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The Strathprints institutional repository is a digital archive of University of Strathclyde research outputs.

Strathprints serves world leading Open Access research by the University of Strathclyde, including research by the Strathclyde Institute of Pharmacy and Biomedical Sciences (SIPBS), where research centres such as the Industrial Biotechnology Innovation Centre (IBioIC), the Cancer Research UK Formulation Unit, SeaBioTech and the Centre for Biophotonics are based.

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The role of IL-4R alpha signalling during toxoplasma gondii infection

Mokgethi, T. and Nickdel, M.B. and Henriquez, F.L. and Roberts, F. and Brombacher, F. and Roberts, Craig and Alexander, J. (2008) The role of IL-4R alpha signalling during toxoplasma gondii infection. Immunology, 125 (s1). p. 110. ISSN 0019-2805

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Abstract

The protective immune response against Toxoplasma gondii is widely recognised as being type-1 mediated. Nevertheless, the overproduction of type-1 cytokines can induce severe pathology. The extent to which Th2 cytokines can modulate the disease protective versus disease exacerbating effects of type-1 cytokines remains to be resolved. We have therefore, compared the disease induced by T. gondii cysts in IL-4)/), IL-4Ra)/), and wild-type BALB/c mice, a mouse strain normally resistant to this disease. Increased mortality and increased lung pathology were observed in the absence of IL-4 and signalling via IL-4Ra and splenocyte type 1 cytokine and NO production was increased during early infection (day 12). IL-4 can modulate type-1 inflammatory responses by counter-regulating the effects of IFN-c on CD4+ T cells and/or macrophages.