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Academic literature on the topic 'Trypanosomiase américaine'
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Journal articles on the topic "Trypanosomiase américaine"
Carlier, Yves, Carine Truyens, Joa˜o Carlos Pinto Dias, Alejandro Ostermayer Luquetti, Mireille Hontebeyrie, and Faustino Torrico. "Trypanosomiase américaine ou maladie de Chagas." EMC - Maladies infectieuses 1, no. 1 (January 2004): 1–21. http://dx.doi.org/10.1016/s1166-8598(02)00076-5.
Full textDissertations / Theses on the topic "Trypanosomiase américaine"
Brossas, Jean-Yves. "Nouvelles approches diagnostiques de la Trypanosomiase Américaine." Electronic Thesis or Diss., Sorbonne université, 2018. http://www.theses.fr/2018SORUS577.
Full textSix to eight people are affected by Chagas disease worldwide. Most of the patients are found in South America; however, more and more countries in the north are confronted with this infection that presents great difficulties both in the diagnosis and in the treatment. Despite significant technological advances in recent years, improved diagnosis is a major challenge in the management of patients with Chagas disease. In a first part, we present our studies about the development of a new diagnostic test based on the direct identification of parasitic antigens present in the serum. We analyzed the culture supernatant of cells infected with T.cruzi by mass spectrometry and we identified soluble parasitic proteins. Subsequently, we showed that Chagasin, a parasitic protease, which could be good serum marker of T. cruzi infection.In second part, we present a study that allow the interpretation and evaluation of a new immunoblot assay "Western Chagas IgG" (CE mark) by LDBIO Diagnostics (Lyon, France). This assay based on trypomastigote and amastigote extract manufactured by the laboratory of parasitology and mycology of Pitié Salpétrière hospital. These results show that this assay has sensitivity and specificity values close to 100% and is considered an excellent serological assay intended for confirmatory testing of a positive or equivocal result obtained through classic screening tests
Taibi, Ali. "Approche moléculaire de la maladie de Chagas : contribution à l'identification des antigènes de sécrétion de Trypanosoma cruzi ayant des potentialités diagnostiques et/ou vaccinantes." Lille 1, 1992. http://www.theses.fr/1992LIL10088.
Full textBarbu-Covantes, Corentin. "Dynamique de population et contrôle des vecteurs non domiciliés de la maladie de Chagas." Perpignan, 2009. http://www.theses.fr/2009PERP1000.
Full textChagas disease is a human and animal parasitic disease of Latin America. The parasite, Trypanosoma cruzi, is widespread in wild fauna populations and the disease is transmitted to man by insects of the Triatominae family, since men arrived in Latin America. Since the 1980‘s, large actions of prevention have been implemented to eliminate vectors inhabiting houses (domiciliated vectors). Although these initiatives have, overall, a resounding success, non-domiciliated vectors continue to spread the disease in several regions and generate significant prevalence in man. After assessing the presence and importance of different species of non-domiciliated vectors across the continent, a modeling approach was developed to refine our understanding of their populations and evaluate the potential of control methods. The confrontation between model and large data sets allowed the identification of key parameters of reproduction and migration of the vectors in the region of Yucatan, Mexico. These results were used to estimate several methods of control at the house level, the village level and then consider optimizing costs and benefits of vector control at a regional level in the Yucatan Peninsula. Although the proposed approach should be further strengthened, the results allow us to propose a general methodology for establishing priorities for research and treatment, relying heavily on the tools developed here: taxonomy mapping and optimization of vector control
Fernandez-Gomez, Rodolfo. "Trypanosoma cruzi : contribution à l'identification de substances chimiques et naturelles ayant une activité trypanocide." Lille 1, 1996. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1996/50376-1996-202.pdf.
Full textSalas, Clavijo Nadin Alejandra. "Contribution à l'optimisation et à la validation du traitement de la maladie de Chagas congénitale." Paris 6, 2012. http://www.theses.fr/2012PA066283.
Full textControl of Chagas disease is crucial because it crosses borders during people migration or may be transmitted during pregnancy. In Santa Cruz, Bolivia, vector transmission decreases with vector control. Although the prevalence of Chagas decreases in pregnant women, the incidence of congenital Chagas disease remains 0. 8% and the rate of vertical transmission of 3. 4%, requiring a program of screening and management of infected infants. We validated a rapid diagnostic test (Chagas Stat Pack ®) allowing early treatment of cases. In addition, we have identified some risk factors to better target interventions and diagnostic testing at birth. We also showed that the effectiveness of treatment could be confirmed by the disappearance of specific antibodies at the 8th month of life. Finally, we conducted a randomized clinical trial with benznidazole to simplify treatment (one month instead of two months usually), reduce the dose (7. 5 mg / kg once daily (instead of 10 mg / kg in 2 divided doses daily), without altering the efficacy or change the compliance. Treatment is well tolerated, less expensive and easier to apply
Guevara, Espinoza Angel. "Trypanosoma cruzi : utilisation d'outils moléculaires pour le diagnostic de l'infection chagasique humaine, le suivi du traitement et l'analyse de la réponse immune." Lille 1, 1995. http://www.theses.fr/1995LIL10104.
Full textCarlier, Yves. "Facteurs et mécanismes contribuant à l'infection congénitale à trypanosoma cruzi." Tours, 2007. http://www.theses.fr/2007TOUR3805.
Full textTrypanosoma cruzi, the protozoan agent of Chagas disease can be transmitted from mother to foetus. The incidence of congenital infection is estimated to be at least 15000 cases per year in Latin-America. Its incidence in the non endemic countries (USA, Europe, Japon. . . ) is not known. Thanks to multidisciplinary studies performed in Bolivia it has been possible to specified the epidemiologic qand clinical features of congenital Chagas disease. The transploacental route, as well as the role of some parasitic (genotype and parasitic charge) or host factors (capacity of maternal and fetal/neonatal immune responses, particularly the generation of CD8 T cells with cytotoxic and IFN-y-producing capacities) involved in mother to foetus transmission of infection and/or development of congenital Chagas disease have been also studied. Altogether, these data have hallowed the development of a strategy to control T. Cruzy congenital infection, which has been validated by PAHO/WHO and its applied in Latin America
Elies, Rozenn. "Anticorps anti-récepteurs cardiaques couplés aux protéines G dans la maladie de Chagas." Tours, 1997. http://www.theses.fr/1997TOUR3803.
Full textMijares, Alfredo. "Modifications du courant calcique de type L des cellules cardiaques isolées : effets des immunoglobulines de souris chagasiques et effets de l'application de la ciclosporine." Tours, 1997. http://www.theses.fr/1997TOUR4012.
Full textGirault, Sophie. "Conception et évaluation d'inhibiteurs spécifiques de la trypanothion réductase de Trypanosoma cruzi dans la famille des 2-aminodiphenylsulfures." Lille 1, 1997. http://www.theses.fr/1997LIL10122.
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