dc.contributor.author	Coombs, Kevin M
dc.date.accessioned	2013-10-01T20:04:30Z
dc.date.available	2013-10-01T20:04:30Z
dc.date.issued	2013-06-21
dc.date.updated	2013-10-01T20:04:31Z
dc.description.abstract	Abstract Background Cells are exposed to multiple stressors that induce significant alterations in signaling pathways and in the cellular state. As obligate parasites, all viruses require host cell material and machinery for replication. Virus infection is a major stressor leading to numerous induced modifications. Previous gene array studies have measured infected cellular transcriptomes. More recently, mass spectrometry-based quantitative and comparative assays have been used to complement such studies by examining virus-induced alterations in the cellular proteome. Methods We used SILAC (stable isotope labeling with amino acids in cell culture), a non-biased quantitative proteomic labeling technique, combined with 2-D HPLC/mass spectrometry and reciprocal labeling to identify and measure relative quantitative differences in HeLa cell proteins in purified cytosolic and nuclear fractions after reovirus serotype 3 Dearing infection. Protein regulation was determined by z-score analysis of each protein’s label distribution. Results A total of 2856 cellular proteins were identified in cytosolic fractions by 2 or more peptides at >99% confidence and 884 proteins were identified in nuclear fractions. Gene ontology analyses indicated up-regulated host proteins were associated with defense responses, immune responses, macromolecular binding, regulation of immune effector processes, and responses to virus, whereas down-regulated proteins were involved in cell death, macromolecular catabolic processes, and tissue development. Conclusions These analyses identified numerous host proteins significantly affected by reovirus T3D infection. These proteins map to numerous inflammatory and innate immune pathways, and provide the starting point for more detailed kinetic studies and delineation of virus-modulated host signaling pathways.
dc.description.version	Peer Reviewed
dc.identifier.citation	Virology Journal. 2013 Jun 21;10(1):202
dc.identifier.doi	http://dx.doi.org/10.1186/1743-422X-10-202
dc.identifier.uri	http://hdl.handle.net/1993/22220
dc.language.rfc3066	en
dc.rights	open access	en_US
dc.rights.holder	Kevin M Coombs et al.; licensee BioMed Central Ltd.
dc.title	HeLa cell response proteome alterations induced by mammalian reovirus T3D infection
dc.type	Journal Article

HeLa cell response proteome alterations induced by mammalian reovirus T3D infection

Files

Original bundle

License bundle

Collections