{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,8,7]],"date-time":"2024-08-07T22:40:08Z","timestamp":1723070408406},"reference-count":32,"publisher":"American Society of Tropical Medicine and Hygiene","issue":"1","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2016,7,6]]},"abstract":"<jats:p>Direct observation of <jats:italic>Leishmania<\/jats:italic> parasites in tissue aspirates has shown low sensitivity for the detection of canine visceral leishmaniasis (VL). Therefore in the last quarter century immunoenzymatic tests have been developed to improve diagnosis. The purpose of this study was to develop a fast recombinant K28 antigen, naked-eye qualitative enzyme-linked immunosorbent assay (VL Ql-ELISA) and a quantitative version (VL Qt-ELISA), and to display it in a kit format, whose cutoff value (0.156) was selected as the most adequate one to differentiate reactive from nonreactive samples. Considering 167 cases and 300 controls, sensitivity was 91% for both assays and specificity was 100% and 98.7% in Ql-ELISA and Qt-ELISA, respectively. Positive predictive values were 100% and 97.4% for Ql-ELISA and Qt-ELISA, respectively, and negative predictive values were 95.2% for both ELISAs. Reagent stability, reliability studies, including periodic repetitions and retest of samples, cutoff selection, and comparison of rK28 ELISAs with rK39 immunochromatographic test, were the international criteria that supported the quality in both kits. The performance of both ELISA kits in this work confirmed their validity and emphasized their usefulness for low-to-medium complexity laboratories.<\/jats:p>","DOI":"10.4269\/ajtmh.13-0768","type":"journal-article","created":{"date-parts":[[2016,5,10]],"date-time":"2016-05-10T03:05:26Z","timestamp":1462849526000},"page":"92-98","source":"Crossref","is-referenced-by-count":14,"title":["An rK28-Based Immunoenzymatic Assay for the Diagnosis of Canine Visceral Leishmaniasis in Latin America"],"prefix":"10.4269","volume":"95","author":[{"given":"Marta Alicia","family":"Lauricella","sequence":"first","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cristina Graciela","family":"Maidana","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Victoria Fragueiro","family":"Frias","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Carlo M.","family":"Romagosa","sequence":"additional","affiliation":[{"name":"Secretar\u00eda de Calidad de Vida, Municipalidad de Posadas, Misiones, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vanesa","family":"Negri","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ruben","family":"Benedetti","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Angel J.","family":"Sinagra","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Concepcion","family":"Luna","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lilian","family":"Tartaglino","sequence":"additional","affiliation":[{"name":"Secretar\u00eda de Calidad de Vida, Municipalidad de Posadas, Misiones, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Susana","family":"Laucella","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Steven G.","family":"Reed","sequence":"additional","affiliation":[{"name":"Infectious Disease Research Institute, Seattle, Washington."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Adelina R.","family":"Riarte","sequence":"additional","affiliation":[{"name":"Instituto Nacional, de Parasitolog\u00eda \u201cDr. Mario Fatala Chaben,\u201d ANLIS, Buenos Aires, Argentina."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2795","reference":[{"key":"ref1","series-title":"Epidemiolog\u00eda y Control de la Leishmaniasis en las Am\u00e9ricas, por Pa\u00eds o Territorio","first-page":"1","author":"Arias","year":"1996"},{"key":"ref2","series-title":"Medicina (Buenos Aires)","first-page":"104","article-title":"Leishmaniasis visceral en la Argentina. 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