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Anattachment glycoprotein nanoparticle elicits broadly neutralizing antibodies and protects against lethal Nipah virus infection

npj Vaccines. 2024-08; 
Dan Zhou , Rao Cheng , Yanfeng Yao , Gan Zhang , Xin Li , Bingjie Wang , Yong Wang , Feiyang Yu , Shangyu Yang , Hang Liu , Ge Gao , Yun Peng , Miaoyu Chen , Zengqin Deng , Haiyan Zhao
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Proteins, Expression, Isolation and Analysis The supernatants were filtered through a 0.45 μm filter, and the recombinant proteins were purified by Ni-Charged Resin (GenScript). Get A Quote

摘要

Nipah virus (NiV) is a zoonotic emergent paramyxovirus that can cause severe encephalitis and respiratory infections in humans, with a high fatality rate ranging from 40% to 75%. Currently, there are no approved human vaccines or antiviral drugs against NiV. Here, we designed a ferritin-based self-assembling nanoparticle displaying the NiV G head domain on the surface (NiV G-ferritin) and assessed immune responses elicited by the soluble NiV G head domain (NiV sG) or NiV G-ferritin. Immunization with NiV G-ferritin or NiV sG conferred complete protection against lethal NiV challenge without detection of viral RNA in Syrian golden hamsters. Compared to NiV sG, NiV G-ferritin induced significantly faster, broader... More

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