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  • Title: Gene expression study of two widely used pig intestinal epithelial cell lines: IPEC-J2 and IPI-2I.
    Author: Mariani V, Palermo S, Fiorentini S, Lanubile A, Giuffra E.
    Journal: Vet Immunol Immunopathol; 2009 Oct 15; 131(3-4):278-84. PubMed ID: 19446887.
    Abstract:
    The intestinal epithelial cells (IEC) play an important role in the immune system of swine, protecting against infectious and non-infectious environmental insults. The IEC participate in the innate immune response of the intestine through different mechanisms such as barrier function, mucus secretion, antibacterial peptide synthesis and participation in the cytokine/chemokine networks. Most of the current knowledge of intestinal cell functions has come from studies conducted on cell cultures generated from human cancers or from classical animal models. However, because the molecular and cellular elements of the immune system have been selected over evolutionary time in response to the species-specific environment, models of immune function based on mouse and human need to be applied cautiously in pig. Few models of swine small intestine epithelium exist and these are poorly characterised. In the present study we characterised the basal expression of epithelial and immune-related genes of two pig small intestine cell lines, IPEC-J2 and IPI-2I, under different culture conditions. These data represent essential background information for future studies on pig-intestinal pathogen interactions.
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