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In the present study, we have produced recombinant paraflagellar rod proteins (PFR) and report their use for successful vaccination of mice against Trypanosoma cruzi. This protection is associated with a highly polarized type 1 cytokine production profile. Additionally, we have analyzed the gene sequence encoding PFR-2 to determine the degree of conservation among seven highly diverse strains of T...
Successful vaccination of mice against an otherwise lethal challenge with the Peru strain of Trypanosoma cruzi necessitates the induction of a strong cell mediated immune response. Previously, immunization of mice with the paraflagellar rod proteins from Trypanosoma cruzi administered subcutaneously with Freund's adjuvant has been shown to elicit an Ag-specific cellular immune response that reduces...
We have examined the ability of mice to survive a lethal challenge with the parasitic hemoflagellate,Trypanosoma cruzi,following immunization with paraflagellar rod proteins (PAR) 1 and 2 either alone or in combination with the following adjuvants: Freund's, alum, QS-21, Ribi-700, or IL-12. PAR administered subcutaneously (sc) in combination with Freund's or alum provided significant protection, 100...
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