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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs. Strathprints provides access to thousands of Open Access research papers by University of Strathclyde researchers, including those from the School of Psychological Sciences & Health - but also papers by researchers based within the Faculties of Science, Engineering, Humanities & Social Sciences, and from the Strathclyde Business School.

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Interleukin-18 enhances a Th2 biased response and susceptibility to leishmania mexicana in BALB/c mice

Alexander, J. and Bryson, K.J. and Wei, X. (2008) Interleukin-18 enhances a Th2 biased response and susceptibility to leishmania mexicana in BALB/c mice. Microbes and Infection, 10 (7). pp. 834-839. ISSN 1286-4579

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Abstract

Interleukin-18 deficient mice on a BALB/c background display increased resistance to cutaneous infection with Leishmania mexicana, with reduced lesion progression and reduced parasite burdens compared with wild-type mice. Infected IL-18−/− mice had lower antigen specific IgG1 levels and total IgE levels and conversely higher antigen specific IgG2a levels than similarly infected wild-type mice. Splenocytes isolated from infected IL-18−/− mice produced significantly lower levels of antigen induced IL-4 and higher levels of IFN-γ than wild-type animals. Consequently IL-18 during L. mexicana infection of BALB/c mice promotes a Th2 biased response and thereby has a disease exacerbating role.