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Review Article

Bridging the past and the future of virology: Surface plasmon resonance as a powerful tool to investigate virus/host interactions

, , &
Pages 238-260 | Received 07 Feb 2013, Accepted 15 Jul 2013, Published online: 23 Sep 2013
 

Abstract

Despite decades of antiviral drug research and development, viruses still remain a top global healthcare problem. Compared to eukaryotic cells, viruses are composed by a limited numbers of proteins that, nevertheless, set up multiple interactions with cellular components, allowing the virus to take control of the infected cell. Each virus/host interaction can be considered as a therapeutical target for new antiviral drugs but, unfortunately, the systematic study of a so huge number of interactions is time-consuming and expensive, calling for models overcoming these drawbacks. Surface plasmon resonance (SPR) is a label-free optical technique to study biomolecular interactions in real time by detecting reflected light from a prism-gold film interface. Launched 20 years ago, SPR has become a nearly irreplaceable technology for the study of biomolecular interactions. Accordingly, SPR is increasingly used in the field of virology, spanning from the study of biological interactions to the identification of putative antiviral drugs. From the literature available, SPR emerges as an ideal link between conventional biological experimentation and system biology studies functional to the identification of highly connected viral or host proteins that act as nodal points in virus life cycle and thus considerable as therapeutical targets for the development of innovative antiviral strategies.

Acknowledgements

Largeness of the topic precluded a complete citation of the literature. We apologize with those whose work is not mentioned herein.

Declaration of interest

No financial or personal interest to be disclosed. This work was supported by Istituto Superiore di Sanita’ (AIDS Grants # 40H.51) and by the Italian Ministry of University and Scientific Research (MIUR) to M.R.

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