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Article Dans Une Revue Journal of Proteome Research Année : 2020

The functionally unannotated proteome of human male tissues: A shared resource to uncover new protein functions associated with reproductive biology

Yves Vandenbrouck
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Lydie Lane
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Résumé

In the context of the Human Proteome Project, we built an inventory of 412 functionally unannotated human proteins for which experimental evidence at the protein level exists (uPE1) and which are highly expressed in tissues involved in human male reproduction. We implemented a strategy combining literature mining, bioinformatics tools to collate annotation and experimental information from specific molecular public resources, and efficient visualization tools to put these unknown proteins into their biological context (protein complexes, tissue and subcellular location, expression pattern). The gathered knowledge allowed pinpointing five uPE1 for which a function has recently been proposed and which should be updated in protein knowledge bases. Furthermore, this bioinformatics strategy allowed to build new functional hypotheses for five other uPE1s in link with phenotypic traits that are specific to male reproductive function such as ciliogenesis/flagellum formation in germ cells (CCDC112 and TEX9), chromatin remodeling (C3orf62) and spermatozoon maturation (CCDC183). We also discussed the enigmatic case of MAGEB proteins, a poorly documented cancer/testis antigen subtype. Tools used and computational outputs produced during this study are freely accessible via ProteoRE (http://www.proteore.org), a Galaxy-based instance, for reuse purposes. We propose these five uPE1s should be investigated in priority by expert laboratories and hope that this inventory and shared resources will stimulate the interest of the community of reproductive biology.
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Dates et versions

hal-03003302 , version 1 (20-11-2020)

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Yves Vandenbrouck, Charles Pineau, Lydie Lane. The functionally unannotated proteome of human male tissues: A shared resource to uncover new protein functions associated with reproductive biology. Journal of Proteome Research, 2020, 19 (12), pp.4782-4794. ⟨10.1021/acs.jproteome.0c00516⟩. ⟨hal-03003302⟩
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