AlphaPeptStats: an open-source Python package for automated and scalable statistical analysis of mass spectrometry-based proteomics

Abstract Summary The widespread application of mass spectrometry (MS)-based proteomics in biomedical research increasingly requires robust, transparent, and streamlined solutions to extract statistically reliable insights. We have designed and implemented AlphaPeptStats, an inclusive Python package...

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Vydané v:Bioinformatics (Oxford, England) Ročník 39; číslo 8
Hlavní autori: Krismer, Elena, Bludau, Isabell, Strauss, Maximilian T, Mann, Matthias
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England Oxford University Press 01.08.2023
Predmet:
Algorithms
Applications Note
Mass Spectrometry - methods
Proteomics - methods
Search Engine
Software
ISSN:1367-4811, 1367-4803, 1367-4811
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Shrnutí:Abstract Summary The widespread application of mass spectrometry (MS)-based proteomics in biomedical research increasingly requires robust, transparent, and streamlined solutions to extract statistically reliable insights. We have designed and implemented AlphaPeptStats, an inclusive Python package with currently with broad functionalities for normalization, imputation, visualization, and statistical analysis of label-free proteomics data. It modularly builds on the established stack of Python scientific libraries and is accompanied by a rigorous testing framework with 98% test coverage. It imports the output of a range of popular search engines. Data can be filtered and normalized according to user specifications. At its heart, AlphaPeptStats provides a wide range of robust statistical algorithms such as t-tests, analysis of variance, principal component analysis, hierarchical clustering, and multiple covariate analysis—all in an automatable manner. Data visualization capabilities include heat maps, volcano plots, and scatter plots in publication-ready format. AlphaPeptStats advances proteomic research through its robust tools that enable researchers to manually or automatically explore complex datasets to identify interesting patterns and outliers. Availability and implementation AlphaPeptStats is implemented in Python and part of the AlphaPept framework. It is released under a permissive Apache license. The source code and one-click installers are freely available and on GitHub at https://github.com/MannLabs/alphapeptstats.
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ISSN:1367-4811
1367-4803
1367-4811
DOI:10.1093/bioinformatics/btad461