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2.
BMC Immunol ; 13: 42, 2012 Aug 06.
Artigo em Inglês | MEDLINE | ID: mdl-22866973

RESUMO

BACKGROUND: The development of ascites in cirrhotic patients generally heralds a deterioration in their clinical status. A differential gene expression profile between alcohol- and hepatitis C virus (HCV)-related cirrhosis has been described from liver biopsies, especially those associated with innate immune responses. The aim of this work was to identify functional differences in the inflammatory profile of monocyte-derived macrophages from ascites in cirrhotic patients of different etiologies in an attempt to extrapolate studies from liver biopsies to immune cells in ascites. To this end 45 patients with cirrhosis and non-infected ascites, distributed according to disease etiology, HCV (n=15) or alcohol (n=30) were studied. Cytokines and the cell content in ascites were assessed by ELISA and flow cytometry, respectively. Cytokines and ERK phosphorylation in peritoneal monocyte-derived macrophages isolated and stimulated in vitro were also determined. RESULTS: A different pattern of leukocyte migration to the peritoneal cavity and differences in the primed status of macrophages in cirrhosis were observed depending on the viral or alcoholic etiology. Whereas no differences in peripheral blood cell subpopulations could be observed, T lymphocyte, monocyte and polymorphonuclear cell populations in ascites were more abundant in the HCV than the alcohol etiology. HCV-related cirrhosis etiology was associated with a decreased inflammatory profile in ascites compared with the alcoholic etiology. Higher levels of IL-10 and lower levels of IL-6 and IL-12 were observed in ascitic fluid from the HCV group. Isolated peritoneal monocyte-derived macrophages maintained their primed status in vitro throughout the 24 h culture period. The level of ERK1/2 phosphorylation was higher in ALC peritoneal macrophages at baseline than in HCV patients, although the addition of LPS induced a greater increase in ERK1/2 phosphorylation in HCV than in ALC patients. CONCLUSIONS: The macrophage inflammatory status is higher in ascites of alcohol-related cirrhotic patients than in HCV-related patients, which could be related with differences in bacterial translocation episodes or regulatory T cell populations. These findings should contribute to identifying potential prognostic and/or therapeutic targets for chronic liver diseases of different etiology.


Assuntos
Hepatite C/enzimologia , Hepatite C/virologia , Inflamação/patologia , Cirrose Hepática Alcoólica/enzimologia , Cirrose Hepática Alcoólica/imunologia , Macrófagos Peritoneais/imunologia , Macrófagos Peritoneais/patologia , Ascite/imunologia , Ascite/patologia , Separação Celular , Citocinas/metabolismo , Feminino , Hepatite C/complicações , Hepatite C/imunologia , Humanos , Inflamação/complicações , Inflamação/imunologia , Mediadores da Inflamação/metabolismo , Contagem de Leucócitos , Cirrose Hepática Alcoólica/complicações , Cirrose Hepática Alcoólica/patologia , Macrófagos Peritoneais/microbiologia , Masculino , Pessoa de Meia-Idade , Monócitos/patologia , Fosforilação
6.
Rev Esp Enferm Dig ; 104(2): 94-7, 2012 Feb.
Artigo em Inglês | MEDLINE | ID: mdl-22372805

RESUMO

Hepatoportal sclerosis (HPS) is characterized by presinusoidal intrahepatic portal hypertension associated with splenomegaly and anemia in patients with non-cirrhotic liver. Liver biopsy is essential, especially to rule out other processes. Being a disease of unknown etiology, the majority of cases have been described in eastern countries. However, it may be an underdiagnosed disease in the West. Symptoms are related to portal hypertension and the clinical spectrum is wide, ranging from anemia with normal liver function tests to bleeding due to esophageal varices. Treatment is directed to the complications and the prognosis is better than in patients with cirrhosis.We report three cases of HPS presenting at different clinical stages and the findings of liver biopsies, the clinical outcomes and a review of scientific literature.


Assuntos
Hipertensão Portal/diagnóstico , Cirrose Hepática/diagnóstico , Pancitopenia/diagnóstico , Esplenomegalia/diagnóstico , Adulto , Biópsia , Humanos , Hipertensão Portal/patologia , Fígado/patologia , Cirrose Hepática/patologia , Masculino , Pessoa de Meia-Idade , Pancitopenia/patologia , Esplenomegalia/patologia , Hipertensão Portal não Cirrótica Idiopática
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