Evidence map›Paper›PMID 28827189›Full record

ArticleJournal of immunological methods2017

Prediction of antibody structural epitopes via random peptide library screening and next generation sequencing.

Kelly N Ibsen, Patrick S Daugherty

Abstract read
In one paragraph

Article in Journal of immunological methods, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
1.5field-weighted citation impact, top 18% of its field
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

7 citing papers in PubMed, 15 citations in OpenAlex.

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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

2 authors at 1 institution in 1 country.

Kelly N IbsenDepartment of Chemical Engineering, University of California Santa Barbara, CA 93106, USA. Electronic address: kibsen@umail.ucsb.edu.
Patrick S DaughertyDepartment of Chemical Engineering, University of California Santa Barbara, CA 93106, USA.
University of California, Santa Barbara · US

Funding

Antibody Reprtoire Characterization in Celiac DiseaseR01AI092204 · NIAID · UNIVERSITY OF CALIFORNIA SANTA BARBARA · PI DAUGHERTY, PATRICK S · 2011 to 2015
$1.5M
NIAID NIH HHS R01 AI092204
6 · The paper itself

Abstract

Next generation sequencing (NGS) is widely applied in immunological research, but has yet to become common in antibody epitope mapping. A method utilizing a 12-mer random peptide library expressed in bacteria coupled with magnetic-based cell sorting and NGS correctly identified >75% of epitope residues on the antigens of two monoclonal antibodies (trastuzumab and bevacizumab). PepSurf, a web-based computational method designed for structural epitope mapping was utilized to compare peptides in libraries enriched for monoclonal antibody (mAb) binders to antigen surfaces (HER2 and VEGF-A). Compared to mimotopes recovered from Sanger sequencing of plated colonies from the same sorting protocol, motifs derived from sets of the NGS data improved epitope prediction as defined by sensitivity and precision, from 18% to 82% and 0.27 to 0.51 for trastuzumab and 47% to 76% and 0.19 to 0.27 for bevacizumab. Specificity was similar for Sanger and NGS, 99% and 97% for trastuzumab and 66% and 67% for bevacizumab. These results indicate that combining peptide library screening with NGS yields epitope motifs that can improve prediction of structural epitopes.

Indexed as

EpitopesHigh-Throughput Nucleotide SequencingPeptide LibraryAlgorithmsAmino Acid MotifsAntibodies, MonoclonalAntibody SpecificityAntineoplastic Agents, ImmunologicalBevacizumabBinding Sites, AntibodyComputational BiologyDatabases, GeneticEpitope MappingErb-b2 Receptor Tyrosine KinasesImmunomagnetic SeparationModels, ChemicalAntibodies, MonoclonalAntineoplastic Agents, ImmunologicalBevacizumabEpitopesERBB2 protein, humanErb-b2 Receptor Tyrosine KinasesPeptide LibraryTrastuzumabVascular Endothelial Growth Factor AVEGFA protein, humanEpitope mappingNext generation sequencingPepSurfRandom peptide display librariesStructural epitope

Identifiers

PMID28827189
PMCPMC5698135
OpenAlexW2747713083

What OpenQuestion holds

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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.