Journal
BIOINFORMATICS
Volume 26, Issue 16, Pages 2042-2050Publisher
OXFORD UNIV PRESS
DOI: 10.1093/bioinformatics/btq310
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Funding
- EU [FP6-518230]
- Hungarian National Science Fund [OTKA K69105, K75334, K68669]
- Hungarian National Office for Research and Technology
- EEA
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Motivation: Signaling pathways control a large variety of cellular processes. However, currently, even within the same database signaling pathways are often curated at different levels of detail. This makes comparative and cross-talk analyses difficult. Results: We present SignaLink, a database containing eight major signaling pathways from Caenorhabditis elegans, Drosophila melanogaster and humans. Based on 170 review and similar to 800 research articles, we have compiled pathways with semi-automatic searches and uniform, well-documented curation rules. We found that in humans any two of the eight pathways can cross-talk. We quantified the possible tissue-and cancer-specific activity of cross-talks and found pathway-specific expression profiles. In addition, we identified 327 proteins relevant for drug target discovery. Conclusions: We provide a novel resource for comparative and cross-talk analyses of signaling pathways. The identified multi-pathway and tissue-specific cross-talks contribute to the understanding of the signaling complexity in health and disease, and underscore its importance in network-based drug target selection.
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