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Artigo
Yellow fever virus modulates cytokine mRNA expression and induces activation of caspase 3/7 in the human hepatocarcinoma cell line HepG2
Yellow fever virus (YFV) penetrates the skin through the bite of a vector mosquito and spreads to various organs, mainly the liver, where it causes lesions and induces necrosis and apoptosis. We evaluated the mRNA expression of various cytokines and the activation of caspases in HepG2 cells infected...
Autor principal: | Holanda, Gustavo Moraes |
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Outros Autores: | Casseb, Samir Mansour Moraes, Quaresma, Juarez Antonio Sim?es, Vasconcelos, Pedro Fernando da Costa, cruz, Ana Cec?lia Ribeiro |
Grau: | Artigo |
Idioma: | eng |
Publicado em: |
Springer Verlag
2019
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Assuntos: | |
Acesso em linha: |
http://patua.iec.gov.br//handle/iec/3609 |
Resumo: |
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Yellow fever virus (YFV) penetrates the skin through the bite of a vector mosquito and spreads to various organs, mainly the liver, where it causes lesions and induces necrosis and apoptosis. We evaluated the mRNA expression of various cytokines and the activation of caspases in HepG2 cells infected with YFV. We observed that interferon-? (IFN-?) expression decreased and IFN-?, transforming growth factor (TGF)-? IIIR, interleukin (IL)-6, and IL-8 expression increased in cells infected with genotype 1. In contrast, TNF-? expression increased in cells infected with genotype 2 but not with genotype 1. This provides insights into the role of cytokine regulation in yellow fever. |