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Academic literature on the topic 'Anticorpo monoclonale HIV-1'
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Journal articles on the topic "Anticorpo monoclonale HIV-1"
Inkelmann, Maria Andréia, Bruno Leite dos Anjos, Glaucia Denise Kommers, Rafael Almeida Fighera, and Claudio Severo Lombardo de Barros. "Aspectos imunoistoquímicos da hepatite infecciosa canina." Ciência Rural 38, no. 9 (December 2008): 2636–40. http://dx.doi.org/10.1590/s0103-84782008000900039.
Full textDissertations / Theses on the topic "Anticorpo monoclonale HIV-1"
Ebersold, Anne. "Production d'anticorps monoclonaux humains dirigés contre la gp41 du virus HIV-1." Lyon 1, 1992. http://www.theses.fr/1992LYO1T268.
Full textMaloveste, Sébastien. "Mécanismes d'action des anticorps neutralisant le HIV-1 : du modèle d'encombrement au modèle dynamique." Aix-Marseille 2, 2007. http://www.theses.fr/2007AIX22040.
Full textEl, Khoury Léa. "Etude de complexes d'inhibiteurs à visée thérapeutique : applications à des métalloprotéines impliquées dans des pathologies." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066016.
Full textThe catalytic functions of integrase (IN) of Human Immunodeficiency Virus (HIV-1) are strictly necessary for the integration of the viral genome into the host cells. To this day, three anti-IN inhibitors belonging to the diketoacids are used in therapy: raltegravir, elvitegravir and dolutegravir. However, under treatments with these drugs, patients develop resistance mutations. In this work, we seek to better understand the interaction of the three drugs with viral DNA. This work also contributed to the design of novel molecules. These should be endowed with increased DNA binding affinities as a step towards overcoming viral resistance. The understanding of the inhibition mechanism of IN was pursued by the study of two monoclonal antibodies, 4F4 and 4C6, which are directed against sequence 147-175 of the catalytic core of HIV-1 IN, a peptide denoted K159. The results show that the antibodies recognize their epitopes in IN. We also aim to target an HIV-1 nucleocaspid protein NCp7 involved in many stages of the viral cycle. We have thus studied the structure of NCp7 and its viral DNA complex. We were able to determine the interactions responsible for the structuring and thus the functions of these complexes. Then, we evaluated the interactions of NCp7 with an inhibitor of the thioester family, C247, which acts as a zinc ejector. Finally, from the methodological standpoint, we have refined in SIBFA (Sum of Interaction Between Fragments Ab initio computed) the representation of the sp2 and sp lone pairs in conjugated molecules
Mediouni, Sonia. "Etude par des anticorps de patients VIH-1 de la protéineTAT extracellulaire et développement thérapeutique." Thesis, Aix-Marseille 2, 2011. http://www.theses.fr/2011AIX20712.
Full textThe protein Tat (Trans-activator of transcription) is definitely one of the most interesting targets in the fight against HIV-1. Synthesized early, it plays a central role in the viral life cycle and protects infected cells. Secreted into the extracellular medium, it participates in the immunodeficiency by inhibiting some functions or inducing apoptosis of immune cells. It is also directly involved in many diseases associated with HIV-1. In a first study, we examined whether HAART was able to inhibit the synthesis and secretion of the Tat protein. We proposed to HIV-1 infected patients under HAART, with undetectable viral load, to allow us to do five blood samplings (one every three months for one year) to verify the presence of antibodies against Tat. We found that 86% of patients had antibodies against Tat but these antibodies could disappear or appear in a majority of patients showing that Tat protein continues to be secreted in spite of antiviral treatment. A second study of patient sera was carried out to determine if Tat was structured in the blood of patients. There was a controversy in the literature about the fact that Tat could be naturally unstructured. We showed that Tat is structured in the serum of patients. In addition, the biological activity of Tat is closely related to the acquisition of its conformation. As part of a clinical development of a Tat vaccine in the laboratory, we carried out vaccinations in mice to determine the dose, the adjuvant, the route of administration, the number of boosts, tolerance and toxicity of the vaccine. Clinical trials are planed with a therapeutic protocol. The laboratory is also developing another therapeutic approach with a mouse monoclonal antibody able to recognize and neutralize Tat variants representative of the five major subtypes of HIV-1. This antibody will be humanized and could be used for future immunotherapy, in combination with HAART for patients in early or late stage of the pathology or to newborn babies who have a weak immune system
Janvier-Chemy, Blandine. "Identification d'épitopes B des protéines de core des virus HIV-1 et HIV-2 : application au développement de tests pronostiques." Compiègne, 1990. http://www.theses.fr/1990COMPD326.
Full textGiraud, Alexia. "Utilisation in vitro et in vivo du virus de la Forêt de Semliki : expression de glycoprotéines d'enveloppe du VIH-1 et obtention subséquente d'anticorps monoclonaux." Lyon 1, 1999. http://www.theses.fr/1999LYO1T096.
Full textLemiale, Franck. "Antigénicité, immunogénicité et propriétés fonctionnelles des glycoprotéines d'enveloppe recombinantes dérivées d'isolats primaires de virus de l'immunodéficience humaine de type I (HIV-1) de sous-types A àG." Tours, 2000. http://www.theses.fr/2000TOUR3804.
Full textNo summary available
Bouvin-Pley, Mélanie. "Dérive de la glycoprotéine d'enveloppe du VIH-1 au cours de l'épidémie : augmentation de sa résistance aux anticorps neutralisants et amélioration de ses propriétés fonctionnelles." Thesis, Tours, 2015. http://www.theses.fr/2015TOUR3803.
Full textMost of HIV-1 infected patients develop autologous neutralizing antibodies against the viral envelope glycoprotein during primary infection. These antibodies exert a selective pressure that leads to the selection of escape variants. We showed that HIV-1 evolved at the population level towards an enhanced resistance to antibody neutralization over the course of the epidemic, subsequently to the selective pressure exerted by the individual autologous neutralizing antibodies responses. This antigenic drift has an impact on the functional properties of the viral envelope. We showed an increasing infectivity associated with an increasing entry kinetic of the most recently transmitted viruses. The contemporary viruses are also more resistant to the inhibitor of fusion enfuvirtide, related to a better use of the CCR5 co-receptor as well as a progressive increasing resistance to the CD4 inhibitor M48U1. Together our results are in favor of a progressive adaptation of HIV-1 species to humans over the course of the epidemic
Monaco, Stéphanie. "Etudes structurales d'un fragment d'anticorps et de son complexe avec la protéine capside P24 du virus VIH-1." Université Joseph Fourier (Grenoble), 1998. http://www.theses.fr/1998GRE10183.
Full textMATUCCI, Andrea. "Studio di nuovi immunogeni per l'induzione di anticorpi neutralizzanti ad ampio spettro contro il virus dell'immunodeficienza umana (HIV-1)." Doctoral thesis, 2008. http://hdl.handle.net/11562/452954.
Full textComplex between viral glycoproteins gp120/41 and cellular recpetors CD4 and CCR5 have been studied. Mice were immunized to verify their ability to elicit specific neutralizing antibodies.