Automatic pathway building in biological association networks

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• 作者：Anton Yuryev (1)
  Zufar Mulyukov (1)
  Ekaterina Kotelnikova (1)
  Sergei Maslov (1)
  Sergei Egorov (1)
  Alexander Nikitin (1)
  Nikolai Daraselia (1)
  Ilya Mazo (1)
  
• 刊名：BMC Bioinformatics
• 出版年：2006
• 出版时间：December 2006
• 年：2006
• 卷：7
• 期：1
• 全文大小：1349KB
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• 作者单位：Anton Yuryev (1)
  Zufar Mulyukov (1)
  Ekaterina Kotelnikova (1)
  Sergei Maslov (1)
  Sergei Egorov (1)
  Alexander Nikitin (1)
  Nikolai Daraselia (1)
  Ilya Mazo (1)
  
  1. Ariadne Genomics Inc, 9700 Great Seneca Hwy, Suite 113, Rockville, MD, 20850, USA
  
• ISSN：1471-2105

文摘

Background Scientific literature is a source of the most reliable and comprehensive knowledge about molecular interaction networks. Formalization of this knowledge is necessary for computational analysis and is achieved by automatic fact extraction using various text-mining algorithms. Most of these techniques suffer from high false positive rates and redundancy of the extracted information. The extracted facts form a large network with no pathways defined. Results We describe the methodology for automatic curation of Biological Association Networks (BANs) derived by a natural language processing technology called Medscan. The curated data is used for automatic pathway reconstruction. The algorithm for the reconstruction of signaling pathways is also described and validated by comparison with manually curated pathways and tissue-specific gene expression profiles. Conclusion Biological Association Networks extracted by MedScan technology contain sufficient information for constructing thousands of mammalian signaling pathways for multiple tissues. The automatically curated MedScan data is adequate for automatic generation of good quality signaling networks. The automatically generated Regulome pathways and manually curated pathways used for their validation are available free in the ResNetCore database from Ariadne Genomics, Inc. [1]. The pathways can be viewed and analyzed through the use of a free demo version of PathwayStudio software. The Medscan technology is also available for evaluation using the free demo version of PathwayStudio software.