Unknown,Transcriptomics,Genomics,Proteomics

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Host microRNA molecular signatures associated with human H1N1 and H3N2 influenza A viruses


ABSTRACT: In this study, we performed a miRNA global profiling in human lung epithelial cells (A549) infected by two different subtypes of human influenza A viruses (H1N1 and H3N2). A549 cells were either mock-infected or infected at a multiplicity of infection (MOI) of 1 with H1N1 or H3N2 viruses, and total RNAs were isolated at 24 hours post-infection (hpi). An MOI of 1 was performed to ensure that 100% of the cells were infected at 24 hpi, a strategy that we have previously validated and used for a transcriptional profiling study of infected cells (Josset et al. , 2010). The purified RNAs were subjected to reverse transcription using a pool of miRNA RT primers (Human pool A v2.1, Applied Biosystems) and subsequently amplified and quantified by RT-qPCR in a TaqMan array MicroRNA card (Applied biosystems).

ORGANISM(S): Homo sapiens

SUBMITTER: olivier Terrier 

PROVIDER: E-GEOD-42003 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Host microRNA molecular signatures associated with human H1N1 and H3N2 influenza A viruses reveal an unanticipated antiviral activity for miR-146a.

Terrier Olivier O   Textoris Julien J   Carron Coralie C   Marcel Virginie V   Bourdon Jean-Christophe JC   Rosa-Calatrava Manuel M  

The Journal of general virology 20130123 Pt 5


While post-transcriptional regulation of gene expression by microRNAs (miRNAs) has been shown to be involved in influenza virus replication cycle, only a few studies have further investigated this aspect in a human cellular model infected with human influenza viruses. In this study, we performed miRNA global profiling in human lung epithelial cells (A549) infected by two different subtypes of human influenza A viruses (H1N1 and H3N2). We identified a common miRNA signature in response to infecti  ...[more]

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