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Herpesvirus bovino: aspectos da interação vírus-hospedeiro

Authors: Baptistiolli, Lillian;

Herpesvirus bovino: aspectos da interação vírus-hospedeiro

Abstract

O Brasil é o segundo maior produtor mundial de carne bovina. Entretanto diversas patologias podem acometer o rebanho bovino e causar significativas perdas econômicas. Diante deste cenário, a infecção por Herpesvirus bovino 5 (BHV5) possui grande importância epidemiológica neste setor, sendo o BHV5 conhecido pelo desenvolvimento de meningoencefalite. Esse vírus possui como características a rápida replicação lítica em cultura de células e a capacidade de estabelecer latência nos gânglios sensoriais do hospedeiro. Assim, essa cepa viral está relacionada à habilidade do BHV5 de invadir, replicar-se no sistema nervoso central (SNC) e causar enfermidade neurológica. É de conhecimento científico que infecções virais estimulam ou inibem a resposta imunológica com objetivo de impedir a replicação e disseminação viral. Entretanto, pouco se sabe sobre o desenvolvimento da resposta imunológica do BHV5 no curso da infecção aguda ou latente. Assim, muitos conceitos sobre a patogênese do BHV5 acabam sendo extrapolados do Herpesvirus bovino 1 (BHV1). Diante deste contexto, faz-se necessário a busca pelo conhecimento da relação entre os vírus e as células de defesa do hospedeiro. Esses achados irão contribuir para um melhor entendimento da patogênese da doença, bem como para o possível desenvolvimento de vacinas mais específicas e eficazes.

Brazil is the second largest producer of beef in the world. However several pathologies can affect the bovine herd and cause significant economic losses. In view of this scenario, bovine herpesvirus 5 infection (BHV5) is of great epidemiological importance in this sector, and BHV5 is known for the development of meningoencephalitis. This virus is characterized by rapid lytic replication in cell culture and the ability to establish latency in host sensory ganglia. Thus, this viral strain is related to the ability of BHV5 to invade, replicate in the central nervous system (CNS) and cause neurological disease. It is scientifically known that viral infections stimulate or inhibit the immune response in order to prevent viral replication and dissemination. However little is known about the development of the BHV5 immune response in the course of acute or latent infection. Thus, many concepts about the pathogenesis of BHV5 end up being extrapolated from bovine herpesvirus 1 (BHV1). In this context, it is necessary to search for knowledge about the relationship between viruses and host defense cells. These findings will contribute to a better understanding of the pathogenesis of the disease, as well as to the development of more specific and effective vaccines.

Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)

Pós-graduação em Ciência Animal - FMVA

Country
Brazil
Keywords

cell culture techniques, citometria de fluxo, técnicas de cultura células, flow cytometry, polymerase chain reaction, potencial da membrana mitocondrial, reação em cadeia da polimerase, Herpesviridae, membrane potential mitochondrial

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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Average
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