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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Clima Temperado. |
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Data corrente: |
17/07/2012 |
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Data da última atualização: |
07/10/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
MONTE, L. G.; CONCEIÇÃO, F. R.; COUTINHO, M. L.; SEIXAS, F. K.; SILVA, E. V. da; VASCONCELLOS, F. A.; CASTRO, L. A. S. de; HARTLEBEN, C. P.; DELLAGOSTIN, O. A.; ALEIXO, J. A. G. |
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Afiliação: |
LEONARDO G. MONTE, UFPel; FABRICIO, R. CONCEIÇÃO, UFPel; MARIANA L. COUTINHO, UFPel; FABIANA K. SEIXAS, UFPel; EVERTON F. da SILVA, UFPel; FLÁVIA A. VASCONCELLOS, UFPel; LUIS ANTONIO SUITA DE CASTRO, CPACT; CLÁUDIA P. HARTLEBEN, UFPel; ODIR A. DELLAGOSTIN, UFPel; JOSÉ A. G. ALEIXO, UFPel. |
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Título: |
Monoclonal antibodies against the leptospiral immunoglobulin-like proteins A and B conserved regions. |
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Ano de publicação: |
2011 |
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Fonte/Imprenta: |
Comparative Immunology, Microbiology and Infectious Diseases, v. 34, n. 5, p. 441-446, set. 2011. |
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ISSN: |
0147-9571 |
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DOI: |
https://doi.org/10.1016/j.cimid.2011.08.003 |
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Idioma: |
Inglês |
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Conteúdo: |
Leptospirosis is an infectious disease caused by pathogenic spirochetes of the genus Leptospira that affects humans and a wide variety of animals. Recently the genomes of Leptospira interrogans, Leptospira borgpetersenii and Leptospira biflexa species were sequenced allowing the identification of new virulence factors involved in survival and pathogenesis of bacteria. LigA and LigB are surface-exposed bacterial adhesins whose expression is correlated with the virulence of Leptospira strains. In this study, we produced and characterized five monoclonal antibodies (MAbs) against a recombinant fragment of LigB (rLigBrep) with approximately 54 kDa that comprise the portions of LigA and LigB (domains 2?7). The 5 MAbs obtained were of the IgG1 (2) and IgG2b (3) isotypes and their affinity constants for rLigBrep ranged from 7 × 107M−1 to 4 × 108M−1. The MAbs were able to react with the native antigen on the L. interrogans, L. borgpetersenii and Leptospira noguchii surfaces by indirect immunofluorescence, immunoblotting and immunoelectron microscopy. These results demonstrate that the MAbs anti-rLigBrep can be useful to complement genetic studies and to aid studies aiming understanding the role of Lig proteins in Leptospira pathogenesis and the development of Lig-based vaccines and improved diagnostic tests for leptospirosis. |
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Palavras-Chave: |
Monoclonal. |
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Thesagro: |
Anticorpo Monoclonal; Leptospirose. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/212910/1/12-Artigo-LeonardoMonte-Medicina-Veterinaria-A1.pdf
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Marc: |
LEADER 02283naa a2200289 a 4500
001 1928502
005 2021-10-07
008 2011 bl uuuu u00u1 u #d
022 $a0147-9571
024 7 $ahttps://doi.org/10.1016/j.cimid.2011.08.003$2DOI
100 1 $aMONTE, L. G.
245 $aMonoclonal antibodies against the leptospiral immunoglobulin-like proteins A and B conserved regions.$h[electronic resource]
260 $c2011
520 $aLeptospirosis is an infectious disease caused by pathogenic spirochetes of the genus Leptospira that affects humans and a wide variety of animals. Recently the genomes of Leptospira interrogans, Leptospira borgpetersenii and Leptospira biflexa species were sequenced allowing the identification of new virulence factors involved in survival and pathogenesis of bacteria. LigA and LigB are surface-exposed bacterial adhesins whose expression is correlated with the virulence of Leptospira strains. In this study, we produced and characterized five monoclonal antibodies (MAbs) against a recombinant fragment of LigB (rLigBrep) with approximately 54 kDa that comprise the portions of LigA and LigB (domains 2?7). The 5 MAbs obtained were of the IgG1 (2) and IgG2b (3) isotypes and their affinity constants for rLigBrep ranged from 7 × 107M−1 to 4 × 108M−1. The MAbs were able to react with the native antigen on the L. interrogans, L. borgpetersenii and Leptospira noguchii surfaces by indirect immunofluorescence, immunoblotting and immunoelectron microscopy. These results demonstrate that the MAbs anti-rLigBrep can be useful to complement genetic studies and to aid studies aiming understanding the role of Lig proteins in Leptospira pathogenesis and the development of Lig-based vaccines and improved diagnostic tests for leptospirosis.
650 $aAnticorpo Monoclonal
650 $aLeptospirose
653 $aMonoclonal
700 1 $aCONCEIÇÃO, F. R.
700 1 $aCOUTINHO, M. L.
700 1 $aSEIXAS, F. K.
700 1 $aSILVA, E. V. da
700 1 $aVASCONCELLOS, F. A.
700 1 $aCASTRO, L. A. S. de
700 1 $aHARTLEBEN, C. P.
700 1 $aDELLAGOSTIN, O. A.
700 1 $aALEIXO, J. A. G.
773 $tComparative Immunology, Microbiology and Infectious Diseases$gv. 34, n. 5, p. 441-446, set. 2011.
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Embrapa Clima Temperado (CPACT) |
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