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Immunodiagnosis of human and canine visceral leishmaniasis using recombinant Leishmania infantum Prohibitin protein and a synthetic peptide containing its conformational B-cell epitope

Rodrigues, Marcella R. ; Santos, Lucas M.O. ; Miyazaki, Carolina K. ; Martins, Vivian T. ; Ludolf, Fernanda R. ; Kursancew, Amanda C. ; Ramos, Fernanda F. ; Dias, Daniel S. ; Oliveira, Jamil S. ; Vieira, Paula M.A. ; Roatt, Bruno M. ; Machado de Ávila, Ricardo A. ; Gonçalves, Denise U. ; Menezes-Souza, Daniel ; Coelho, Eduardo A.F. ; Duarte, Mariana C.

Journal of immunological methods, 2019-11, Vol.474, p.112641-112641, Article 112641 [Periódico revisado por pares]

Netherlands: Elsevier B.V

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Título:
Immunodiagnosis of human and canine visceral leishmaniasis using recombinant Leishmania infantum Prohibitin protein and a synthetic peptide containing its conformational B-cell epitope
Autor: Rodrigues, Marcella R. ; Santos, Lucas M.O. ; Miyazaki, Carolina K. ; Martins, Vivian T. ; Ludolf, Fernanda R. ; Kursancew, Amanda C. ; Ramos, Fernanda F. ; Dias, Daniel S. ; Oliveira, Jamil S. ; Vieira, Paula M.A. ; Roatt, Bruno M. ; Machado de Ávila, Ricardo A. ; Gonçalves, Denise U. ; Menezes-Souza, Daniel ; Coelho, Eduardo A.F. ; Duarte, Mariana C.
Assuntos: Animals ; Antigens, Protozoan - immunology ; Case-Control Studies ; Dog Diseases - blood ; Dog Diseases - diagnosis ; Dog Diseases - immunology ; Dogs ; Enzyme-Linked Immunosorbent Assay - veterinary ; Epitopes, B-Lymphocyte ; Humans ; Leishmania donovani - immunology ; Leishmania infantum - immunology ; Leishmaniasis ; Leishmaniasis, Visceral - blood ; Leishmaniasis, Visceral - diagnosis ; Leishmaniasis, Visceral - immunology ; Leishmaniasis, Visceral - veterinary ; Predictive Value of Tests ; Prohibitin ; Recombinant protein ; Repressor Proteins - immunology ; Reproducibility of Results ; Serodiagnosis ; Serologic Tests - veterinary ; Synthetic peptide
É parte de: Journal of immunological methods, 2019-11, Vol.474, p.112641-112641, Article 112641
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Descrição: In the present study, Leishmania infantum's Prohibitin was cloned and, alongside a synthetic peptide, evaluated for the serodiagnosis of visceral and tegumentary leishmaniasis (CVL and TL, respectively) in dogs and humans. For TL diagnosis, this study analyzed serum samples from cutaneous (n = 20) or mucosal (n = 39) leishmaniasis patients, and from Chagas disease (CD) patients (n = 8) and non-infected patients (n = 45). For CVL diagnosis, serum samples from asymptomatic (n = 14), symptomatic (n = 71), non-infected (n = 116), and Leish-Tec®-vaccinated (n = 79) dogs were examined, as well as T. cruzi (n = 11) and Ehrlichia canis (n = 10) infected animals. An indirect ELISA method using rProhibitin showed diagnostic sensitivity and specificity values of 91.76% and 89.91%, respectively. L. infantum SLA showed 86.11% and 48.24% of specificity and sensitivity, respectively, for CVL serodiagnosis, and 98.31% and 84.91% sensitivity and specificity, respectively for TL diagnosis. L. braziliensis SLA showed 75.47% and 83.05% of specificity and sensitivity, respectively, for TL diagnosis. The synthetic peptide showed a better result in TL than in CVL diagnosis. In conclusion, preliminary results suggest that the detection of antibodies against the rProhibitin protein and the synthetic peptide improves the serodiagnosis of TL and CVL. •Proteins stage-specifically expressed in Leishmania parasites associated with virulence has potential use for diagnosis.•Recombinant proteins and synthetic peptides provides reproducibility of the tests.•Prohibitin protein and synthetic peptide increased the sensibility and specificity of immunoassays.
Editor: Netherlands: Elsevier B.V
Idioma: Inglês

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Immunodiagnosis of human and canine visceral leishmaniasis using recombinant Leishmania infantum Prohibitin protein and a synthetic peptide containing its conformational B-cell epitope

Netherlands: Elsevier B.V

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