Network-based strategies can help mono- and poly-pharmacology drug discovery: A systems biology view

H. Billur Engin, Attila Gursoy, Ruth Nussinov, Ozlem Keskin

Research output: Contribution to journalArticlepeer-review


The cellular network and its environment govern cell and organism behavior and are fundamental to the comprehension of function, misfunction and drug discovery. Over the last few years, drugs were observed to often bind to more than one target; thus, polypharmacology approaches can be advantageous, complementing the "one drug - one target" strategy. Targeting drug discovery from the systems biology standpoint can help in studies of network effects of mono- and poly-pharmacology. In this mini-review, we provide an overview of the usefulness of network description and tools for mono- and poly-pharmacology, and the ways through which protein interactions can help single- and multi-target drug discovery efforts. We further describe how, when combined with experimental data, modeled structural networks which can predict which proteins interact and provide the structures of their interfaces, can model the cellular pathways, and suggest which specific pathways are likely to be affected. Such structural networks may facilitate structure-based drug design; forecast side effects of drugs; and suggest how the effects of drug binding can propagate in multi-molecular complexes and pathways.

Original languageEnglish
Pages (from-to)1201-1207
Number of pages7
JournalCurrent Pharmaceutical Design
Issue number8
StatePublished - 2014


  • Modeling
  • Network pharmacology
  • Poly-pharmacology
  • Protein-protein interaction inhibitors
  • Protein-protein interfaces
  • Systems biology


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