O hepatocarcinoma na infecção do HBV é controlado pelo uso de entecavir, interferon e tenofovir: supressão viral e restauração da descompensação hepática

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Marcos Daniel Mendes Padilha
Francisco Tiago de Vasconcelos Melo
Rogério Valois Laurentino
Jacqueline Cortinhas Monteiro
Andrea Nazaré Monteiro Rangel da Silva
Fabiola Santos da Silva Matos
Vitória Beatriz de Jesus Viana
João Lukas Nunes Almeida
Janete Silvana Souza Gonçalves
Rosimar Neris Martins Feitosa

Resumo

Objetivo: Elucidar como as terapias com interferons e análogos de nucleotídeos em pacientes infectados pelo vírus da hepatite B ocasionam a reversão de cirrose hepática e hepatocarcinoma. Revisão bibliográfica: O entecavir demonstrou benefícios virológicos e bioquímicos, reduzindo a incidência de mutações resistentes aos medicamentos, sendo associado a um risco menor de óbito. Os interferons (IFNs) têm sido usados para tratar hepatite B/C crônica, IFNs induzem a expressão de APOBEC3G, com ativação do STAT3 inibindo o HBV, complexos desses IFNs ativam o transdutor de sinal da quinase ativada por Janus (JAK) e o ativador da via de transcrição (STAT), levando a expressão de genes estimulados por IFN (ISGs). Estudos com tenofovir para hepatite B sugerem que ele reverte a fibrose hepática, o tenofovir é hidrolisado pelas esterases intestinais e plasmáticas, sendo metabolizado principalmente intracelularmente pela catepsina A. Considerações finais: Os IFNs ativam células do sistema imunológico responsáveis pela resposta antiviral, o entecavir atua como terminador de cadeia de DNA do HBV e o tenofovir está associado a reversão da fibrose hepática e restauração da função renal.

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Como Citar
PadilhaM. D. M., MeloF. T. de V., LaurentinoR. V., MonteiroJ. C., SilvaA. N. M. R. da, MatosF. S. da S., VianaV. B. de J., AlmeidaJ. L. N., GonçalvesJ. S. S., & FeitosaR. N. M. (2024). O hepatocarcinoma na infecção do HBV é controlado pelo uso de entecavir, interferon e tenofovir: supressão viral e restauração da descompensação hepática. Revista Eletrônica Acervo Científico, 47, e16415. https://doi.org/10.25248/reac.e16415.2024
Seção
Artigos

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