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Literature DB >> 16901590

The genetic immunization with paraflagellar rod protein-2 fused to the HSP70 confers protection against late Trypanosoma cruzi infection.

María Morell¹, M Carmen Thomas, Trinidad Caballero, Carlos Alonso, Manuel C López.

Abstract

The immunological properties of the Trypanosoma cruzi paraflagellar rod proteins (PFR2 and PFR3) administered alone as well as fused to HSP70 have been analyzed in mice in the context of genetic immunization. The immunization of mice with the DNA vectors containing the PFRs gene or PFRs-HSP70 fused genes induced high level of IgG(2a) anti-PFRs. However, only the immunization with the PFR2-HSP70 fused genes triggers in spleen cells a statistically significant enhancement of expression of IL-12 and IFN-gamma and a decrease in the percentage of cells expressing IL-4. Likewise, the PFR2-HSP70 molecule elicits a statistically significant activation of PFR2 antigen specific CTLs. Immunization with the PFR2-HSP70 chimeric gene provided a protective response against a T. cruzi experimental infection.

Entities: Disease Gene Species

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Year: 2006 PMID： 16901590 DOI： 10.1016/j.vaccine.2006.07.006

Source DB: PubMed Journal: Vaccine ISSN： 0264-410X Impact factor: 3.641

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Cited

11 in total

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