Academic literature on the topic 'Trypanosomose'
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Journal articles on the topic "Trypanosomose"
Dadah, A. J., D. D. Duhlinska Popova, A. D. Daniel, and P. M. Dede. "Trypanosomose chez des moutons et des chèves aprés abattage à l'abattoir de Jos, Nigeria." Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, no. 3 (March 1, 1997): 214–16. http://dx.doi.org/10.19182/remvt.9572.
Full textSolano, Philippe, Gérard Cuny, Gérard Duvallet, Dominique Cuisance, Sophie Ravel, Issa Sidibé, and Saydil Touré. "Les techniques de génétique moléculaire au service de l'épidémiologie des trypanosomoses. Intérêt de l'étude du polymorphisme des microsatellites des glossines." Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, no. 4 (April 1, 1997): 297–301. http://dx.doi.org/10.19182/remvt.9560.
Full textAsonganyi, Tazoacha, S. Suh, and M. D. Tetuh. "Prévalence des trypanosomoses des animaux domestiques dans le foyer de la maladie du sommeil de Fontem au Cameroun." Revue d’élevage et de médecine vétérinaire des pays tropicaux 43, no. 1 (January 1, 1990): 69–74. http://dx.doi.org/10.19182/remvt.8900.
Full textMahama, Charles I., H. A. Mohammed, Martin Abavana, I. Sidibé, A. Koné, and S. Geerts. "Mouches tsé-tsé et trypanosomoses au Ghana au vingtième siècle." Revue d’élevage et de médecine vétérinaire des pays tropicaux 56, no. 1-2 (January 1, 2003): 27. http://dx.doi.org/10.19182/remvt.9871.
Full textDede, P. M., H. Halid, G. A. Omoogun, N. R. Uzoigwe, C. I. Njoku, A. D. Daniel, and A. J. Dadah. "Situation actuelle sur les glossines et la trypanosomose sur le plateau de Jos au Nigeria : facteurs épizootiologiques pouvant faciliter la transmission et la propagation de la maladie." Revue d’élevage et de médecine vétérinaire des pays tropicaux 58, no. 1-2 (January 1, 2005): 31. http://dx.doi.org/10.19182/remvt.9937.
Full textMattioli, Raffaele C., O. Jean, and Adrien Marie Gaston Belem. "Incidence de la trypanosomose sur la faune sauvage d'un ranch de gibier au Burkina Faso." Revue d’élevage et de médecine vétérinaire des pays tropicaux 43, no. 4 (April 1, 1990): 459–64. http://dx.doi.org/10.19182/remvt.8759.
Full textBouteille, Bernard. "Trypanosomose humaine africaine." EMC - Biologie Médicale 1, no. 1 (January 2006): 1–4. http://dx.doi.org/10.1016/s2211-9698(06)76293-8.
Full textAbenga, J. N., F. N. C. Enwezor, F. A. G. Lawani, H. O. Osue, and E. C. D. Ikemereh. "Prévalence de trypanosomes chez des bovins dans la région de Lere dans l’Etat de Kaduna au centre nord du Nigeria." Revue d’élevage et de médecine vétérinaire des pays tropicaux 57, no. 1-2 (January 1, 2004): 45. http://dx.doi.org/10.19182/remvt.9904.
Full textDia, Mamadou Lamine, N. Van Meirvenne, E. Magnus, Antony George Luckins, C. Diop, A. Thiam, Philippe Jacquiet, and R. Hamers. "Evaluation de quatre tests de diagnostic : frottis sanguins, CATT, IFI et ELISA-Ag dans l'étude de l'épidémiologie de la trypanosomose cameline à T. evansi en Mauritanie." Revue d’élevage et de médecine vétérinaire des pays tropicaux 50, no. 1 (January 1, 1997): 29–36. http://dx.doi.org/10.19182/remvt.9598.
Full textMahamat, Hassane H. "First PATTEC consultative workshop on strategies, technical advances and partnerships in tsetse and trypanosomosis management." Revue d’élevage et de médecine vétérinaire des pays tropicaux 68, no. 1 (November 19, 2015): 45. http://dx.doi.org/10.19182/remvt.20576.
Full textDissertations / Theses on the topic "Trypanosomose"
Morlais, Isabelle. "Identification des trypanosomes chez les glossines en zones endémiques de trypanosomose humaine au Cameroun." Montpellier 2, 1998. http://www.theses.fr/1998MON20085.
Full textAyed, Zoulikha. "Trypanosome humaine africaine : détection d'autoanticorps anti-neurofilaments et anti-tubulines : essai d'immunisation contre la trypanosomose expérimentale." Limoges, 1999. http://www.theses.fr/1999LIMO117G.
Full textHamidou, Soumana Illiassou. "La Trypanosomose Humaine Africaine (maladie du sommeil) : caractérisation de gènes impliqués dans les interactions symbiontes - glossines - trypanosomes." Thesis, Montpellier 2, 2014. http://www.theses.fr/2014MON20182.
Full textTsetse flies are the vectors of African trypanosomes, the causative agents of human African trypanosomiasis (sleeping sickness)in sub-saharan Africa. New sleeping sickness control strategies plan to use tsetse gut symbionts to increase tsetse flies refractoriness to trypanosomes infection. Such approaches require good knowledge on the molecular and cellular basis of interactions between symbionts, tsetse fly and trypanosome. This thesis aimed to i) assess the evolution of Glossina palpalis gambiensis symbionts (Wigglesworthia glossinidia and Sodalis glossinidius) densities throughout the host fly development cycle and ii) to characterize genes of Sodalis, G. p. gambiensis and Trypanosoma brucei gambiense in interaction, which are differentially expressed during the infection. We showed that both symbionts are present in all tsetse fly development stages, allowing their use in the context of vector control. Subsequently, experimental infections were performed on colonies flies. G. p. gambiensis female flies were fed on T. b. gambiense hosting mice. Transcriptome of infected flies and flies that have cleared trypanosome they ingested were analysed. This allow us identifying genes of Sodalis, G. p. gambiensis and T. b. gambiense differentially expressed at the infection key stages. Our results highlight the complexity of interactions between Sodalis, G. p. gambiensis, T. b. gambiense and underline the involvement of bacteriophages hosted by S. glossinidius in tsetse fly refractoriness to trypanosome infection. Key words: sleeping sickness; tsetse fly; trypanosome; symbionts; vector competence; gene expression
Dauchy, Frédéric-Antoine. "Immunopathologie et approche thérapeutique dans la Trypanosomose Africaine." Thesis, Bordeaux, 2016. http://www.theses.fr/2016BORD0390/document.
Full textTrypanosoma brucei gambiense, an extracellular eukaryotic flagellate parasite, is the main causative agent of Human African Trypanosomiasis (HAT), also known as sleeping sickness. Trypanosomes have developped efficient mechanisms to escape the host immune response. New therapeutic options are needed for patients with HAT. Sterol 14α-demethylase (CYP51) is a potential drug target but its essentiality has not been studied in T. brucei. In a first study, we demonstrated its essentiality by RNA interference (CYP51RNAi) in vitro. CYP51RNAi induction caused morphological defects with multiflagellated cells, suggesting cytokinesis dysfunction. Additionally, the survival of CYP51RNAi infected-mice was improved, showing CYP51 RNAi effect on trypanosomal virulence. During infection with virulent strains, posaconazole-eflornithine and nifurtimox-eflornithine combinations showed similar improvement in mice survival. Thus, our results provide support for a CYP51 targeting based treatment in HAT. In a second work, we studied the innate host immune system characteristics in trypanosomiasis, as a severe immune dysregulation is present in HAT. To analyse the potential immunomodulatory activity of T. gambiense in human settings, we assess the effect of its secretome on dendritic cells (DCs) in vitro, using human monocyte-derived DCs. A significant inhibition of the LPS-induced maturation of DCs was observed with secretome. In line with this impairment, secretome down regulated cytokines production by LPS-activated DCs. TbKHC1, a kinesin heavy chain, is a component of the parasite secretome. We confirmed its role in parasitic escape to immune system by inducing arginase activity, in a murine model. Our results provide new information about the immune system characteristics during trypanosomiasis, which may help to uncover new therapeutic approachs in HAT
Ngo, Nonga Sylvie. "Une nouvelle thérapeutique de la trypanosomose africaine humaine : l'éflornithine." Paris 5, 1993. http://www.theses.fr/1993PA05P053.
Full textChevrier, Céline. "Approche physiopathologique et chronobiologique de la trypanosomose Africaine expérimentale." Lyon 1, 2005. http://www.theses.fr/2005LYO10087.
Full textPervieux, Lynda. "Apports diagnostiques au cours de la trypanosomose humaine africaine." Limoges, 2008. https://aurore.unilim.fr/theses/nxfile/default/a14d2c70-f65d-4ce4-a3e9-eda1e17e4617/blobholder:0/2008LIMO310D.pdf.
Full textHuman African trypanosomiasis (HAT), or sleeping sickness is a parasitic disease due to trypanosomes of the Trypanosoma brucei (T. B. ) group. These parasites are transmitted by the bite of a tse-tse fly. HAT represents a real public health problem in Africa and sub-Saharan Africa. Two stages are classically described in disease progression, the heamo-lymphatic stage and the nervous stage. Diagnosis and stage determination, which are crucial to determine treatment, remain difficult. Frequently used criteria are not very sensitive or very specific and require a lumbar puncture to obtain a sample of cerebrospinal fluid (CSF). The objective of our PhD was to identify new approaches diagnostic to determine disease stage. For that, we studied various subpopulations of T and B lymphocytes, and the cytokines/chemokines controlling them. We initially characterized the regulatory T cells CD4+CD25+Foxp3+ (nTregs), in Trypanosoma brucei-infected mice. NTregs increased in the thymus until 120 days post infection and decreased at 240 days. This may be due to a mechanism blocking nTreg maturation in the thymus, or their exit from the thymus. In contrast, in mesenteric lymph nodes, a nTregs constantly decreased was found during infection. These results suggest that the variation in their number was due to the progression of the infection, but was also age-dependent. Our study identified the lymphocytes present in the blood and CSF of HAT infected patients. In blood, regardless of the HAT stage, the proportion of B cells (CD19) increased whereas the number of T cells decreased, thus confirming the immunosuppressive character of the disease. In the CSF, the increased number of CD19 cells observed for stage 2 patients could constitute a new criterion of the nervous stage. Furthermore, we tried to understand by which mechanisms lymphocytes were attracted into the central nervous system by measurement of different cytokines/chemokines levels in serum and CSF. In serum, cytokines/chemokines levels were only associated with the presence of trypanosomes in CSF. In CSF, their expression was associated with the presence of neurological signs, suggesting a possible use for diagnosis of the nervous stage. Finally, we showed that T. B. Gambiense activated CXCL-13 expression in microglial and endothelial cell lines, suggesting a direct role of trypanosomes in regulation. Our studies on lymphocytes and cytokines/chemokines implicated highlights the necessity of their evaluation as stage markers by multicentric studies in the field
Dia, Mamadou Lamine. "Epidémiologie de la trypanosomose cameline à Tryapanosoma evansi en Mauritanie." Montpellier 1, 1997. http://www.theses.fr/1997MON1T018.
Full textAmrouni, Donia. "Monoxyde d'azote (NO) et trypanosomose africaine expérimentale chez le rat." Thesis, Lyon 1, 2010. http://www.theses.fr/2010LYO10129.
Full textBy way of an experimental model of human African trypanosomiasis (HAT or sleeping sickness), the rat infected by Trypanosoma brucei brucei, we examined the involvement of nitric oxide (NO) in the development of this pathology. In the infected animals, opposite variations in NO concentration were observedeither at peripheral or brain compartments: NO decreases in blood but increases in brain. These changes are dependent on the activity of the inducible NO-synthase (iNOS). In periphery, the decrease observed in NO concentration favors the parasite entrance because the trypanocidal pressure exerted by NO is decreased. In such a situation, L-arginine, the substrate conducing to the synthesis of NO, is employed for the synthesis of polyamines, a category of compounds necessary for the parasite growth. It is likely that above mechanisms might be triggered by parasites. In brain, NO synthesis is submitted to additive complex regulatory processes implying arginase and NG, NG-dimethylarginine dimethylaminohydrolase (DDAH). While the arginase activity remains constant, that of DDAH increases throughout the infection process in keeping with western-blot and amino acids data. This increase, depending mainly on DDAH-2 isoform, lasts in a brain NO increase which enhance the trypanocidal pressure. Above changes, opposite to those observed in periphery, are not favorable to the parasite survival in brain. They might constitute an additive protection against the parasite entry in this organ
Semballa, Silla. "Identification de mécanismes immunopathologiques dans la trypanosomose humaine africaine : anticorps et immunomodulateurs." Bordeaux 2, 2003. http://www.theses.fr/2003BOR21028.
Full textNeurological and inflammatory signs associated with immunological alterations are a hallmark of human Africal trypanosomiasis. They include alterations in antibody and nitric oxide (NO) productions. Trypanosomes are highly sensitive to S-nitrosylated compounds. Murine macrophages use oxygen and NO-dependent mechanisms to synthesize S-nitrosylated compounds. Antibodies to NO-epitopes and to tryptophan-like epitopes are present in patient sera. Tryptophan-like epitopes are borne by VSG from trypanosomes of the brucei group and absent on T. Cruzi and T. Musvculi. NO production is insufficient to kill parasites. Induction of arginase represents a new escape mechanism in host immune defence elaborated by parasites. L-arginine stock, essential for NO production, is depleted. Parasite factors inducing arginase are purified by monoclonal antibodies. The identification of these 105 and 70 kDa proteins is in progress
Books on the topic "Trypanosomose"
Affognon, Hippolyte. Étude des politiques relatives aux stratégies de gestion de la chimiorésistance dans le cadre de la lutte contre la trypanosomose en Afrique de l'ouest: Cas du Mali : gestion de la chimiorésistance dans le cadre de la lutte intégrée contre la trypanosomose dans la zone contonnière de l'Afrique de l'Ouest. Nairobi: International Livestock Research Institute, 2009.
Find full textMagez, Stefan, and Magdalena Radwanska, eds. Trypanosomes and Trypanosomiasis. Vienna: Springer Vienna, 2014. http://dx.doi.org/10.1007/978-3-7091-1556-5.
Full textWebster, Paul. Endocytosis by African trypanosomes. Uxbridge: Brunel University, 1989.
Find full textDirie, Mohamed Farah. Studies on stercorarian trypanosomes. Salford: University of Salford, 1990.
Find full textBindereif, Albrecht, ed. RNA Metabolism in Trypanosomes. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28687-2.
Full textHudson, Leslie, ed. The Biology of Trypanosomes. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-642-70538-0.
Full textOwolabi, Olusegun Amoo. Study on chemotherapy of trypanosomes. Salford: University of Salford, 1990.
Find full textStiles, Jonathan K. Studies on Glossina-Trypanosome interactions. Salford: University of Salford, 1990.
Find full textGill, B. S. Trypanosomes and trypansomiases of Indian livestock. New Delhi: Publications and Information Division, Indian Council of Agricultural Research, 1991.
Find full textGhanem, Elham George. Rheumatoid factors in murine trypanosome infections. Uxbridge: Brunel University, 1989.
Find full textBook chapters on the topic "Trypanosomose"
Black, Samuel J. "Control of pathogenesis in African animal trypanosomiasis: a search for answers at ILRAD, ILCA and ILRI, 1975-2018." In The impact of the International Livestock Research Institute, 103–47. Wallingford: CABI, 2020. http://dx.doi.org/10.1079/9781789241853.0103.
Full textO’Hara, James E., Igor UsUpensky, N. J. Bostanian, John L. Capinera, Reg Chapman, Carl S. Barfield, Marilyn E. Swisher, et al. "Trypanosomes." In Encyclopedia of Entomology, 3944–49. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-6359-6_2579.
Full textLeung, Ka Fai, Paul T. Manna, Cordula Boehm, Luke Maishman, and Mark C. Field. "Cell Biology for Immune Evasion: Organizing Antigenic Variation, Surfaces, Trafficking, and Cellular Structures in Trypanosoma brucei." In Trypanosomes and Trypanosomiasis, 1–39. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_1.
Full textNamangala, Boniface, and Steven Odongo. "Animal African Trypanosomosis in Sub-Saharan Africa and Beyond African Borders." In Trypanosomes and Trypanosomiasis, 239–60. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_10.
Full textGonzatti, Mary Isabel, Bernardo González-Baradat, Pedro M. Aso, and Armando Reyna-Bello. "Trypanosoma (Duttonella) vivax and Typanosomosis in Latin America: Secadera/Huequera/Cacho Hueco." In Trypanosomes and Trypanosomiasis, 261–85. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_11.
Full textCaljon, Guy, Linda De Vooght, and Jan Van Den Abbeele. "The Biology of Tsetse–Trypanosome Interactions." In Trypanosomes and Trypanosomiasis, 41–59. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_2.
Full textHall, James Peter John, and Lindsey Plenderleith. "Withstanding the Challenges of Host Immunity: Antigenic Variation and the Trypanosome Surface Coat." In Trypanosomes and Trypanosomiasis, 61–87. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_3.
Full textMansfield, John M., Donna M. Paulnock, and Gina M. Hedberg. "Bridging Innate and Adaptive Immunity in African Trypanosomiasis." In Trypanosomes and Trypanosomiasis, 89–114. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_4.
Full textMagez, Stefan, and Magdalena Radwanska. "Adaptive Immunity and Trypanosomiasis-Driven B-Cell Destruction." In Trypanosomes and Trypanosomiasis, 115–38. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_5.
Full textCapewell, Paul, Caroline Clucas, William Weir, Nicola Veitch, and Annette MacLeod. "Normal Human Serum Lysis of Non-human Trypanosomes and Resistance of T. b. rhodesiense and T. b. gambiense." In Trypanosomes and Trypanosomiasis, 139–60. Vienna: Springer Vienna, 2013. http://dx.doi.org/10.1007/978-3-7091-1556-5_6.
Full textConference papers on the topic "Trypanosomose"
Stead, A. D. "Visualizing membrane turnover in trypanosomes." In Sixth international conference on x-ray microscopy (XRM99). AIP, 2000. http://dx.doi.org/10.1063/1.1291137.
Full textHutchings, Nathan R. "Flagellar Bend Dynamics in African Trypanosomes." In ISIS INTERNATIONAL SYMPOSIUM ON INTERDISCIPLINARY SCIENCE. AIP, 2005. http://dx.doi.org/10.1063/1.1900400.
Full textVigneron, Aurélien. "Tsetse’s cardia tissue: Gatekeeper of trypanosome transmission?" In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.111099.
Full textWestergard, Anna M. "Divalent Cation Control of Flagellar Motility in African Trypanosomes." In ISIS INTERNATIONAL SYMPOSIUM ON INTERDISCIPLINARY SCIENCE. AIP, 2005. http://dx.doi.org/10.1063/1.1900402.
Full textGuarneri, Alessandra A. "Behavioral and molecular changes induced by trypanosome infection in triatomine." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.94980.
Full textVan Den Abbeele, Jan. "How tsetse fly immunity controls the transmission of the trypanosome parasite." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.91471.
Full textMueh, Mario, Matthias Maasch, Michael Brecht, H. Ulrich Goringer, and Christian Damm. "Complex dielectric characterization of African trypanosomes for aptamer-based terahertz sensing applications." In 2017 First IEEE MTT-S International Microwave Bio Conference (IMBIOC). IEEE, 2017. http://dx.doi.org/10.1109/imbioc.2017.7965783.
Full textDardonville, Christophe, Francisco José Fueyo González, Carolina Izquierdo García, Teresa Díaz Ayuga, Godwin Ebiloma, Emmanuel Balogun, Kiyoshi Kita, and Harry de Koning. "Targeting the Trypanosome Alternative Oxidase (TAO) as Promising Chemotherapeutic Approach for African Trypanosomiasis." In 3rd International Electronic Conference on Medicinal Chemistry. Basel, Switzerland: MDPI, 2017. http://dx.doi.org/10.3390/ecmc-3-04641.
Full textSHAH, D., C. D. CHANG, K. CHENG, L. JIANG, V. SALBILLA, A. HALLER, and G. SCHOCHETMAN. "USING RECOMBINANT ANTIGENS FOR THE DETECTION OF ANTIBODIES TO TRYPANOSOMAS CRUZI ON A FULLY AUTOMATED CHEMILUMINESCENCE ANALYZER." In Chemistry, Biology and Applications. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812770196_0034.
Full textDias, Felipe A. "Genome-wide analysis of Rhodnius prolixus gut gene expression: Influences of the blood meal and Trypanosome infection." In 2016 International Congress of Entomology. Entomological Society of America, 2016. http://dx.doi.org/10.1603/ice.2016.118274.
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