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Academic literature on the topic 'Vaccins contre le SIDA simien'
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Journal articles on the topic "Vaccins contre le SIDA simien"
Girard, M. "Vaccins contre le SIDA : espoirs et réalités." médecine/sciences 5, no. 3 (1989): 152. http://dx.doi.org/10.4267/10608/3937.
Full textVartanian, Jean-Pierre, Philippe Blancou, and Simon Wain-Hobson. "Aucune corrélation entre les vaccins contre le poliovirus et l’émergence du SIDA." médecine/sciences 17, no. 11 (November 2001): 1217–19. http://dx.doi.org/10.1051/medsci/200117111217.
Full textIgomu, E. E. "Salmonella Kentucky: prevalence and challenges in Nigeria and the Africa continent." African Journal of Clinical and Experimental Microbiology 21, no. 4 (August 25, 2020): 272–83. http://dx.doi.org/10.4314/ajcem.v21i4.3.
Full textDie Redaktion. "Première transplantation de visage humain - rétention urinaire - fièvre récurrente à tiques - Vaccins contre le sida - chocolat noir - Qu'en pensez-vous?" Forum Médical Suisse ‒ Swiss Medical Forum 8, no. 17 (April 23, 2008). http://dx.doi.org/10.4414/fms.2008.06470.
Full textDissertations / Theses on the topic "Vaccins contre le SIDA simien"
Coutsinos, Zoé. "Optimisation des approches d'induction de réponses immunitaires multi-épitopiques in vivo par un vaccin lipopeptidique dans les modèles rhésus macaque et murin." Paris 7, 2005. http://www.theses.fr/2005PA077197.
Full textIn the macaque/ simian Immunodeficiency virus (SIV) animal model, cytotoxic T lymphocytes (CTL), present during primary infection, play a major role in controlling viral load and delaying disease onset. The aim of our work was to optimize our vaccination strategy. In order to incluse mufti-specific CTL responses in macaques using a Upopeptide-based SIV vaccine which ean be adaptecl for human use. Our results show that lipopeptide vaccination is highly immunogenic and is able to Induce multi- specific CTL responses. The presence of such responses should broaden the target spectrum of the host and may prevent viral escape. These results warrant more testing of the efficacy of based HIV vaccine candidates in humans; in vaccination strategies in which lipopeptides are alone or combined with other viral vectors
Puaux, Anne-Laure. "Vectorisation de domaines antigéniques par l'antigène de surface du virus de l'Hépatite B : une stratégie vaccinale contre le virus de l'immunodéficience simienne/humaine." Paris, Institut national d'agronomie de Paris Grignon, 2004. http://www.theses.fr/2004INAP0020.
Full textPeyrache, Jérôme. "Vaccination contre le virus de l'immunodéficience féline." Institut national agronomique Paris-Grignon, 2005. http://www.theses.fr/2005INAP0005.
Full textVaillant, Caroline. "Activité cytotoxique des lymphocytes induites par des vaccins préventifs contre l'infection à VIH-1, administrés chez le volontaire sain." Paris 5, 1996. http://www.theses.fr/1996PA05P199.
Full textKostrzak, Anna. "Les pseudo-particules virales du VHB, produites chez les plantes, comme vecteur d'un polyépitope du VIH-1 pour un vaccin oral bivalent contre le sida et l'hépatite B." Versailles-St Quentin en Yvelines, 2009. http://www.theses.fr/2009VERS0042.
Full textCurrently one of the most important worldwide demands is to find a more efficacious, cost-effective and reliable method of mass immunization for hepatitis B and many other fatal diseases afflicting underdeveloped regions of the globe. Plants plants could potentially symplify, and thus lower, the cost of immunization and by obviating the need for needles and specialized medical staff. We obtained the transgenic tobacco plants expressing small hepatitis B antigen (SHBsAg). The production and structure of SHBsAg was measured by anti-SHBsAg ELISA, western blot and transmission electron microscopy. Transformants showing high SHBsAg expression were lyophilized and the immunogenicity of dried leaves containing SHBsAg was evaluated by measuring cellular and humoral responses. For the cellular response, we measured the activation of CD8 T cells and the presence of T regulatory cells (Tregs) in peripheral lymph nodes and spleen. The humoral response was evaluated by ELISA tests, measuring anti-SHBsAg IgGs in serum and anti-SHBsAg IgAs in faeces and serum. Non-transgenic tobacco plants and plants producing SHBsAg were used for genetic transformation with three different constructs containing an HIV polyepitope-SHBsAg fusion protein. These results brings new knowledge in the use of the Hepatitis B virus-like particles as carrier of an HIV-1 polyepitope in palnts, second genetic plant transformation and plant oral immunization
Inwoley, Kokou André. "Stratégie vaccinale et diagnostic du VIH dans les pays à ressources limitées : éctude de la réponse TCD8 anti-VIH croisée et évaluation de techniques alternatives de diagnostic des personnes vivant avec le VIH en Côte d'Ivoire." Paris 7, 2006. http://www.theses.fr/2006PA077107.
Full textThis study was conducted to assess cross-clade reaction vaccine strategy and evaluate low cost technology for diagnosis of HIV-infected people living in Côte d'Ivoire. We used Elispot IFN-γ to analyse CTL response of Ivorian infected by HIV-1 subtype CRF02_AG against 105 HIV-1 clade B epitopes. 82% (36/44) of the patients had CD8+ T-cell responses against at least one pool Nef and Gag pools were recognized by 70% (31/44) and 57% (25/44) of the patients respectively. The main regions recognized were Gag18-132, Gag162-268 and Nef68-145. For HLA distribution the more frequent phenotype were HLA A19 (32,5%), HLA A2 (16%), HLA B5 (17,5%) and HLA B17 (14%). Séquence analysis revealed very few variations in Nef and Gag immunodominant regions. Two rapid tests for HIV screening (Détermine® of Abbott and Génie II® of Biorad), Dynabeads® of Dynal for CD4 determination and TaqMan real time RT-PCR for HIV RNA viral load testing were evaluated against référence tests : EIA, flow cytometry and commercial tests (Versant® of BAYER and Monitor® of ROCHE) respectively. These evaluations made in Côte d'Ivoire showed hight performance of these low cost technologies. Our results showed that a HIV vaccin strategy can be based on croos-clade. Low cost technologies can be used in laboratories of resources limited countries for monitoring HIV-infected people and also to select and monitoring volunteer for HIV vaccine trial
Benferhat, Rima. "Développement d'un vaccin prophylactique et thérapeutique contre le VIH/SIDA : induction d'anticorps neutralisant le VIH-1 par des peptides synthétiques dérivés de l'épitope CBD1." Paris 7, 2008. http://www.theses.fr/2008PA077204.
Full textThe CBD1 peptide (SLEQIWNNMTWMQWDK) corresponding to the consensus caveolin-1 binding domain in gp41, elicits in rabbits the production of antibodies that inhibit infection of primary CD4+ T lymphocytes by various primary HIV-1 isolates. Several studies in rabbits, guinea pigs and mice, indicated that neutralizing antibodies raised against the CBD1 peptide react with conformational determinants in the sequence IWNNMTWMQW that constitutes the highly conserved caveolin-1 binding motif (CBM). We showed that this peptide by itself is not immunogenic, but when fused with various T helper epitopes it induces specific antibodies that neutralize HIV-1 infection. Chimeric peptides synthesized with a T helper epitope fused to CBM-derived peptides of 5 to 10 amino acid residues, induced HIV-1 neutralizing antibodies that reacted with multiple overlapping determinants. The mixture of such neutralizing immune sera resulted in a synergistic neutralizing activity against HIV-1 infection. Finally, we used the various CBD1- and the CBM-based immunogens to generate murine monoclonal antibodies (mAb). Altogether, we isolated 15 mAbs with various degrees of HIV-1 neutralizing activity. These mAbs were characterized into 7 main groups by virtue of their reactivity with the CBD1- and the CBM-based peptides, thus confirming the existence of distinct neutralizing determinants in the CED 1 epitope
Iglesias, Maria Candela. "Les vecteurs lentiviraux comme outils pour la vaccination anti-virale." Paris 7, 2006. http://www.theses.fr/2006PA077108.
Full textLentiviral vectors derived from hiv-1, due to their capacity to transduce non-dividinq cells, have become precious gane transfer Systems, their ability to efficiently transduce dendritic cells (PC), bas also led to their successful use as vaccination vectors. Here we evaluate their potential as anti-viral vaccination vectors. To design a therapeutic vaccination strateqy aqainst AIDS, we constructed lentiviral vectors encoding polyepitopes of immunodominant HLA-A2 or B7 restricted hiv-peptides, or SIV gene fragments. A single injection in mice results in a strong immunogenicity. When immunizing HLA-A2 or B7 transgenic mice with the polyepitope-encoding vector particles, elispot and cytotoxicity assays showed a strong and broad primary T cell immune response still detected 1. 5 months after a single immunization. Injection of a GAG or NEF- encodinq vector in mice induced strong CTL responses. The nef encoding vector was evaluated in macaques : injection of vector particles or ex-vivo transduced PC stimulate strong and diversified CTL responses. Lentiviral vectors are also capable of stimulating specific humoral immune responses in mice. We constructed a vector coding for secreted form of the West Nile Virus (WNV) envelope protein, a virus for which the humoral immune response is the essential component of protective immunity. A single immunization with a minute dose of this vector was efficient at eliciting a long-lasting, protective and sterilizing humoral immunity, only one week after priming, in a mouse model of WNV encephalitis. This study broadens the applicability of lentiviral vectors as vaccines against pathogens for which neutralizing antibodies are required
Moreno, Nieves Uriel Yojanan. "Study of Natural killer cell responses induced by the HIV-1 vaccine candidate, MVAHIV." Paris 7, 2014. http://www.theses.fr/2014PA077143.
Full textNatural Killer (NK)-cell functions and repertoire have been associated with protection from HIV acquisition and disease progression. The capacity of viral vaccine vectors to stimulate NK cells to control infection has not been addressed. We therefore tested the ability of the HIV vaccine candidate MVAHIV and S100A9 proteins to stimulate the anti-HIV activity of NK cells. We developed an in vitro co-culture system allowing the priming of NK cells by autologous DCs infected by MVAHIV. Using this system, we observed that MVAWT-primed NK cells more efficiently control HIV infection compared to MVAWT-primed NK cells, that the enhanced antiviral activity is HIV-specific, and that NKG2D, NKp46 and membrane-bound IL-15 are implicated in the priming of NK cells. Previously we demonstrated that CD85j+ NK cells naturally control HIV infection in autologous DCs and that S100A9 proteins are ligands of CD85j. Here, we found that stimulation of NK cells by S100A9 tetramers enhances the control of HIV infection in CD4+ T cells, and that the anti-HIV activity induced by S100A9 tetramers is preserved during the priming of NK cells by MVAHIV. Overall, we observed that MVAHIV-primed NK cells efficiently and specifically control HIV infection. As S100A9 tetramers stimulate the anti-HIV activity of NK cells alone or in combination with a vaccine-candidate, we suggest that they might be considered as adjuvants to enhance the control of HIV infection by NK cells
Pialoux, Gilles. "Essais vaccinaux anti VIH 1 de phase I chez l'homme : approche comparative de la réponse immune induite par un vecteur recombinant canarypox et par des lipopeptides." Paris 5, 2000. http://www.theses.fr/2000PA05CD02.
Full textBooks on the topic "Vaccins contre le SIDA simien"
Grady, Christine. The search for an AIDS vaccine: Ethical issues in the development and testing of a preventiveHIV vaccine. Bloomington: Indiana University Press, 1995.
Find full textThe search for an AIDS vaccine: Ethical issues in the development and testing of a preventive HIV vaccine. Bloomington: Indiana University Press, 1995.
Find full textKerns, Thomas A. Jenner on trial: An ethical examination of vaccine research in the age of smallpox and the age of AIDS. Lanham, Md: University Press of America, 1997.
Find full text1925-, Brown Fred, and Cold Spring Harbor Laboratory, eds. Vaccines 90: Modern approaches to new vaccines including prevention of AIDS. Cold Spring Harbor, N.Y: Cold Spring Harbor Laboratory Press, 1990.
Find full textVaccines 90: Modern Approaches to New Vaccines Includes Prevention of AIDS (Vaccines). Cold Spring Harbor Laboratory Press, 1990.
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