Bovine herpesviruses induce different cell death forms in neuronal and glial-derived tumor cell cultures

Autor: Eduardo Furtado Flores, Helena Lage Ferreira, Ana Carolina G. Rosa, Bruna R. S. M. Oliveira, Flávia Vieira, Lucas Hidenori Okamura, Camila Silva-Frade, Roberto Gameiro, Tereza C. Cardoso
Přispěvatelé: Universidade Estadual Paulista (Unesp), Universidade de São Paulo (USP), Universidade Federal de Sergipe (UFS)
Rok vydání: 2016
Předmět:
Zdroj: Repositório Institucional da USP (Biblioteca Digital da Produção Intelectual)
Universidade de São Paulo (USP)
instacron:USP
Web of Science
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
ISSN: 1538-2443
1355-0284
Popis: Made available in DSpace on 2018-11-26T15:37:32Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-12-01 Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) Oncolytic viruses have the ability to infect tumor cells and leave healthy cells intact. In this study, bovine herpesvirus 1 (BHV1; Los Angeles, Cooper, and SV56/90 strains) and bovine herpesvirus 5 (BHV5; SV507/99 and GU9457818 strains) were used to infect two neuronal tumor cell lineages: neuro2a (mouse neuroblastoma cells) and C6 (rat glial cells). BHV1 and BHV5 strains infected both cell lines and positively correlated with viral antigen detection (p < 0.005). When neuro2a cells were infected by Los Angeles, SV507/99, and GU9457818 strains, 40 % of infected cells were under early apoptosis and necroptosis pathways. Infected C6 cells were > 40 % in necroptosis phase when infected by BHV5 (GU9457818 strain). Blocking caspase activation did not interfere with cell death. However, when necroptosis was blocked, 60-80 % of both infected cells with either virus switched to early apoptosis pathway with no interference with virus replication. Moreover, reactive oxygen species production and mitochondrial membrane dysfunction were detected at high levels in both infected cell lines. In spite of apoptosis and necroptosis blockage, tumor necrosis factor alpha (TNFA) and virus transcription were positively correlated for all viral strains studied. Thus, these results contribute to the characterization of BHV1 and BHV5 as potential oncolytic viruses for non-human cells. Nonetheless, the mechanisms underlying their oncolytic activity in human cells are still to be determined. Univ Estadual Paulista, DAPSA Dept, Lab Anim Virol & Cell Culture, BR-16050680 Sao Paulo, Brazil FZEA USP, Dept Med Vet, Ave Duque Caxias Norte 225, BR-13635900 Pirassununga, SP, Brazil Univ Fed Santa Maria, Virol Sect, BR-97115900 Santa Maria, RS, Brazil Univ Estadual Paulista, DAPSA Dept, Lab Anim Virol & Cell Culture, BR-16050680 Sao Paulo, Brazil FAPESP: 2012/16715-4 CNPq: 500063/2014-1
Databáze: OpenAIRE