HIV-1 therapy with monoclonal antibody 3BNC117 elicits host immune responses against HIV-1.

HIV-1 therapy with monoclonal antibody 3BNC117 elicits host immune responses against HIV-1.
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DOI:
10.1126/science.aaf0972
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发表时间:
2016-05-20
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
Nussenzweig MC
Nussenzweig MC
中科院分区:
其他
文献类型:
--
作者:
Schoofs T;Klein F;Braunschweig M;Kreider EF;Feldmann A;Nogueira L;Oliveira T;Lorenzi JC;Parrish EH;Learn GH;West AP Jr;Bjorkman PJ;Schlesinger SJ;Seaman MS;Czartoski J;McElrath MJ;Pfeifer N;Hahn BH;Caskey M;Nussenzweig MC

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3BNC117 是一种广泛且有效的抗 HIV-1 中和抗体,靶向病毒包膜刺突上的 CD4 结合位点。当被动给药时,这种抗体可以预防动物模型中的感染并抑制 HIV-1 感染者的病毒血症。在这里,我们报告单次注射 3BNC117 的 HIV-1 免疫疗法会影响病毒血症受试者的宿主抗体反应。与六个月内中和活性几乎没有变化的未治疗对照相比,3BNC117输注显着改善了几乎所有研究参与者对异源2级病毒的中和反应。我们得出的结论是,3BNC117 介导的免疫疗法增强了宿主对 HIV-1 的体液免疫。
3BNC117 is a broad and potent anti-HIV-1 neutralizing antibody that targets the CD4 binding site on the viral envelope spike. When administered passively, this antibody can prevent infection in animal models and suppress viremia in HIV-1-infected individuals. Here we report that HIV-1 immunotherapy with a single injection of 3BNC117 impacts host antibody responses in viremic subjects. In comparison to untreated controls that showed little change in their neutralizing activity over a six-month period, 3BNC117 infusion significantly improved neutralizing responses to heterologous tier 2 viruses in nearly all study participants. We conclude that 3BNC117-mediated immunotherapy enhances host humoral immunity to HIV-1.
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影响因子: --
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