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Home > Featured Articles > Synthetic antibodies with a human framework that protect mice from lethal Sudan Ebolavirus challenge > Synthetic antibodies with a human framework that protect mice from lethal Sudan Ebolavirus challenge

Synthetic antibodies with a human framework that protect mice from lethal Sudan Ebolavirus challenge [1]

The ebolaviruses cause severe and rapidly progressing hemorrhagic fever. There are five ebolavirus species; although much is known about Zaire ebolavirus (EBOV) and its neutralization by antibodies, little is known about Sudan ebolavirus (SUDV), which is emerging with increasing frequency. Here we describe monoclonal antibodies containing a human framework that potently inhibit infection by SUDV and protect mice from lethal challenge. The murine antibody 16F6, which binds the SUDV envelope glycoprotein (GP), served as the starting point for design. Sequence and structural alignment revealed similarities between 16F6 and YADS1, a synthetic antibody with a humanized scaffold. A focused phage library was constructed and screened to impart 16F6-like recognition properties onto the YADS1 scaffold. A panel of 17 antibodies were characterized and found to have a range of neutralization potentials against a pseudotype virus infection model. Neutralization correlated with GP binding as determined by ELISA.

Publication Date: 
20/08/2014
Gang Chen [2], Jayne F. Koellhoffer [3], Samantha E. Zak & et al [4]
ACS Chemical Biology [5]
1-11
Tags:
Ebola Virus Disease ( Ebola Hemorrhagic Fever) [6], Sudan [7], Africa [8]
Centre for Science and Environment
National Knowledge Commission Government of India

Technology Partners: MimirTech


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Source URL: http://admin.indiaenvironmentportal.org.in/feature-article/synthetic-antibodies-human-framework-protect-mice-lethal-sudan-ebolavirus-challenge

Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/synthetic-antibodies-human-framework-protect-mice-lethal-sudan-ebolavirus-challenge
[2] http://admin.indiaenvironmentportal.org.in/category/author/gang-chen
[3] http://admin.indiaenvironmentportal.org.in/category/author/jayne-f-koellhoffer
[4] http://admin.indiaenvironmentportal.org.in/category/author/samantha-e-zak-et-al
[5] http://admin.indiaenvironmentportal.org.in/category/journal/acs-chemical-biology
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/ebola-virus-disease-ebola-hemorrhagic-fever
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/sudan
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/africa