iNOs expression is stimulated by the major surface protein (rWSP) from Wolbachia bacterial endosymbiont of Dirofilaria immitis following subcutaneous injection in mice |
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| Authors: | Morchón R Bazzocchi C López-Belmonte J Martín-Pacho J R Kramer L H Grandi G Simón F |
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| Institution: | Laboratorio de Parasitologia, Universidad de Salamanca, Salamanca, Spain. |
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| Abstract: | The bacterial endosymbiont Wolbachia of several species of filarial nematodes plays an important role in the inflammatory pathology of filariasis. Nitric oxide (NO) production has also been implicated in the immune response during filarial infections. Here we present data indicating that a recombinant Wolbachia surface protein (rWSP) induces iNOs mRNA expression and NO production, as well as IFN-gamma and a Th1-type antibody response, in inoculated BALB/c mice. This effect is not observed when mice are inoculated with a recombinant heat shock protein from Wolbachia (GroEL). |
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