Interleukin-13 in the skin and interferon-gamma in the liver are key players in immune protection in human schistosomiasis.

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Dessein A, Kouriba B, Eboumbou C, Dessein H, Argiro L, Marquet S, Elwali NE, Rodrigues V, Li Y, Doumbo O, Chevillard C

Interleukin-13 in the skin and interferon-gamma in the liver are key players in immune protection in human schistosomiasis.

Immunol Rev. 2004 Oct;201:180-90.

PubMed ID
15361241 [ View in PubMed
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Abstract

Immunity against schistosomes includes anti-infection immunity, which is mainly active against invading larvae in the skin, and anti-disease immunity, which controls abnormal fibrosis in tissues invaded by schistosome eggs. Anti-infection immunity is T-helper 2 (Th2) cell-dependent and is controlled by a major genetic locus that is located near the Th2 cytokine locus on chromosome 5q31-q33. Mutations in the gene encoding interleukin (IL)-13 that decrease or increase IL-13 production account, at least in part, for that genetic control. In contrast, protection against hepatic fibrosis is dependent on interferon (IFN)-gamma and is controlled by a major genetic locus that is located on 6q23, near the gene encoding the IFN-gamma receptor beta chain. Mutations that modulate IFN-gamma gene transcription are associated with different susceptibility to disease. These data indicate that IL-13 in the skin and IFN-gamma in the liver are key players in protective immunity against schistosomes. These roles relate to the high anti-fibrogenic activities of IFN-gamma and to the unique ability of IL-13 in Th2 priming in the skin and in the mobilization of eosinophils in tissues. The coexistence of strong IFN-gamma and IL-13-mediated immune responses in the same subject may involve the compartmentalization of the anti-schistosome immune response between the skin and the liver.

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