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Network approaches to drug discovery

Chandra, Nagasuma and Padiadpu, Jyothi (2012) Network approaches to drug discovery. In: EXPERT OPINION ON DRUG DISCOVERY, 8 (1). pp. 7-20.

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Official URL: http://dx.doi.org/10.1517/17460441.2013.741119


Introduction: Advances in genomics technologies are providing a very large amount of data on genome-wide gene expression profiles, protein molecules and their interactions with other macromolecules and metabolites. Molecular interaction networks provide a useful way to capture this complex data and comprehend it. Networks are beginning to be used in drug discovery, in many steps of the modern discovery pipeline, with large-scale molecular networks being particularly useful for the understanding of the molecular basis of the disease. Areas covered: The authors discuss network approaches used for drug target discovery and lead identification in the drug discovery pipeline. By reconstructing networks of targets, drugs and drug candidates as well as gene expression profiles under normal and disease conditions, the paper illustrates how it is possible to find relationships between different diseases, find biomarkers, explore drug repurposing and study emergence of drug resistance. Furthermore, the authors also look at networks which address particular important aspects such as off-target effects, combination-targets, mechanism of drug action and drug safety. Expert opinion: The network approach represents another paradigm shift in drug discovery science. A network approach provides a fresh perspective of understanding important proteins in the context of their cellular environments, providing a rational basis for deriving useful strategies in drug design. Besides drug target identification and inferring mechanism of action, networks enable us to address new ideas that could prove to be extremely useful for new drug discovery, such as drug repositioning, drug synergy, polypharmacology and personalized medicine.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to INFORMA HEALTHCARE, LONDON , ENGLAND
Keywords: biological networks;drug discovery;genome scale modeling;graph theory
Department/Centre: Division of Biological Sciences > Biochemistry
Date Deposited: 28 Jan 2013 07:36
Last Modified: 28 Jan 2013 07:36
URI: http://eprints.iisc.ac.in/id/eprint/45655

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