Evidence map›Paper›PMID 23569282›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

Redesign of a cross-reactive antibody to dengue virus with broad-spectrum activity and increased in vivo potency.

Kannan Tharakaraman, Luke N Robinson, Andrew Hatas, Yi-Ling Chen, Liu Siyue, S Raguram, V Sasisekharan, Gerald N Wogan, Ram Sasisekharan

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

43 citing papers in PubMed.

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  14. Learned features of antibody-antigen binding affinity.Frontiers in molecular biosciences · 2023
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Kannan TharakaramanDepartment of Biological Engineering, Infectious Diseases Interdisciplinary Research Group, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.
Luke N Robinson
Andrew Hatas
Yi-Ling Chen
Liu Siyue
S Raguram
V Sasisekharan
Gerald N Wogan
Ram Sasisekharan

Funding

Structure-Function Relationship of GlycosaminoglycansR37GM057073 · NIGMS · MASSACHUSETTS INSTITUTE OF TECHNOLOGY · PI SASISEKHARAN, RAM · 2010 to 2019
$3.9M
NIGMS NIH HHS R37 GM057073NIGMS NIH HHS R37 GM057073-13
6 · The paper itself

Abstract

Affinity improvement of proteins, including antibodies, by computational chemistry broadly relies on physics-based energy functions coupled with refinement. However, achieving significant enhancement of binding affinity (>10-fold) remains a challenging exercise, particularly for cross-reactive antibodies. We describe here an empirical approach that captures key physicochemical features common to antigen-antibody interfaces to predict protein-protein interaction and mutations that confer increased affinity. We apply this approach to the design of affinity-enhancing mutations in 4E11, a potent cross-reactive neutralizing antibody to dengue virus (DV), without a crystal structure. Combination of predicted mutations led to a 450-fold improvement in affinity to serotype 4 of DV while preserving, or modestly increasing, affinity to serotypes 1-3 of DV. We show that increased affinity resulted in strong in vitro neutralizing activity to all four serotypes, and that the redesigned antibody has potent antiviral activity in a mouse model of DV challenge. Our findings demonstrate an empirical computational chemistry approach for improving protein-protein docking and engineering antibody affinity, which will help accelerate the development of clinically relevant antibodies.

Indexed as

AnimalsAntibodies, NeutralizingAntibodies, ViralAntibody AffinityBinding Sites, AntibodyCross ReactionsDengue VirusEnzyme-Linked Immunosorbent AssayEpitopesMiceModels, ImmunologicalProtein BindingProtein EngineeringReal-Time Polymerase Chain ReactionSurface Plasmon ResonanceAntibodies, NeutralizingAntibodies, ViralEpitopes

Identifiers

PMID23569282
PMCPMC3637786

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.