Transcriptomics

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Molecular Characterization of In Vivo Adjuvant Activity in Ferrets Vaccinated against Influenza Virus


ABSTRACT: The 2009 H1N1 influenza pandemic has prompted a significant need for the development of efficient, single-dose, adjuvanted vaccines. Here we investigated the adjuvant potential of CpG oligodeoxynucleotide (ODN) when used with a human seasonal influenza virus vaccine in ferrets. We found that the CpG ODNadjuvanted vaccine effectively increased antibody production and activated type I interferon (IFN) responses compared to vaccine alone. Based on these findings, pegylated IFN- 2b (PEG-IFN) was also evaluated as an adjuvant in comparison to CpG ODN and complete Freund’s adjuvant (CFA). Our results showed that all three vaccines with adjuvant added prevented seasonal human A/Brisbane/59/2007 (H1N1) virus replication more effectively than did vaccine alone. Gene expression profiles indicated that, as well as upregulating IFN-stimulated genes (ISGs), CpG ODN enhanced B-cell activation and increased Toll-like receptor 4 (TLR4) and IFN regulatory factor 4 (IRF4) expression, whereas PEG-IFN augmented adaptive immunity by inducing major histocompatibility complex (MHC) transcription and Ras signaling. In contrast, the use of CFA as an adjuvant induced limited ISG expression but increased the transcription of MHC, cell adhesion molecules, and B-cell activation markers. Taken together, our results better characterize the specific molecular pathways leading to adjuvant activity in different adjuvant-mediated influenza virus vaccinations. In this experiment, 3 ferrets in each group immunizied with different adjuvanted human seasonal vaccines of CFA plus vaccine, CpG plus vaccine, pegylated IFN-alpha plus vaccine and vaccine alone (PBS plus vaccine) and 4 ferrets from control group (PBS only) were anesthetized at day 1 post vaccination. The whole blodd was collected for RNA extraction and purification on the scheduled date. The subsequent gene expression analysis was performed with Affymetrix GeneChip Canine Genome 2.0 Array.

ORGANISM(S): Mustela putorius furo  

SUBMITTER: Longsi Ran   David J Kelvin 

PROVIDER: E-GEOD-27248 | ArrayExpress | 2011-02-11

SECONDARY ACCESSION(S): GSE27248PRJNA137197

REPOSITORIES: GEO, ArrayExpress

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Molecular characterization of in vivo adjuvant activity in ferrets vaccinated against influenza virus.

Fang Yuan Y   Rowe Thomas T   Leon Alberto J AJ   Banner David D   Danesh Ali A   Xu Luoling L   Ran Longsi L   Bosinger Steven E SE   Guan Yi Y   Chen Honglin H   Cameron Cheryl C CC   Cameron Mark J MJ   Kelvin David J DJ  

Journal of virology 20100609 17


The 2009 H1N1 influenza pandemic has prompted a significant need for the development of efficient, single-dose, adjuvanted vaccines. Here we investigated the adjuvant potential of CpG oligodeoxynucleotide (ODN) when used with a human seasonal influenza virus vaccine in ferrets. We found that the CpG ODN-adjuvanted vaccine effectively increased antibody production and activated type I interferon (IFN) responses compared to vaccine alone. Based on these findings, pegylated IFN-alpha2b (PEG-IFN) wa  ...[more]

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