortalized peripheral blood memory B cells to screen high viral neutralizing monoclonal antibodies (MAbs) from individuals vaccinated with the 2009 pandemic H1N1 vaccine PANFLU. 1. Through a massive screen of 13 090 immortalized memory B-cell clones from three selected vaccinees, seven MAbs were identified with both high viral neutralizing capacities and hemagglutination inhibition (HAI) activities against the 2009 pandemic H1N1 viruses. These MAbs may have important clinical implications for passive serotherapy treatments of infected patients with severe respiratory syndrome, especially children, the elderly and immunodeficient individuals. Our successful strategy for generating high-affinity MAbs from EBV-immortalized peripheral blood memory B cells may also be applicable to other infectious or autoimmune diseases.
DOI: 10.4049/jimmunol.0804233
发表时间: 2009-09-01
期刊: Journal of immunology (Baltimore, Md. : 1950)
影响因子: --
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发表时间: 1987-12
影响因子: 5.4
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发表时间: 2005-09-06
影响因子: 11.1
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