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- W2013903972 abstract "Next-generation sequencing (NGS) of antibody variable regions has emerged as a powerful tool in systems immunology by providing quantitative molecular information on polyclonal humoral immune responses. Reproducible and robust information on antibody repertoires is valuable for basic and applied immunology studies: thus, it is essential to establish the reliability of antibody NGS data.We isolated RNA from antibody-secreting cells (ASCs) from either 1 mouse or a pool of 9 immunized mice in order to simulate both normal and high diversity populations. Next, we prepared three technical replicates of antibody libraries by RT-PCR from each diversity scenario, which were sequenced using the Illumina MiSeq platform resulting in >106 250 bp paired-end reads per replicate. We then assessed the robustness of antibody repertoire data based on clonal identification defined by amino acid sequence of either full-length VDJ region or the complementarity determining region 3 (CDR3). Leveraging modeling approaches adapted from mathematical ecology, we found that in either diversity scenario both CDR3 and VDJ detection nears completeness indicating deep coverage of ASC repertoires. Additionally, we defined reliability thresholds for accurate quantification and ranking of CDR3s and VDJs. Importantly, we show that both factors-(i) replicate sequencing and (ii) sequencing depth-are crucial for robust CDR3 and VDJ detection and ranking.In summary, we established widely applicable experimental and computational guidelines for robust antibody NGS and analysis, which will help advance systems immunology studies related to the quantitative profiling of antibody responses following infection and vaccination." @default.
- W2013903972 created "2016-06-24" @default.
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- W2013903972 date "2014-10-16" @default.
- W2013903972 modified "2023-10-06" @default.
- W2013903972 title "Quantitative assessment of the robustness of next-generation sequencing of antibody variable gene repertoires from immunized mice" @default.
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- W2013903972 doi "https://doi.org/10.1186/s12865-014-0040-5" @default.
- W2013903972 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/4233042" @default.
- W2013903972 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/25318652" @default.
- W2013903972 hasPublicationYear "2014" @default.
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