Unknown,Transcriptomics,Genomics,Proteomics

Dataset Information

Transcription profiling of mouse fibroblast cells infected with adenoviral vector or mock infected

ABSTRACT: The innate immune response to 1st generation adenoviral vectors was ascertained through high level infection of primary cells from a inbred mouse strain, replete with an intact and functioning TLR system. Experiment Overall Design: Quiescent murine C57/Bl6 fibroblasts were Ad (E1-E3-LacZ at MOI=300) or Mock infected. Sixteen hrs post-infection, RNA was harvested, transcribe to cDNA and bitotin-labeled, and hybridized to Mu11k A and B arrays.

ORGANISM(S): Mus musculus

SUBMITTER: Zachary Conrad Hartman

PROVIDER: E-GEOD-3172 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Publications

Adenoviral infection induces a multi-faceted innate cellular immune response that is mediated by the toll-like receptor pathway in A549 cells.

Hartman Zachary C ZC Black Esther P EP Amalfitano Andrea A

Virology 20061005 2

Adenovirus vectors are known to induce certain genes and impact innate response networks, but a broad understanding of this process and its mechanisms is currently lacking. For this reason, we chose to investigate and characterize Ad innate immunity using homogeneous, primary MEF cells replete with all the elements of the pathogen-sensing Toll-Like Receptor (TLR) pathway. By using an array-based approach to maximally define transcriptome changes induced upon Ad vector infection, we discovered th ...[more]

PMID: 17027060

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Project description:A first generation Affymetrix GeneChipÂ® Porcine genome array was used to profile the gene expression in porcine mesenteric lymph nodes over a time course of infection with S. Typhimurium, including the acute (8 hours post inoculation (hpi), 24 hpi, 48 hpi) and chronic (21 days post-inoculation (dpi)) stages of infection. Our objectives were to 1) identify and examine the stereotypical gene expression response within host MLN to S. Typhimurium infection, 2) characterize global host responses by revealing the specific features of the hostâs innate immunity pathways, and 3) explore if and how S. Typhimurium may escape the host immune response and develop into a carrier state. Our study has attempted to investigate the features of host gene expression profiling during S. Typhimurium infection at the acute and chronic infection stages and to explore the mechanism by which S. Typhimurium can escape from the host immune response and develop a carrier state in the host. In conclusion, by using the Affymetrix porcine GeneChip, 848 differentially expressed genes were identified in porcine MLN during infection and several specific features of host response were revealed by gene cluster and pathway analysis. Our data are the first report to investigate global host responses to S. Typhimurium in porcine MLN, and this new study provides data applicable for studying enteric salmonellosis of pigs, as well as humans. Experiment Overall Design: Fifteen piglets from Salmonella spp.-free sows were weaned at 10 days (d) of age, shipped to the National Animal Disease Center, Ames, IA and raised in isolation facilities. To confirm that all piglets were free of Salmonella spp. prior to challenge, bacteriological cultures were performed on rectal swabs twice. Seven week old pigs were randomly divided into 2 groups, 3 non-infected pigs and 12 infected pigs. Three non-infected control pigs were necropsied 2 days prior to experimental infection. On day 0, pigs in the infected groups were intranasally challenged with 1 billion CFU of Salmonella enterica serovar Typhimurium. Three infected pigs were necropsied at 8 hours post-inoculation (hpi), 24 hpi, 48 hpi and 21 days post-inoculation (dpi). Tissue samples from the mesenteric lymph nodes (MLN) were collected and immediately frozen in liquid nitrogen for RNA isolation.

Dataset Information

Transcription profiling of mouse fibroblast cells infected with adenoviral vector or mock infected

Publications

Adenoviral infection induces a multi-faceted innate cellular immune response that is mediated by the toll-like receptor pathway in A549 cells.

Similar Datasets

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