Dataset Information


Global transcriptional response of porcine intestinal epithelial cell lines to Salmonella enterica serovar Typhimurium and Choleraesuis: IPEC-J2 infected with S. typhimurium

ABSTRACT: The GeneChip Porcine Genome Array was used to identify the transcriptional response upon either Salmonella typhimurium (ST) or Salmonella choleraesuis (SC) infection in two porcine epithelial cell lines (IPEC-J2, from jejunum and IPI-2I, from ileum) during 2 and 4 hours post infection. The objectives in this study were first, to identify the different response between the epithelial cell lines from different gut regions; second, to study how the Salmonella serotypes used could elicit a different host response; and third, to determine the effect of the time-points on the differentially gene expression. Epithelial cells were seeded into 6-well tissue culture plates and grown to confluence in 5% CO2 at 37ºC. Monolayers were infected for 1 h. with Salmonella typhimurium or Salmonella choleraesuis serotypes (MOI 1:10) or incubated with media alone (Control cells). Extracellular bacteria were removed, and cultures were further incubated during 2 and 4 h. in the presence of 50 µg/ml of the non-cell-permeant antibiotic gentamicin to kill remaining extracellular bacteria. The experiment was developed by triplicate in order to ensure a proper robustness in the microarray statistical analysis. An indirect ELISA was used to confirm cell activation by mean of IL8 detection in cell culture medium. After each time-point, cells were lysed and RNA extracted.

ORGANISM(S): Sus scrofa  

SUBMITTER: Juan J Garrido   Cristina Arce  Diego Llanes  Rocio Bautista  Rocío Bautista  M G Claros  María Ranírez-Boo 

PROVIDER: E-GEOD-23059 | ArrayExpress | 2013-12-20



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