Cellular scent of influenza virus infection.


Volatile organic compounds (VOCs) emanating from humans have the potential to revolutionize non-invasive diagnostics. Yet, little is known about how these compounds are generated by complex biological systems, and even less is known about how these compounds are reflective of a particular physiological state. In this proof-of-concept study, we examined VOCs produced directly at the cellular level from B lymphoblastoid cells upon infection with three live influenza virus subtypes: H9N2 (avian), H6N2 (avian), and H1N1 (human). Using a single cell line helped to alleviate some of the complexity and variability when studying VOC production by an entire organism, and it allowed us to discern marked differences in VOC production upon infection of the cells. The patterns of VOCs produced in response to infection were unique for each virus subtype, while several other non-specific VOCs were produced after infections with all three strains. Also, there was a specific time course of VOC release post infection. Among emitted VOCs, production of esters and other oxygenated compounds was particularly notable, and these may be attributed to increased oxidative stress resulting from infection. Elucidating VOC signatures that result from the host cells response to infection may yield an avenue for non-invasive diagnostics and therapy of influenza and other viral infections.

DOI: 10.1002/cbic.201300695
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@article{Aksenov2014CellularSO, title={Cellular scent of influenza virus infection.}, author={Alexander A. Aksenov and Christian Sandrock and Weixiang Zhao and Shankar Sankaran and Michael Schivo and Richart W Harper and Carol J. Cardona and Zheng S. Xing and Cristina E. Davis}, journal={Chembiochem : a European journal of chemical biology}, year={2014}, volume={15 7}, pages={1040-8} }