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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 

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Enhanced pro-inflammatory cytokine production in Galphai2-deficient mice on colitis prone and colitis resistant 129Sv genetic backgrounds.

Mice deficient in G-protein subunit alphai2 develop colitis closely resembling human ulcerative colitis when raised on 129SvEv background. When backcrossing the Galphai2-deficiency into a 129SvJBom genetic background, surprisingly, mice did not develop colitis. In vitro stimulation of splenocytes with formalin-killed Staphylococcus aureus resulted in significantly increased production of interleukin-1beta, tumor necrosis factor, and interleukin-12p40 in Galphai2(-/-) as compared to control mice. The enhanced production of pro-inflammatory cytokines was seen in colitis prone as well as in colitis resistant genetic background. A similar outcome was seen upon stimulation with toxic shock syndrome toxin-1, a T cell superantigen, except that Galphai2(-/-) colitis resistant 129SvJBom splenocytes did not show increased production of IL-12p40 as compared to their controls.[1]

References

  1. Enhanced pro-inflammatory cytokine production in Galphai2-deficient mice on colitis prone and colitis resistant 129Sv genetic backgrounds. Bjursten, M., Hultgren, O.H., Hultgren Hörnquist, E. Cell. Immunol. (2004) [Pubmed]
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