{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,16]],"date-time":"2025-10-16T20:11:38Z","timestamp":1760645498598,"version":"3.33.0"},"reference-count":30,"publisher":"Oxford University Press (OUP)","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2008,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Motivation: Independent component analysis (ICA) is a signal processing technique that can be utilized to recover independent signals from a set of their linear mixtures. We propose ICA for the analysis of signals obtained from large proteomics investigations such as clinical multi-subject studies based on MALDI-TOF MS profiling. The method is validated on simulated and experimental data for demonstrating its capability of correctly extracting protein profiles from MALDI-TOF mass spectra.<\/jats:p><jats:p>Results: The comparison on peak detection with an open-source and two commercial methods shows its superior reliability in reducing the false discovery rate of protein peak masses. Moreover, the integration of ICA and statistical tests for detecting the differences in peak intensities between experimental groups allows to identify protein peaks that could be indicators of a diseased state. This data-driven approach demonstrates to be a promising tool for biomarker-discovery studies based on MALDI-TOF MS technology.<\/jats:p><jats:p>Availability: The MATLAB implementation of the method described in the article and both simulated and experimental data are freely available at http:\/\/www.unich.it\/proteomica\/bioinf\/.<\/jats:p><jats:p>Contact: \u00a0a.urbani@unich.it<\/jats:p>","DOI":"10.1093\/bioinformatics\/btm533","type":"journal-article","created":{"date-parts":[[2007,11,15]],"date-time":"2007-11-15T01:25:39Z","timestamp":1195089939000},"page":"63-70","source":"Crossref","is-referenced-by-count":41,"title":["Independent component analysis for the extraction of reliable protein signal profiles from MALDI-TOF mass spectra"],"prefix":"10.1093","volume":"24","author":[{"given":"Dante","family":"Mantini","sequence":"first","affiliation":[{"name":"1 Istituto Tecnologie Avanzate Biomediche (ITAB), Fondazione \u2018G. d\u2019Annunzio\u2019, 2Dipartimento di Scienze Cliniche e Bioimmagini, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, 3Centro Studi sull\u2019Invecchiamento (Ce.S.I.), Fondazione \u2018G. d\u2019Annunzio\u2019, 4Dipartimento di Scienze Biomediche, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, Chieti-Pescara, 5Centro Europeo Ricerca sul Cervello (CERC), IRCCS-Fondazione S. Lucia, Roma, 6Dipartimento di Oncologia e Neuroscienze, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, Chieti-Pescara, 7Dipartimento di Medicina Interna, Universit\u00e0 di Roma \u2018Tor Vergata\u2019 and 8Ospedale Pediatrico Bambino Ges\u00f9 \u2013 IRCCS, Roma, Italy"},{"name":"1 Istituto Tecnologie Avanzate Biomediche (ITAB), Fondazione \u2018G. d\u2019Annunzio\u2019, 2Dipartimento di Scienze Cliniche e Bioimmagini, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, 3Centro Studi sull\u2019Invecchiamento (Ce.S.I.), Fondazione \u2018G. d\u2019Annunzio\u2019, 4Dipartimento di Scienze Biomediche, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, Chieti-Pescara, 5Centro Europeo Ricerca sul Cervello (CERC), IRCCS-Fondazione S. Lucia, Roma, 6Dipartimento di Oncologia e Neuroscienze, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, Chieti-Pescara, 7Dipartimento di Medicina Interna, Universit\u00e0 di Roma \u2018Tor Vergata\u2019 and 8Ospedale Pediatrico Bambino Ges\u00f9 \u2013 IRCCS, Roma, Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francesca","family":"Petrucci","sequence":"additional","affiliation":[{"name":"1 Istituto Tecnologie Avanzate Biomediche (ITAB), Fondazione \u2018G. d\u2019Annunzio\u2019, 2Dipartimento di Scienze Cliniche e Bioimmagini, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, 3Centro Studi sull\u2019Invecchiamento (Ce.S.I.), Fondazione \u2018G. d\u2019Annunzio\u2019, 4Dipartimento di Scienze Biomediche, Universit\u00e0 \u2018G. d\u2019Annunzio\u2019, Chieti-Pescara, 5Centro Europeo Ricerca sul Cervello (CERC), IRCCS-Fondazione S. 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