Host–parasite interactions in rodent nematode infections
- 1 June 2003
- journal article
- review article
- Published by Cambridge University Press (CUP) in Journal of Helminthology
- Vol. 77 (2) , 125-131
- https://doi.org/10.1079/joh2003172
Abstract
In rodents, Trichinella spiralis and Nippostrongylus brasiliensis infect the small intestine and Trichuris muris resides in the colon. The intestinal host response in these animals is characterized by changes in mucosal architecture and inflammation and is associated with worm expulsion. The requirement of T cell-mediated host response in worm expulsion has been demonstrated over many years. Subsequent studies have shown that Th2-type, but not Th1-type, responses mediate resistance to the nematodes. Investigations using neutralizing antibodies and genetically manipulated mice have characterized the contribution of individual Th2-type cytokines in not only worm expulsion, but also specific cellular changes that occur in the mucosa, such as alterations in epithelial phenotype and smooth muscle. There is also increasing appreciation of the contribution of non-bone marrow-derived cells in innate and adaptive host responses in these models.Keywords
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