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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 113, No. 3, 2018, pp. 197-201
Bioline Code: oc18023
Full paper language: English
Document type: Short Communication
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 113, No. 3, 2018, pp. 197-201

 en Potential application of rLc36 protein for diagnosis of canine visceral leishmaniasis
Nogueira, Camila Tita; Cistia, Mayara Lúcia Del; Urbaczek, Ana Carolina; Jusi, Márcia MG; Velásquez, Angela Maria Arenas; Machado, Rosângela Zacarias; Ferreira, Henrique; Henrique-Silva, Flávio; Langoni, Hélio; Costa, Paulo Inácio da & Graminha, Márcia AS


Visceral leishmaniasis (VL) is fatal if left untreated. Infected dogs are important reservoirs of the disease, and thus specific identification of infected animals is very important. Several diagnostic tests have been developed for canine VL (CVL); however, these tests show varied specificity and sensitivity. The present study describes the recombinant protein rLc36, expressed by Leishmania infantum, as potential antigen for more sensitive and specific diagnosis of CVL based on an immunoenzymatic assay. The concentration of 1.0 μg/mL of rLc36 enabled differentiation of positive and negative sera and showed a sensitivity of 85% and specificity of 71% (with 95% confidence), with an accuracy of 76%.

canine visceral leishmaniasis; immunodiagnosis; recombinant protein

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