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Stefano JT, Pereira IVA, Torres MM, Bida PM, Coelho AMM, Xerfan MP, Cogliati B, Barbeiro DF, Mazo DFC, Kubrusly MS, D'Albuquerque LAC, Souza HP, Carrilho FJ, Oliveira CP. Sorafenib prevents liver fibrosis in a non-alcoholic steatohepatitis (NASH) rodent model. ACTA ACUST UNITED AC 2015; 48:408-14. [PMID: 25714891 PMCID: PMC4445663 DOI: 10.1590/1414-431x20143962] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Accepted: 11/12/2014] [Indexed: 12/11/2022]
Abstract
Liver fibrosis occurring as an outcome of non-alcoholic steatohepatitis (NASH) can
precede the development of cirrhosis. We investigated the effects of sorafenib in
preventing liver fibrosis in a rodent model of NASH. Adult Sprague-Dawley rats were
fed a choline-deficient high-fat diet and exposed to diethylnitrosamine for 6 weeks.
The NASH group (n=10) received vehicle and the sorafenib group (n=10) received 2.5
mg·kg-1·day-1 by gavage. A control group (n=4) received only
standard diet and vehicle. Following treatment, animals were sacrificed and liver
tissue was collected for histologic examination, mRNA isolation, and analysis of
mitochondrial function. Genes related to fibrosis (MMP9,
TIMP1, TIMP2), oxidative stress
(HSP60, HSP90, GST), and
mitochondrial biogenesis (PGC1α) were evaluated by real-time
quantitative polymerase chain reaction (RT-qPCR). Liver mitochondrial oxidation
activity was measured by a polarographic method, and cytokines by enzyme-linked
immunosorbent assay (ELISA). Sorafenib treatment restored mitochondrial function and
reduced collagen deposition by nearly 63% compared to the NASH group. Sorafenib
upregulated PGC1α and MMP9 and reduced
TIMP1 and TIMP2 mRNA and IL-6 and IL-10 protein
expression. There were no differences in HSP60,
HSP90 and GST expression. Sorafenib modulated
PGC1α expression, improved mitochondrial respiration and
prevented collagen deposition. It may, therefore, be useful in the treatment of liver
fibrosis in NASH.
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Affiliation(s)
- J T Stefano
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - I V A Pereira
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M M Torres
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - P M Bida
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - A M M Coelho
- Disciplina de Transplante de Órgãos do Aparelho Digestivo (LIM-37), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M P Xerfan
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - B Cogliati
- Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, SP, Brasil
| | - D F Barbeiro
- Disciplina de Emergências Clínicas (LIM-51), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - D F C Mazo
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - M S Kubrusly
- Disciplina de Transplante de Órgãos do Aparelho Digestivo (LIM-37), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - L A C D'Albuquerque
- Disciplina de Transplante de Órgãos do Aparelho Digestivo (LIM-37), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - H P Souza
- Disciplina de Emergências Clínicas (LIM-51), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - F J Carrilho
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
| | - C P Oliveira
- Disciplina de Gastroenterologia Clínica (LIM-07), Faculdade de Medicina, Universidade de São Paulo, São Paulo, SP, Brasil
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