A computational framework for the analysis of peptide microarray antibody binding data with application to HIV vaccine profiling.
Détails
ID Serval
serval:BIB_C6FB59E34DC7
Type
Article: article d'un périodique ou d'un magazine.
Collection
Publications
Institution
Titre
A computational framework for the analysis of peptide microarray antibody binding data with application to HIV vaccine profiling.
Périodique
Journal of immunological methods
ISSN
1872-7905 (Electronic)
ISSN-L
0022-1759
Statut éditorial
Publié
Date de publication
30/09/2013
Peer-reviewed
Oui
Volume
395
Numéro
1-2
Pages
1-13
Langue
anglais
Notes
Publication types: Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't ; Research Support, U.S. Gov't, Non-P.H.S. ; Validation Study
Publication Status: ppublish
Publication Status: ppublish
Résumé
We present an integrated analytical method for analyzing peptide microarray antibody binding data, from normalization through subject-specific positivity calls and data integration and visualization. Current techniques for the normalization of such data sets do not account for non-specific binding activity. A novel normalization technique based on peptide sequence information quickly and effectively reduced systematic biases. We also employed a sliding mean window technique that borrows strength from peptides sharing similar sequences, resulting in reduced signal variability. A smoothed signal aided in the detection of weak antibody binding hotspots. A new principled FDR method of setting positivity thresholds struck a balance between sensitivity and specificity. In addition, we demonstrate the utility and importance of using baseline control measurements when making subject-specific positivity calls. Data sets from two human clinical trials of candidate HIV-1 vaccines were used to validate the effectiveness of our overall computational framework.
Mots-clé
AIDS Vaccines/immunology, Antibody Specificity, Clinical Trials as Topic/statistics & numerical data, Data Interpretation, Statistical, Epitope Mapping/statistics & numerical data, Epitopes/metabolism, HIV Antibodies/biosynthesis, HIV Antibodies/metabolism, HIV Antigens/metabolism, HIV-1/immunology, Humans, Immunologic Techniques/methods, Immunologic Techniques/statistics & numerical data, Protein Array Analysis/methods, Protein Array Analysis/statistics & numerical data, Protein Interaction Mapping/statistics & numerical data, ROC Curve, Antibodies, Normalization, Peptide microarrays, Positivity calls, Software, Visualization
Pubmed
Web of science
Création de la notice
28/02/2022 11:45
Dernière modification de la notice
23/03/2024 7:24