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| Título: | Enhanced missing proteins detection in NCI60 cell lines using an integrative search engine approach |
Autor: | Guruceaga, Elizabeth; Marcilla, Miguel CSIC ORCID; Marín-Vicente, Consuelo CSIC; Casal, J. Ignacio CSIC ORCID ; Corrales, Fernando J. CSIC ORCID ; Segura, Víctor | Palabras clave: | C-HPP Missing proteins NCI60 CCLE Integration of search engines Peptide detectability |
Fecha de publicación: | 29-sep-2017 | Editor: | American Chemical Society | Citación: | J. Proteome Res. (2017) | Resumen: | The Human Proteome Project (HPP) aims deciphering the complete map of the human proteome. In the last few years significant efforts of the HPP teams have been dedicated to the experimental detection of the missing proteins, which lack reliable mass spectrometry evidences of their existence. In this endeavor, an in depth analysis of shotgun experiments might represent a valuable resource to select a biological matrix in which design validation experiments. In this work we used all the proteomic experiments from the NCI60 cell lines and applied an integrative approach based on the results obtained from Comet, Mascot, OMSSA and X!Tandem. This workflow benefits from the complementarity of these search engines to increase the proteome coverage. Five missing proteins C-HPP guidelines compliant were identified although further validation is needed. Moreover, 165 missing proteins were detected with only one unique peptide and their functional analysis supported their participation in cellular pathways as was also proposed in other studies. Finally, we performed a combined analysis of the gene expression levels and the proteomic identifications from the common cell lines between the NCI60 and the CCLE project to suggest alternatives for further validation of missing protein observations. | Descripción: | 45 p.-11 fig.-6 tab. Guruceaga, Elizabeth et al. | Versión del editor: | http://dx.doi.org/10.1021/acs.jproteome.7b00388 | URI: | http://hdl.handle.net/10261/155995 | DOI: | 10.1021/acs.jproteome.7b00388 | ISSN: | 1535-3893 | E-ISSN: | 1535-3907 |
| Aparece en las colecciones: | (CIB) Artículos |
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| jproteome.2017.pdf | Postprint | 5,89 MB | Adobe PDF |  Visualizar/Abrir |
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