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Registros recuperados: 11
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Antibodies to V3 loop peptides derived from chimpanzee lentiviruses and the divergent HIV-1 ANT-70 isolate in human sera from different geographic regions IRD
Peeters, Martine; Nkengasong, J.; Willems, B.; Karita, E.; Delaporte, Eric; Van den Haesevelde, M.; Piot, P.; Van der Groen, G..
Tipo: Text Palavras-chave: SIDA; ANTICORPS; SEROLOGIE; ETUDE REGIONALE; RETROVIRUS; DIVERSITE GENETIQUE; PEPTIDE V3; VIRUS HIV-1; SIV.VIRUS IMMUNODEFICIENCE SIMIENNE.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:41551
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Comparative evaluation of three assays for the quantitation of human immunodeficiency virus type 1 RNA in plasma IRD
Coste, J.; Montes, B.; Reynes, J.; Peeters, Martine; Segarra, C.; Vendrell, J.P.; Delaporte, Eric; Segondy, M..
Reverse transcriptase-coupled polymerase chain reaction (Amplicor HIV-1 Monitor), the branched DNA (bDNA) method (Quantiplex HIV-1 RNA) and the nucleic acid sequence-based assay (NASBA HIV-1 RNA QT) were comparatively evaluated for the quantitation of human immunodeficiency virus type 1 (HIV-1) RNA in plasma. Among 60 plasma specimens from HIV-1 infected patients, HIV-1 RNA was detected in 56 by Amplicor (sensitivity, 93.3 %), in 41 by bDNA (sensitivity, 68.3 %), and in 60 by NASBA (sensitivity, 100 %). HIV-1 RNA was not detected by any of these methods in 34/34 plasma specimens from HIV-1-seronegative blood donors (specificity, 100 %). The HIV-1 RNA levels as determined by the different methods were correlated significantly. The frequency of concordant...
Tipo: Text Palavras-chave: SIDA; VIRUS; ARN; METHODE D'ANALYSE; ETUDE COMPARATIVE; VIH-1.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010014418
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Elaboration et évaluation d'algorithmes de dépistage des MST chez la femme enceinte à Libreville, Gabon IRD
Bourgeois, A.; Henzel, D.; Dibanga, G.; Ndong Minko, N.; Peeters, Martine; Coulaud, J.P.; Fransen, L.; Delaporte, Eric.
La lutte contre les MST constitue une priorité de santé publique des pays en développement de par leurs complications propres, en particulier chez la femme, et de par leur rôle facilitant la transmission du VIH. Une des stratégies de lutte contre les MST est le diagnostic et le traitement précoces de ces infections. Les MST, en particulier les infections à gonocoques et à #Chlamydiae trachomatis$ sont d'un diagnostic difficile chez la femme en l'absence d'examens complémentaires, ceux-ci faisant souvent défaut au niveau des structures de soins de santé primaire. Dans ce contexte, l'approche syndromique, basée sur la prise en compte de signes et symptômes, peut permettre de standardiser et d'améliorer la prise en charge des patientes. Une étude de...
Tipo: Text Palavras-chave: EPIDEMIOLOGIE; DEPISTAGE; DIAGNOSTIC; SIDA; GROSSESSE; ALGORITHME; MALADIE SEXUELLEMENT TRANSMISSIBLE; FACTEUR DE RISQUE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010005805
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Epidemiological and molecular characteristics of HIV infection in Gabon, 1986-1994 IRD
Delaporte, Eric; Janssens, W.; Peeters, Martine; Buvé, A.; Dibanga, G.; Perret, J.L.; Ditsambou, V.; Mba, J.R.; Georges Courbot, M.C.; Georges, A.; Bourgeois, A.; Samb, Badara; Henzel, D.; Heyndrickx, L.; Fransen, K.; Van der Groen, G.; Larouzé, B..
Tipo: Text Palavras-chave: SIDA; AGENT PATHOGENE; EPIDEMIOLOGIE; PREVALENCE; SEROLOGIE; POLYMORPHISME GENETIQUE; VIRUS HIV-1.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010006540
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Faible taux de survenue de souches VIH-1 résistantes aux ARV chez des patients sous traitement antirétroviral au Sénégal IRD
Touré Kane, N.C.; Vergne, Laurence; Laurent, Christian; Diakhaté, N.; Ngom Gueye, N.F.; Gueye, P.M.; Diouf, M.; Sow, P.S.; Faye, M.A.; Liégeois, Florian; Ndir, A.; Peeters, Martine; Ndoye, I.; Mboup, S.; Delaporte, Eric.
Tipo: Text Palavras-chave: SIDA; VIRUS; DIVERSITE GENETIQUE; PREVALENCE; TRAITEMENT MEDICAL; MEDICAMENT; SENSIBILITE RESISTANCE; EFFICACITE; SURVEILLANCE EPIDEMIOLOGIQUE; ANALYSE DE COHORTES; VIH 1; ACCES AUX SOINS.
Ano: 2002 URL: http://www.documentation.ird.fr/hor/fdi:010030333
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Genetic and phylogenetic analysis of env subtypes G and H in Central Africa IRD
Janssens, W.; Heyndrickx, L.; Fransen, K.; Motte, J.; Peeters, Martine; Nkengasong, J.N.; Ndumbe, P.M.; Delaporte, Eric; Perret, J.L.; Atende, C.; Piot, P.; Van der Groen, G..
Tipo: Text Palavras-chave: SIDA; VIRUS; PHYLOGENIE; ANALYSE GENETIQUE; PEPTIDE V3.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:010019143
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Mother-to-child transmission of human T-cell lymphotropic virus types I and II (HTLV-I/II) in Gabon : a prospective follow-up of 4 years IRD
Nyambi, P.N.; Ville, Y.; Louwagie, J.; Bedjabaga, I.; Glowaczower, E.; Peeters, Martine; Kerouedan, D.; Dazza, M.C.; Larouzé, B.; Van der Groen, G.; Delaporte, Eric.
For 4 years, we determined the mode and risk of mother-to-child transmission of HTLV-I in a prospective cohort of 34 children born to seropositive mothers in Franceville, Gabon. We also determined the prevalence of antibodies to HTLV-I/II in siblings born to seropositive mothers. Antibodies to HTLV-I/II were detected by Western blot, and the proviral DNA was detected by the polymerase chain reaction (PCR). The risk of seroconversion to anti-HTLV-I for the 4 years of follow-yp was 17.5 %. Anti-HTLV-I/II and proviral DNA were only detected after age 18 months. We observed a seroprevalence rate of 15 % among the siblings born to HTLV-I/II seropositive mothers. Furthermore, we report a case of mother-to-child transmission of HTLV-II infection in a population...
Tipo: Text Palavras-chave: SIDA; GROSSESSE; EPIDEMIOLOGIE; TRANSMISSION; FOETUS; NOURRISSON; SEROLOGIE; ADN; LEUCEMIE; LYMPHOME; VIRUS HTLV-1; VIRUS HTLV-2; PCR. POLYMERASE CHAIN REACTION.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010006219
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Phylogenetic analysis of a new chimpanzee lentivirus SIVcpz-gab2 from a wild-captured chimpanzee from Gabon IRD
Janssens, W.; Fransen, K.; Peeters, Martine; Heyndrickx, L.; Motte, J.; Bedjabaga, L.; Delaporte, Eric; Piot, P.; Van den Groen, G..
Tipo: Text Palavras-chave: SIDA; VIRUS; SINGE; PHYLOGENIE; TAXONOMIE; GENE; DISTANCE GENETIQUE; GENE POL.
Ano: 1994 URL: http://www.documentation.ird.fr/hor/fdi:010019283
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Presence of HIV-1 group O infection in West Africa IRD
Peeters, Martine; Gaye, A.; Mboup, S.; Badombena, W.; Bassabi, K.; Prince-David, M.; Develoux, M.; Liégeois, F.; Van der Groen, G.; Saman, E.; Delaporte, Eric.
Tipo: Text Palavras-chave: SIDA; EPIDEMIOLOGIE; SEROLOGIE; PREVALENCE; ANTICORPS; DEPISTAGE; VIRUS HIV-1 GROUPE O.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010004513
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Reduced capacity of antibodies from patients infected with human immunodeficiency virus type 1 (HIV-1) group O to neutralize primary isolates of HIV-1 group M viruses IRD
Nyambi, P.N.; Nkengasong, J.; Peeters, Martine; Simon, F.; Eberle, J.; Janssens, Wouter; Fransen, K.; Willems, B.; Vereecken, K.; Heyndrickx, L.; Piot, P.; Van der Groen, G..
Tipo: Text Palavras-chave: SIDA; SEROLOGIE; ANTICORPS; IMMUNOLOGIE; ANTIGENE; NEUTRALISATION; VIRUS HIV-1 GROUPE M; VIRUS HIV-1 GROUPE O.
Ano: 1995 URL: http://www.documentation.ird.fr/hor/fdi:010004255
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Sequence analysis of a highly divergent HIV-1 related lentivirus isolated from a wild captured chimpanzee IRD
Vanden Haesevelde, M.M.; Peeters, Martine; Jannes, G.; Janssens, W.; Van der Groen, G.; Sharp, P.M.; Saman, E..
Two strains of simian immunodeficiency viruses (SIV) isolated from chimpanzees (SIVCPZ-GAB and SIVCPZ-GAB2) originating from Gabon have previously been genetically characterized and shown to belong phylogenetically to the same lineage as the human immunodeficiency virus type 1 (HIV-1). We describe the sequence analysis of a third HIV-1 related virus, SIVCPZ-ANT, isolated from a wild captured chimpanzee originating from Zaire. This virus displayed the same genetic organization as HIV-1 and was found to fall on the same lineage as HIV-1 and SIVCPZ-GAB. Protein sequence identity with SIVCPZ-GAB ranged from 72% (Pol) to 48% (Env) for the structural proteins, while a particularly divergent Vpu was found (only 25% identity to SIVCPZ-GAB). The V3 regions of the...
Tipo: Text Palavras-chave: SIDA; VIRUS; PRIMATE; SINGE; PHYLOGENIE; GENOME; ANALYSE GENETIQUE; SIV.VIRUS IMMUNODEFICIENCE SIMIENNE.
Ano: 1996 URL: http://www.documentation.ird.fr/hor/fdi:010019141
Registros recuperados: 11
Primeira ... 1 ... Última
 

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