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000134804.pdf: 2170606 bytes, checksum: a9bb17090b4e19e238785aceaee3fa1d (MD5) / O presente estudo teve como objetivo a produção de um anticorpo monoclonalreativo com leveduras do gênero Candida. Esplenócitos de camundongosBALB/c previamente imunizados com Candidaforam fusionados in vitro comcélulas de mieloma Sp2-0Ag14 e os híbridos resultantes mantidos em cultura a37°C com 5% de C02. Os sobrenadantes das células em crescimento foram testados por ELISA para a produção de anticorpos. Os pontos positivos {0,29%)foram clonados para obter-se o anticorpo monoclonal e posteriormenteexpandidos in vivo emperitônio de camundongo. O anticorpo produzido peloclone foi purificado e isotipado. O anticorpo monoclonal foi denominado 76C e éuma lgMK. O 76C é dirigido para um epítopo de mananoproteína da paredecelular de Candida, cuja natureza ainda não foi completamente elucidada. Oanticorpo 76C foi analisado por DOT SLOT contra diferentes cepas de Candidareagindo positivamente com 87,5% das amostras testadas. O anticorpomonoclonal (76C) será uma ferramenta útil no estudo sorológico de pacientescom candidose invasiva. / The aim of this study was to obtain a reactive monoclonal antibody against Candida albicans. Spleen celIs of BALB/c mice previously immunized withCandida were fused in vitro with mielorna cells Sp2-0Ag14. The resultant hybridcells were kept in culture medium at 5% C02.The suspension growing cells were tested by ELISA to check the antibodies titer. The positive colonies were cloned to achieve the monoclonal antibody and further expanded in mice peritoneum. The antibody produced was purified and isotope. The monoclonal antibody was denominated 76C. The 76C was directed against mannoprotein molecules from Candida cell surface, which has not yet been completely investigated to find outlhe specific nature of epitope. The antibody 76C was analyzed by DOT BLOTagainst different Candida species and there were positives results in 87,5% of the tested samples_ The monoclonal antibody 76C will be a useful tool to investigate oligomannoside epitope from mannan and could be applied in sera diagnosis in invasive candidiasis and in studies of glicidic epitope.
| Identifer | oai:union.ndltd.org:IBICT/oai:repositorio.unesp.br:11449/110738 |
| Date | 05 June 2001 |
| Creators | Moreira, Daniella [UNESP] |
| Contributors | Universidade Estadual Paulista (UNESP), Unterkircher, Carmelinda Schmidt [UNESP] |
| Publisher | Universidade Estadual Paulista (UNESP) |
| Source Sets | IBICT Brazilian ETDs |
| Language | Portuguese |
| Detected Language | English |
| Type | info:eu-repo/semantics/publishedVersion, info:eu-repo/semantics/doctoralThesis |
| Format | 94 f. : il. |
| Source | Aleph, reponame:Repositório Institucional da UNESP, instname:Universidade Estadual Paulista, instacron:UNESP |
| Rights | info:eu-repo/semantics/openAccess |
| Relation | -1, -1 |
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