2009
DOI: 10.1093/bioinformatics/btp362
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A statistical framework for protein quantitation in bottom-up MS-based proteomics

Abstract: The software has been made available in the open-source proteomics platform DAnTE (http://omics.pnl.gov/software/).

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Cited by 161 publications
(210 citation statements)
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“…The peptides were grouped as individual genes (Table S2) (Step 9). The gene-grouped peptide intensity data were imported into DAnTE-R for statistical analysis [53,54] Table S6. (TIF) Figure S6 Subject variance for each of 81 proteins, calculated using only the two most abundant peptides.…”
Section: Discussionmentioning
confidence: 99%
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“…The peptides were grouped as individual genes (Table S2) (Step 9). The gene-grouped peptide intensity data were imported into DAnTE-R for statistical analysis [53,54] Table S6. (TIF) Figure S6 Subject variance for each of 81 proteins, calculated using only the two most abundant peptides.…”
Section: Discussionmentioning
confidence: 99%
“…Fortunately, statistical approaches have been developed to address this problem and are available in the open source proteomics platform DAnTE (http://omics.pnnl.gov/software/) [54]. As demonstrated by this study, when DAnTE is applied to multiple replicates of a pooled sample, quantification at the protein level is highly reproducible (CV,5% for most of the proteins analyzed).…”
Section: Limitations Of Quantitative Label-free Lc-ms/msmentioning
confidence: 97%
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“…Several statistical methods accommodate missing data and have been applied to MS data including accelerated failure time models (Tekwe et al, 2012), two-part models (Taylor and Pollard, 2009) and mixture models (Karpievitch et al, 2009;Taylor et al, 2013). The assumptions about the missing value mechanisms differ among these methods and as a consequence, missing values are modeled in different manners.…”
Section: Introductionmentioning
confidence: 99%
“…These models jointly test for a difference in the proportion of missing values and a difference in the means of the continuous components (Lachenbruch, 2001). Mixture models combine elements from survival analysis and two-part models by modeling missing values as a combination of censored values and the absence of a compound represented as a point-mass at 0 (Karpievitch et al, 2009;Taylor et al, 2013). These methods have only been used for single biospecimen analyses and few methods suitable for multivariate analysis of data with missing values have been developed.…”
Section: Introductionmentioning
confidence: 99%