Academic literature on the topic 'Virologie médicale'
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Journal articles on the topic "Virologie médicale"
Morand, P., and J. M. Seigneurin. "Virologie médicale." Médecine et Maladies Infectieuses 25, no. 1 (January 1995): 20–23. http://dx.doi.org/10.1016/s0399-077x(05)80245-8.
Full textNicolas, Jean-Claude. "… et virologie médicale." Revue Française des Laboratoires 2000, no. 319 (January 2000): 18. http://dx.doi.org/10.1016/s0338-9898(00)80332-7.
Full textMaréchal, V., and J. C. Nicolas. "Nouveaux concepts en virologie médicale." Revue Française des Laboratoires 1996, no. 283 (April 1996): 1. http://dx.doi.org/10.1016/s0338-9898(96)80177-6.
Full textRouzioux, C. "L’infection à VIH : quels enjeux thérapeutiques en 2009 ? Quel a été l’impact sur la virologie médicale en France ?" Annales Pharmaceutiques Françaises 68, no. 1 (January 2010): 44–46. http://dx.doi.org/10.1016/j.pharma.2009.10.002.
Full textUwandu, M. O., F. A. Ige, A. P. Okwuraiwe, C. K. Onwuamah, and R. A. Audu. "Communication: Implementation of biosafety in infection control: a 10-year review." African Journal of Clinical and Experimental Microbiology 22, no. 2 (April 8, 2021): 290–93. http://dx.doi.org/10.4314/ajcem.v22i2.23.
Full textTerriou, P., and R. Roulier. "Risque virologique et assistance médicale à; la procréation." EMC - Gynécologie 1, no. 1 (January 2006): 1–3. http://dx.doi.org/10.1016/s0246-1064(06)74340-7.
Full textTerriou, P., and R. Roulier. "Risque virologique et assistance médicale à la procréation." EMC - Gynécologie-Obstétrique 1, no. 1 (February 2004): 2–6. http://dx.doi.org/10.1016/j.emcgo.2003.10.001.
Full textRosadas, Carolina. ""Quem sou eu? Jogo dos vírus": uma nova ferramenta no ensino da virologia." Revista Brasileira de Educação Médica 36, no. 2 (June 2012): 264–68. http://dx.doi.org/10.1590/s0100-55022012000400016.
Full textPorras, María Isabel, and María José Báguena. "El papel desempeñado por los médicos, el gobierno y la OMS en la implementación de las encuestas serológicas sobre polio, sarampión y rubeola en España (1958-1978)." Asclepio 72, no. 1 (June 16, 2020): 295. http://dx.doi.org/10.3989/asclepio.2020.04.
Full textToro Toro, Jane, Yarintza Hernández Coromoto, Riber Donoso Noroña, and Adisnay Rodríguez Placencia. "Cultura y gestión de investigación/innovación en infectología tropical en la Universidad Regional Autónoma de los Andes." Boletín de Malariología y Salud Ambiental 62, no. 1 (2022): 83–89. http://dx.doi.org/10.52808/bmsa.7e6.621.011.
Full textDissertations / Theses on the topic "Virologie médicale"
Le, Gal Frédéric. "Diversité génétique du virus de l'hépatite delta (HDV) en Europe et en Afrique : caractérisation et implications en virologie médicale." Paris 13, 2007. http://www.theses.fr/2007PA132013.
Full textHepatitis Delta Virus (HDV) is satellite of hepatitis B virus. The genetic variability of HDV has led to the definition of viral genotypes, presenting specific geographic distribution. Previous studies in our laboratory have allowed to identify 7 distinct genotypes. Our laboratory is a national reference centre for HDV. This has allowed us to characterize 606 isolates from patients followed in France, and to identify an 8th genotype (HDV-8). Approximately 78% patients were infected by HDV-1, which is the most common genotype. 0. 1% were infected by HDV-2, 16. 3% by HDV-5, 1. 2% by HDV-6, 3. 6% by HDV-7 and 0. 9% by HDV-8. All patients infected by viruses HDV-5, -6, -7 and -8 were of African origin. An important genetic diversity was evidenced among HDV-1 viruses, leading to the individualisation of 3 subtypes : HDV-1AB (isolates from Europe/Asia), HDV-1C1 and 1C2 (Africa). A collaborative study with the University of Istanbul allowed us to confirm this diversity of HDV-1 viruses among isolates circulating in Turkey. Taken together, our results tend to indicate that HDV might have originated from Africa and have followed the course of human migrations via Middle-East. We have developed a test to quantify HDV RNA in plasma whatever the viral genotype. This test, employed for routine diagnosis in our laboratory, was used in 2 pilot studies within the context of collaborations with Beaujon Hospital (France) and Hippokration Hospital (Athens, Greece). We have evidenced and characterized the genetic variability of HDV. This variability should be taken into account for the elaboration of diagnostic tests. Further multicenter prospective studies should allow to estimate the impact of the genetic variability on the course of the disease and on the treatment
Paty, Marie-Claire. "Quantification virale dans l'infection VIH-1 : expérience bordelaise et revue de la littérature." Bordeaux 2, 1992. http://www.theses.fr/1992BOR23030.
Full textAllende, Larrain Gustavo. "Evaluation of hrHPV testing on a vaginal specimen collected by woman her-self in Bolivia." Doctoral thesis, Universite Libre de Bruxelles, 2020. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/308967.
Full textDoctorat en Sciences biomédicales et pharmaceutiques (Pharmacie)
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Verdikt, Roxane. "Epigenetic and Transcriptional Mechanisms of Human Immunodeficiency Virus type 1 Persistence in T-lymphoid and Myeloid Reservoirs." Doctoral thesis, Universite Libre de Bruxelles, 2019. https://dipot.ulb.ac.be/dspace/bitstream/2013/287450/3/PhD.pdf.
Full textDoctorat en Sciences
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Sdiri-Loulizi, Khira. "Etude des gastro-entérites virales pédiatriques en Tunisie : suivi épidémiologique et clinique et caractérisation moléculaire des virus entériques isolés des milieux cliniques et environnementaux entre 2003 et 2007." Dijon, 2009. http://www.theses.fr/2009DIJOS001.
Full textViral acute gastroenteritis is a worldwide problem of public health with an important morbidity and mortality in young children, especially in developing countries. This study constitutes the first viral, epidemiological and clinical investigation of the five main viruses responsible for gastroenteritis in Tunisia. Our results show that Group A rotaviruses and noroviruses were the most frequently detected with 213 (27%) and 128 (16. 2%) cases, respectively. Group A rotaviruses, noroviruses and Aichi viruses were significantly more frequent in hospitalized children than in outpatients. In hospitalized children, contrary to other studies, no significant difference was observed between rotavirus and norovirus infections with regard to the incidence and the clinical severity of the disease. The molecular typing showed the predominant strains as rotavirus type G3P[8] and norovirus genotype GGII. 4, variant Hunter. One interesting finding is that this variant was detected in Tunisian children as soon as January 2003, whereas it was described for the first time in Europe in February 2004. In the sewage samples, rotaviruses were detected in 80 (32%) cases, noroviruses in 11 (4. 4%) cases, Aichi viruses in 15 (6%) cases and adenoviruses type 40/41 in 1 (0. 4%) sample. A correlation between the strains detected in the sewage and the shellfish and the strains detected in the human stools has been shown. This suggests the existence of a relation between water contamination and pediatric diarrheas. This study provide very interesting data that permit a better understanding of the molecular and clinical epidemiology of enteric viruses in Tunisia and in Africa for which data are very rare
Busson, Laurent. "Evolution of direct diagnostic techniques in Virology; analytical performances and clinical input." Doctoral thesis, Universite Libre de Bruxelles, 2020. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/313391.
Full textDoctorat en Sciences médicales (Médecine)
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Meyer, Laurence. "Délétion CCR5-delta 32 et progression de la maladie VIH-1." Paris 11, 1999. http://www.theses.fr/1999PA11T021.
Full textThe role of the Δ32 deletion on the gene coding for the CCR5 receptor for beta chemokines on HIV-1 disease progression was studied in HIV-infected patients followed in several prospective multicenter cohorts. Around 17% of patients with a known date of infection from the SEROCO cohort were heterozygous for the deletion : these patients progressed less rapidly since infection to AlDS or death than the other patients. Ln a collaborative study with the Amsterdam cohort study, this protective effect was observed independently of two other mutations on genes coding for the CCR2 receptor and the SDF-1 ligand. Early serum viral load was 0. 25 log lower in Δ32 heterozygous patients than in wild-type patients; this lower viral load explained partiy. The protective effect of the deletion in the Cox multivariate analysis. This study allowed us to describe an HIV-infected subject who was homozygous for the deletion, which confirms that homozygous patients are not totally protected from HIV infection. The relationship between the Δ32 deletion and the occurrence of several opportunistic infections was studied in 1657 patients followed in the SEROCO, HEMOCO and SEROGEST cohorts. The risk of toxoplasmosis as a first AIDS-defining illness since inclusion was significantly reduced in heterozygous patients, even after adjustment for age, CD4 cell count and primary specifie prophylaxis. Since most patients who are still followed in these cohorts are now treated by highly active antiretroviral therapy, we are going to study whether the deletion affects the response treatment. The relationship between pathophysiology of primary HIV-1 infection and the Δ32 deletion will be studied in the PRIMO cohort which has recruited since 1996 recently infected patients
Rigal, Christelle. "Contribution à l'histoire de la recherche médicale : autour des travaux de Jean Bernard et de ses collaborateurs sur la leucémie aiguë, 1940-1970." Phd thesis, Université Paris-Diderot - Paris VII, 2003. http://tel.archives-ouvertes.fr/tel-00004194.
Full textFrange, Pierre. "Caractérisation virologique des virus VIH-1 isolés en primo-infection en France." Thesis, Paris 5, 2013. http://www.theses.fr/2013PA05T022.
Full textHigh genetic diversity is a major characteristics of HIV-1. In France, although subtype B strains are still predominant, the proportion of non-B viruses isolated in patients at the time of primary HIV-1 (PHI) infection increases over time. Between 1997 and 2007, 28.4% of patients were infected with non-B subtypes strains. Forty-nine viruses showed different phylogenies between the pol and env genes, indicating that recombinations have occurred in 8.3% of cases. These recombinants were isolated both in patients from Sub-Saharan Africa (28.3%) and in white subjects (6.3%).The phenotypic analysis of viral tropism of 131 non-B strains showed a very low (0.8%) proportion of CXCR4-tropic strains (X4 strains) at the time of PHI. Compared to phenotypic tests, genotypic predictions can overestimate (12.2% versus 0.8%) the proportion of X4 strains in non-B subtypes.The phylogenetic analysis of 987 strains isolated in 1999-2010 showed that 12.7% of PHI cosegregated into 56 transmission chains. PHIs are a significant source of onward transmission, especially in men having sex with men, with increasing frequency during the recent years (10.2% in 1999-2006 versus 15.2% in 2006-2010, p=0.02).The comparison of the viral quasispecies isolated in plasma and PBMC samples from 8 patients at the time of PHI ("recipients") and their transmitting partners ("donors") suggested that a severe genetic bottleneck occurrs during HIV-1 heterosexual and homosexual transmission. Indeed, we observed in all cases the transmission of a single variant, which was derived from an infrequent variant population within the blood of the donor. The proportion of X4 quasispecies in donors were higher in case of X4 versus CCR5-tropic viral transmission, suggesting that X4 transmission may be associated with a threshold of X4 circulating quasispecies in donors
Duquenne, Charline. "Modulation de l’activité des corécepteurs CCR5 et CXCR4 du VIH 1 comme stratégie thérapeutique : étude des deux isoformes de CXCR4 et interaction de CCR5 avec le récepteur S1P1." Thesis, Montpellier 2, 2013. http://www.theses.fr/2013MON20188/document.
Full textCCR5 and CXCR4 are the two HIV entry coreceptors used by the virus in addition to the main receptor CD4 in vivo to infect cells. R5 virions, that use CCR5 as a coreceptor to infect cells, are detected in most HIV patients. At late stages of infection and in about half of HIV infected persons, there is an emergence of X4 virions that use CXCR4 as a coreceptor, in addition to R5 virions. This emergence is associated with an increase in disease progression. The reasons for this R5 to X4 switch are poorly understood. The goal of my PhD work was to find new therapeutic strategies that target these coreceptors.The first part of this work compares the two CXCR4 isoforms as HIV coreceptors. Those two isoforms, CXCR4-A and CXCR4-B, differ by 9 amino acids at their NH2 terminal extremity as a consequence of an alternative splicing. We have shown that CXCR4-B isoform is more efficient as an HIV coreceptor but that those two variants are equivalent in terms of chemotaxis toward their common ligand SDF-1. Thus, we propose that by targeting specifically the B isoform that supports infection, via siRNA by example, it is possible to limit X4 development while keeping essential functions of this receptor. Our results also suggest that R5 infection increases CXCR4-B / CXCR4-A mRNA ratio in PBMC and that this ratio is in part responsible for R5 to X4 switch. Thus, targeting CXCR4-B isoform could be beneficial.The second part of this PhD thesis studies the effect on CCR5 coreceptor function of S1P1, another G protein-coupled receptor that enables lymphocytes egress from lymph nodes by chemotaxis toward its ligand S1P that is abundant in blood. We have shown that S1P1 physically interacts with CCR5 and blocks R5 virus entry. On the other hand, S1P1 activates post-entry steps of the viral cycle, in particular gene expression. The resulting effect is an increase in viral production by infected cells in vitro. We also showed that the use of FTY720, a S1P1 functional antagonist, decreases dendritic cell infection by R5 viruses in vitro, and in vivo infection in a SCID mouse model. The emphasis of CCR5 and S1P1 interactions opens new therapeutic strategies
Books on the topic "Virologie médicale"
1914-, Fenner Frank, ed. Medical virology. 4th ed. San Diego: Academic Press, 1994.
Find full textMammette, A. Virologie médicale: À l'usage des étudiants du 2e cycle. La Madeleine: Éditions C. et R, 1989.
Find full textWilson, Graham S. Sir, 1895-, Collier L. H. 1921-, Balows A, Sussman Max, and Topley, W. W. C. 1886-1944., eds. Topley & Wilson's microbiology and microbial infections. 9th ed. London: Arnold, 1998.
Find full textJ, Howard Barbara, ed. Clinical and pathogenic microbiology. 2nd ed. St. Louis: Mosby, 1994.
Find full textTopley, W. W. C. Topley & Wilson's Principles of bacteriology, virology and immunity. Edited by Parker M. T, Collier L. H. 1921-, and Wilson, Graham S. Sir, 1895-. 8th ed. Philadelphia: B.C. Decker, 1990.
Find full textJacques, Maurin, ed. Virologie médicale. Paris: Flammarion Médecine-sciences, 1985.
Find full textConference papers on the topic "Virologie médicale"
Ramos, Adinaura da Gama, Ana Lidia Coutinho dos Santos, Erizani Sampaio Araujo, Rosireno Alfaia Pureza, and Alda Do Socorro Cardoso Moraes. "IINTERVENÇÕES DE UMA EQUIPE DE SAÚDE DO TRABALHADOR EM TEMPOS DA COVID-19: RELATO DE EXPERIÊNCIA." In I Congresso Brasileiro de Saúde Pública On-line: Uma abordagem Multiprofissional. Revista Multidisciplinar em Saúde, 2022. http://dx.doi.org/10.51161/rems/3305.
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