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In Vivo Delivery of a DNA-Encoded Monoclonal Antibody Protects Non-human Primates against Zika Virus.

Mol. Ther.. 2019; 
EsquivelRianne N,PatelAmi,KudchodkarSagar B,ParkDaniel H,StettlerKarin,BeltramelloMartina,AllenJeffrey W,MendozaJaness,RamosStephanie,ChoiHyeree,BorolePiyush,AsijaKanika,BahMamadou,ShaheenShareef,ChenJing,YanJian,DurhamAmy C,SmithTrevor R F,BroderickKate,GuibingaGhiabe,MuthumaniKar,CortiDavide,HumeauLaurent,WeinerDav
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Custom Vector Construction … A LALA variant, containing mutations at L234A and L235A to abrogate Fc gamma receptor engagement, was also created. 11 The optimized DNA transgenes were then synthesized de novo (GenScript, Piscataway, NJ, USA) and inserted into the DMAb expression vector … Get A Quote

摘要

Zika virus (ZIKV) infection is endemic to several world regions, and many others are at high risk for seasonal outbreaks. Synthetic DNA-encoded monoclonal antibody (DMAb) is an approach that enables in vivo delivery of highly potent mAbs to control infections. We engineered DMAb-ZK190, encoding the mAb ZK190 neutralizing antibody, which targets the ZIKV E protein DIII domain. In vivo-delivered DMAb-ZK190 achieved expression levels persisting >10 weeks in mice and >3 weeks in non-human primate (NHPs), which is protective against ZIKV infectious challenge. This study is the first demonstration of infectious disease control in NHPs following in vivo delivery of a nucleic acid-encoded antibody, supp... More

关键词

DMAb,DNA,DNA-encoded monoclonal antibody,Zika virus,antibody,immunoprophylaxis,infectious diseases,protection,rhesus mac