Article
Pathogenicity and protective immunogenicity of cysteine proteinase-deficient mutants of Leishmania mexicana in non-murine models.
Vaccine - 8 May 2006
Saravia Nancy Gore, Escorcia Blanca, Osorio Yaneth, Valderrama Liliana, Brooks Darren, Arteaga Lourdes, Coombs Graham, Mottram Jeremy, Travi Bruno Luis
Abstract excerpt
This study demonstrates that deletion of cysteine proteinase (CP) genes diminishes pathogenicity of Leishmania mexicana in non-murine experimental host models while preserving immunogenicity. Both cpb and cpa/cpb-deficient lines induced delayed disease onset, smaller lesions and lower parasite burden in hamsters. cpa/cpb-deficient L. mexicana grew more slowly as promastigotes and presented lower infectivity and...
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