Performance of Leishmania braziliensis enolase protein for the serodiagnosis of canine and human visceral leishmaniosis

Mariana Costa Duarte, Daniela Pagliara Lage, Vívian Tamietti Martins, Lourena Emanuele Costa, Beatriz Cristina Silveira Salles, Ana Maria Ravena Severino Carvalho, Thaís Teodoro de Oliveira Santos, Daniel Silva Dias, Patrícia Aparecida Fernandes Ribeiro, Miguel Angel Chávez-Fumagalli, Ricardo Andrez Machado-de-Ávila, Bruno Mendes Roatt, Daniel Menezes-Souza, Danielle Ferreira de Magalhães-Soares, Eduardo Antonio Ferraz Coelho

Producción científica: Contribución a una revistaArtículorevisión exhaustiva

9 Citas (Scopus)

Resumen

In the present study, Leishmania braziliensis enolase was cloned and the recombinant protein (rEnolase) was evaluated for the serodiagnosis of canine and human visceral leishmaniosis (VL). For the canine VL diagnosis, this study examined serum samples of Leishmania infantum-infected dogs, from non-infected animals living in endemic or non-endemic areas of leishmaniosis, as well as those from Leish-Tec®-vaccinated dogs and Trypanosoma cruzi or Ehrlichia canis experimentally infected animals. For the human VL diagnosis, this study analyzed serum samples from VL patients, from non-infected subjects living in endemic or non-endemic areas of leishmaniosis, as well as those from T. cruzi-infected patients. In the results, an indirect ELISA method using rEnolase showed diagnostic sensitivity and specificity values of 100% and 98.57%, respectively, for canine VL serodiagnosis, and of 100% and 97.87%, respectively, for human VL diagnosis. These results showed rEnolase with an improved diagnostic performance when compared to the recombinant A2 protein, the crude soluble Leishmania antigenic preparation, and the recombinant K39-based immunochromatographic test. In conclusion, preliminary results suggest that the detection of antibodies against rEnolase improves the serodiagnosis of human and canine visceral leishmaniosis.

Idioma originalInglés
Páginas (desde-hasta)77-81
Número de páginas5
PublicaciónVeterinary Parasitology
Volumen238
DOI
EstadoPublicada - 30 abr. 2017
Publicado de forma externa

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