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The Detection and Subtyping of Seasonal Influenza A H1N1 Isolates Using a Microarray

ABSTRACT: An influenza A microarray was used to type influenza A H1N1 specimens collected in Washington State and the results compared with identification by both culture and real time RT PCR. The microarray was more sensitive than conventional influenza testing. Cluster analysis of the microarray data discriminated specimens into distinct clades. Specimens from two pediatric decedents formed a unique clade upon H1 analysis. Keywords: Comparative genome study; Influenza A strains; Subtype H1N1

ORGANISM(S): Influenza A virus

PROVIDER: GSE12226 | GEO | 2008/11/01

SECONDARY ACCESSION(S): PRJNA113683

REPOSITORIES: GEO

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The Detection and Subtyping of Seasonal Influenza A H1N1 Isolates Using a Microarray

Project description:An influenza A microarray was used to type influenza A H1N1 specimens collected in Washington State and the results compared with identification by both culture and real time RT PCR. The microarray was more sensitive than conventional influenza testing. Cluster analysis of the microarray data discriminated specimens into distinct clades. Specimens from two pediatric decedents formed a unique clade upon H1 analysis. Keywords: Comparative genome study; Influenza A strains; Subtype H1N1 23 influenza A H1N1 specimens collected in Washington State were subtyped by microarray and data was compared with identification by both culture and real time RT PCR.

2008-10-31 | E-GEOD-12226 | biostudies-arrayexpress

Differential microRNA expression profiles of mouse lungs infected with 2009 pandemic H1N1 influenza virus and seasonal H1N1 virus

2013-04-17 | GSE46087 | GEO

Differential microRNA expression profiles of mouse lungs infected with 2009 pandemic H1N1 influenza virus and seasonal H1N1 virus

Project description:To further understand the molecular pathogenesis of the 2009 pandemic H1N1 influenza virus infection, we profiled cellular miRNAs of lung tissue from BALB/c mice infected with influenza virus BJ501 and a mouse-adapted influenza virus A/Puerto Rico/8/34 (H1N1)(PR8) as a comparison. Five groups of mice were selected, and three of each group were used to profile the miRNA, two were in case for unqualified RNA extraction. Whole lungs from mice infected by BJ501 or PR8 were harvested on 2,5 days post infection (dpi), and compared with lung samples from 5 uninfected mice.

2013-04-17 | E-GEOD-46087 | biostudies-arrayexpress

H1N1 Influenza project

Project description:H1N1 Influenza project

| PRJNA70953 | ENA

Microarray Analysis of MicroRNA Expression in Peripheral Blood Mononuclear Cells of critically ill Patients with Influenza A (H1N1)

Project description:To determine whether differential expression of cellular microRNAs plays a role in the host response to Influenza A (H1N1) infection, we have employed the Agilent miRNA microarray (V3) as a discovery platform to identify microRNAs between the critically ill Patients with Influenza A (H1N1) and the healthy controls.

2012-12-28 | GSE24956 | GEO

Akt inhibitor MK2206 prevents influenza A(H1N1)pdm09 virus infection in vitro

Project description:The influenza A(H1N1)pdm09 virus caused a global flu pandemic in 2009 and contributes to seasonal epidemics. Different treatment and prevention options for influenza have been developed and applied with limited success. Here we report that an Akt inhibitor MK2206 possesses potent antiviral activity against influenza A(H1N1)pdm09 virus in vitro. We showed that MK2206 blocks the entry of different A(H1N1)pdm09 strains into cells. Moreover, MK2206 prevented A(H1N1)pdm09-mediated activation of cellular signaling pathways and the development of cellular immune responses. Importantly, A(H1N1)pdm09 virus was unable to develop resistance to MK2206. Thus, MK2206 is a potent anti-influenza A(H1N1)pdm09 agent.

2014-01-23 | GSE54293 | GEO

Gene expression profile of NPTr cells infected with swine H1N1/2009 influenza A virus

Project description:In order to identify the swine genes which play roles in the regulation of swine influenza A virus replication, the gene microarray was performed to explore the systematical host response to the swine H1N1/2009 influenza A virus infection in porcine cells.

2017-03-24 | GSE96952 | GEO

A Metagenomics Analysis of Pandemic 2009 H1N1 Infection in Patients in North America

Project description:The Virochip microarray (version 4.0) was used to detect viruses in patients from North America with unexplained influenza-like illness at the onset of the 2009 H1N1 pandemic.

2010-11-01 | GSE24034 | GEO

Gene expression analysis in children with complex seizures by influenza A (H1N1)pdm09 or rotavirus gastroenteritis

Project description:The differences of clinical characteristics in complex seizures induced by influenza A(H1N1)pdm09 and rotavirus gastroenteritis are well known, but the pathogenic mechanisms remain unclear. We analyzed the gene expression profiles in the peripheral whole blood cells isolated from pediatric patients using an Affymetrix oligonucleotide microarray. Results provide insights into the difference of the pathogenesis in the patients with complex seizures induced by influenza A(H1N1)pdm09 and rotavirus infections.

2013-09-05 | GSE50628 | GEO

Early CCL2 and CXCL10 chemokine expression correlates with lung pathology in Pandemic H1N1 Influenza A infection

Project description:Background: Pandemic H1N1 influenza A is a newly emerging strain of human influenza that is easily transmitted between people and has spread globally to over 116 countries. Human infection leads to symptoms ranging from mild to severe with lower respiratory complications observed in a small but significant number of infected individuals. Little is currently known about host immunity and Pandemic H1N1 influenza infections. Methods: We examined the pathogenic potential of the pandemic influenza A vaccine strain, A/California/07/2009 (H1N1), in ferrets, and characterized the host immune responses using microarray analysis. Gene expression profiles in lung tissue were compared with those from ferrets infected with A/Brisbane/59/2007. Results: Chemokines CCL2, CCL8, CXCL7 and CXCL10 along with the majority of ISGs were expressed early, correlated to lung pathology, and abruptly decreased expression in 5 days. Interestingly, the drop in innate immune gene expression was replaced by a significant increase in the expression of the adaptive immune genes for granzymes and immunoglobulins. Serum anti-pandemic influenza H1N1 antibodies were also observed on day 7, commensurate with the elimination of viral load. Conclusions: We propose that the innate phase of host immunity causes lung pathology and a delay or failure to effectively switch to the adaptive phase contributes to morbidity and mortality during severe human pandemic H1N1 influenza A infections. Keywords: influenza, immune response, cytokines, chemokines, lung infection, time course

2010-03-31 | GSE17079 | GEO

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