Data/hora: 17/06/2024 09:35:22

Biblioteca(s): | Embrapa Suínos e Aves.
Tipo da produção científica: | Artigo em Periódico Indexado
Circulação/Nível: | A - 2
Data corrente: | 04/11/2019
Data da última atualização: | 04/11/2019
Autoria: | SOUZA, A. R. de; YAMIN, M.; GAVA, D.; ZANELLA, J. R. C.; GATTI, M. S. V.; BONAFE, C. S. F.; LIMA NETO, D. F. de.
Afiliação: | ANCELMO RABELO DE SOUZA, UNICAMP; MARRIAM YAMIN, UNICAMP; DANIELLE GAVA, CNPSA; JANICE REIS CIACCI ZANELLA, CNPSA; MARIA SILVIA VICCARI GATTI, UNICAMP; CARLOS FRANCISCO SAMPAIO BONAFE, UNICAMP; DANIEL FERREIRA DE LIMA NETO, UNICAMP.
Título: | Porcine parvovirus VP1/VP2 on a time series epitope mapping: exploring the effects of high hydrostatic pressure on the immune recognition of antigens.
Ano de publicação: | 2019
Fonte/Imprenta: | Virology Journal, v. 16, art. 75, 2019.
DOI: | 10.1186/s12985-019-1165-1
Idioma: | Inglês
Conteúdo: | Abstract: Porcine parvovirus (PPV) is a DNA virus that causes reproductive failure in gilts and sows, resulting in embryonic and fetal losses worldwide. Epitope mapping of PPV is important for eveloping new vaccines. In this study, we used spot synthesis analysis for epitope mapping of the capsid proteins of PPV (NADL-2 strain) and correlated the findings with predictive data from immunoinformatics. The virus was exposed to three conditions prior to inoculation in pigs: native (untreated), high hydrostatic pressure (350 MPa for 1 h) at room temperature and high hydrostatic pressure (350 MPa for 1 h) at &#8722; 18 °C, and was compared with a commercial vaccine produced using inactivated PPV. The screening of serum samples detected 44 positive spots corresponding to 20 antigenic sites. Each type of inoculated antigen elicited a distinct epitope set. In silico prediction located linear and discontinuous epitopes in B cells that coincided with several epitopes detected in spot synthesis of sera from pigs that received different preparations of inoculum. The conditions tested elicited antibodies against the VP1/VP2 antigen that differed in relation to the response time and the profile of structurally available regions that were recognized.
Palavras-Chave: | Epitope prediction; Porcine parvovirus; Spot synthesis.
Thesagro: | Parvovirose; Suinocultura; Virologia.
Thesaurus Nal: | Epitope mapping; Ungulate protoparvovirus 1.
Categoria do assunto: | --
URL: | http://ainfo.cnptia.embrapa.br/digital/bitstream/item/204209/1/final9080.pdf
Registro original: | Embrapa Suínos e Aves (CNPSA)
Exemplares: | CNPSA - (21682-1) - UPC - AP - DD -  -  -  - DIS