Search Results - "Nasser, Julio"

Analytical performance of a multiplex Real-Time PCR assay using TaqMan probes for quantification of Trypanosoma cruzi satellite DNA in blood samples by Duffy, Tomas, Cura, Carolina I, Ramirez, Juan C, Abate, Teresa, Cayo, Nelly M, Parrado, Rudy, Bello, Zoraida Diaz, Velazquez, Elsa, Muñoz-Calderon, Arturo, Juiz, Natalia A, Basile, Joaquín, Garcia, Lineth, Riarte, Adelina, Nasser, Julio R, Ocampo, Susana B, Yadon, Zaida E, Torrico, Faustino, de Noya, Belkisyole Alarcón, Ribeiro, Isabela, Schijman, Alejandro G

“…The analytical validation of sensitive, accurate and standardized Real-Time PCR methods for Trypanosoma cruzi quantification is crucial to provide a reliable…”
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High performance of an enzyme linked immunosorbent assay for American tegumentary leishmaniasis diagnosis with Leishmania (Viannia) braziliensis amastigotes membrane crude antigens by Bracamonte, María E, Álvarez, Agustín Moya, Sosa, Andrea M, Hoyos, Carlos L, Lauthier, Juan J, Cajal, Silvana P, Juarez, Marisa, Uncos, Renato E, Sánchez-Valdéz, Fernando J, Acuña, Leonardo, Diosque, Patricio, Basombrío, Miguel A, Nasser, Julio R, Hashiguchi, Yoshihisa, Korenaga, Masataka, Barroso, Paola A, Marco, Jorge D

“…The diagnosis of American tegumentary leishmaniasis (ATL) still requires the design of more effective tools. Leishmania (Viannia) braziliensis is the causal…”
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Use of Aedes aegypti Oviposition Surveillance and a Geographic Information System for Planning Anti-Vectorial Measures by Abán Moreyra, Daira N., Castillo, Paola M., Escalada, Andrés, Mangudo, Carolina, Copa, Griselda N., Gleiser, Raquel M., Nasser, Julio R., Gil, José F.

“…Arboviruses transmitted by Aedes aegypti pose a threat to global public health. Because there are no vaccines or drugs available, the prevention of these…”
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Impact of intestinal parasites on microbiota and cobalamin gene sequences: a pilot study by Mejia, Rojelio, Damania, Ashish, Jeun, Rebecca, Bryan, Patricia E, Vargas, Paola, Juarez, Marisa, Cajal, Pamela S, Nasser, Julio, Krolewiecki, Alejandro, Lefoulon, Emilie, Long, Courtney, Drake, Evan, Cimino, Rubén O, Slatko, Barton

“…Approximately 30% of children worldwide are infected with gastrointestinal parasites. Depending on the species, parasites can disrupt intestinal bacterial…”
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Identification of human intestinal parasites affecting an asymptomatic peri-urban Argentinian population using multi-parallel quantitative real-time polymerase chain reaction by Cimino, Rubén O, Jeun, Rebecca, Juarez, Marisa, Cajal, Pamela S, Vargas, Paola, Echazú, Adriana, Bryan, Patricia E, Nasser, Julio, Krolewiecki, Alejandro, Mejia, Rojelio

“…In resource-limited countries, stool microscopy is the diagnostic test of choice for intestinal parasites (soil-transmitted helminths and/or intestinal…”
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Sand fly typing: a simple and morphologically-supported method based on polymorphism of 18S rRNA gene in a Leishmaniasis endemic area of Argentina by Almazán, María Cristina, Copa, Griselda Noemí, Lauthier, Juan José, Gil, José Fernando, López Quiroga, Inés, Hoyos, Carlos Lorenzo, Díaz Fernández, Melisa Evangelina, Nasser, Julio Rubén, Korenaga, Masataka, Marco, Jorge Diego, Barroso, Paola Andrea

“…•The method allowed the molecular identification of sand flies from a leishmaniasis endemic area in Argentina.•Specimens that could not be determined…”
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Parasitological and molecular search for Leishmania natural infection in phlebotomine sand flies in peri-urban and rural sites of an Argentinean area endemic for tegumentary leishmaniasis by Almazán, María Cristina, Copa, Griselda Noemí, Gil, José Fernando, López Quiroga, Inés, Díaz Fernández, Melisa Evangelina, Uncos, Alejandro, Hoyos, Carlos Lorenzo, Nasser, Julio Rubén, Barroso, Paola Andrea, Marco, Jorge Diego

“…•This is the latest study on natural infection in the most endemic area of Tegumentary Leishmaniasis in Argentina.•Leishmania spp. natural infection was sought…”
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Polymorphism-specific PCR enhances the diagnostic performance of American tegumentary leishmaniasis and allows the rapid identification of Leishmania species from Argentina by Marco, Jorge D, Barroso, Paola A, Mimori, Tatsuyuki, Locatelli, Fabricio M, Tomatani, Ayako, Mora, María C, Cajal, S Pamela, Nasser, Julio R, Parada, Luis A, Taniguchi, Taketoshi, Korenaga, Masataka, Basombrío, Miguel A, Hashiguchi, Yoshihisa

“…The diagnosis of the leishmaniases poses enormous challenges in Argentina. The Polymorphism-Specific PCR (PS-PCR) designed and validated in our laboratories…”
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Scope and limitations of a multiplex conventional PCR for the diagnosis of S. stercoralis and hookworms by Fleitas, Pedro E., Vargas, Paola A., Caro, Nicolás, Almazan, M. Cristina, Echazú, Adriana, Juárez, Marisa, Cajal, Pamela, Krolewiecki, Alejandro J., Nasser, Julio R., Cimino, Rubén O.

“…Describe the diagnostic characteristics of a conventional multiplex PCR for the diagnosis of S. stercoralis, N. americanus and Ancylostomas spp. Fecal samples…”
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TcTASV Antigens of Trypanosoma cruzi : Utility for Diagnosis and High Accuracy as Biomarkers of Treatment Efficacy in Pediatric Patients by Floridia-Yapur, Noelia, Monje-Rumi, Mercedes, Ragone, Paula, Lauthier, Juan J, Tomasini, Nicolás, Alberti D'Amato, Anahí, Diosque, Patricio, Cimino, Rubén, Gil, José F, Sanchez, Daniel O, Nasser, Julio R, Tekiel, Valeria

“…The discovery and characterization of novel parasite antigens to improve the diagnosis of by serological methods and for accurate and rapid follow-up of…”
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Human Polymorphisms in Placentally Expressed Genes and Their Association With Susceptibility to Congenital Trypanosoma cruzi Infection by Juiz, Natalia A., Cayo, Nelly M., Burgos, Marianela, Salvo, Miriam E., Nasser, Julio R., Búa, Jacqueline, Longhi, Silvia A., Schijman, Alejandro G.

“…Background. It is currently unclear why only a proportion of children born to Trypanosoma cruzi–infected mothers acquire the infection. We have examined the…”
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Tegumentary leishmaniasis and sand flies in a border area between Argentina and Bolivia by Copa, Griselda N, Almazán, María C, Aramayo, Lorena V, Krolewiecki, Alejandro J, Cajal, Silvana P, Juarez, Marisa, Lauthier, Juan J, Korenaga, Masataka, Barroso, Paola, Nasser, Julio R, Marco, Jorge D, Gil, José F

“…Abstract Background Some sand flies are of medical importance because they are vectors of Leishmania parasites that are responsible for leishmaniasis. The aim…”
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Vegetation Cover and Microspatial Distribution of Sand Flies (Diptera: Psychodidae) in an Endemic Locality for Cutaneous Leishmaniasis in Northern Argentina by Chanampa, Mariana del M., Gleiser, Raquel M., Hoyos, Carlos L., Copa, Griselda N., Mangudo, Carolina, Nasser, Julio R., Gil, José F.

“…The sand fly fauna in Hipólito Yrigoyen, Argentina, a locality where cutaneous leishmaniasis cases occur, was surveyed with zones of higher abundance of sand…”
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Diptera (Insecta: Pterygota) larvae as predators of Strongyloides stercoralis causing false negative stool cultures by Fleitas, Pedro E., Acosta, Ximena G., Vargas, Paola A., Caro, Nicolas, Krolewiecki, Alejandro J., Nasser, Julio R., Cimino, Rubén O.

“…A stool sample of a five-year-old boy with suspected STH infection arrived at the Laboratory of the Instituto de Investigaciones de Enfermedades Tropicales…”
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The isolation and molecular characterization of Leishmania spp. from patients with American tegumentary leishmaniasis in northwest Argentina by Locatelli, Fabricio M., Cajal, S. Pamela, Barroso, Paola A., Lauthier, Juan J., Mora, María C., Juarez, Marisa, Kato, Hirotomo, Nasser, Julio R., Hashiguchi, Yoshihisa, Korenaga, Masataka, Marco, Jorge D.

“…•Sixty-six ATL positive patients from northwest Argentina were included in this study.•Stocks were isolated in vitro and analyzed through nested PCR and…”
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Molecular Identification of Leishmania spp. DNA from Archived Giemsa-Stained Slides of Patients from Salta, Argentina by Almazán, María Cristina, Hoyos, Carlos Lorenzo, Krolewiecki, Alejandro Javier, Cajal, Silvana Pamela, Copa, Griselda Noemí, Fleitas, Pedro Emanuel, Barroso, Paola Andrea, Marco, Jorge Diego, Nasser, Julio Rubén, Gil, José Fernando

“…Cutaneous leishmaniasis is endemic in Salta province, which belongs to the northwest of Argentina. spp. DNA from Giemsa-stained slides of up to 12 years in…”
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Multilocus sequence typing approach for a broader range of species of Leishmania genus: describing parasite diversity in Argentina by Marco, Jorge D, Barroso, Paola A, Locatelli, Fabricio M, Cajal, S Pamela, Hoyos, Carlos L, Nevot, M Cecilia, Lauthier, Juan J, Tomasini, Nicolás, Juarez, Marisa, Estévez, J Octavio, Korenaga, Masataka, Nasser, Julio R, Hashiguchi, Yoshihisa, Ruybal, Paula

“…Leishmaniasis is a vector-borne protozoan infection affecting over 350 million people around the world. In Argentina cutaneous leishmaniasis is endemic in nine…”
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Spatial spread of dengue in a non-endemic tropical city in northern Argentina by Gil, José F., Palacios, Maximiliano, Krolewiecki, Alejandro J., Cortada, Pedro, Flores, Rosana, Jaime, Cesar, Arias, Luis, Villalpando, Carlos, Alberti DÁmato, Anahí M., Nasser, Julio R., Aparicio, Juan P.

“…Sharp reductions in the observed larval indexes had no apparent effect on the course of the epidemic. A city-wide final distribution of cases suggest that…”
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Epidemiology of American Tegumentary Leishmaniasis and Trypanosoma cruzi Infection in the Northwestern Argentina by Krolewiecki, Alejandro J., Nasser, Julio R., Gil, José F., Cimino, Rubén O., Torrejón, Irma, Cayo, Melina, Alberti D’Amato, Anahí M., Marco, Jorge D., Juarez, Marisa, Cajal, Silvana P., Hoyos, Carlos L., Diosque, Patricio

“…Background. Endemic areas of tegumentary leishmaniasis (TL) in Salta, Argentina, present some overlap zones with the geographical distribution of Chagas…”
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Performance of different Trypanosoma cruzi antigens in the diagnosis of Chagas disease in patients with American cutaneous leishmaniasis from a co‐endemic region in Argentina by Vega Benedetti, A.F., Cimino, Rubén O., Cajal, Pamela S., Juarez, Marisa Del Valle, Villalpando, Carlos A., Gil, José F., Marcipar, Iván S., Krolewiecki, Alejandro J., Nasser, Julio R.

“…Objective To determine the ability of recombinant antigens to detect cases of infection with Trypanosoma cruzi among cases of infection with Leishmania spp. by…”
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