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- W2034882710 abstract "Background/Aims We have reported quantitative and qualitative differences in bone marrow (BM) progenitor cells in autoimmune hepatitis type-1 (AIH-1) and primary biliary cirrhosis (PBC). This study investigated the apoptotic features and cytokine suppressors of haematopoiesis in long-term cultures of BM mononuclear cells (BMMCs) from AIH-1 and PBC patients. Methods Apoptotic markers and CD14 expression were evaluated in 13 AIH-1 patients, 13 PBC patients, 12 cirrhotic controls and 10 healthy subjects. TNF-α, TGF-β and IFN-γ were determined using ELISAs. Results All apoptotic markers and CD14 were increased in AIH-1 and PBC compared to controls (P<0.0001). Fas+ cells were positively correlated (P=0.0001) with apoptotic cells in AIH-1 and PBC. TNF-α and IFN-γ were higher in AIH-1 (P=0.003 and P=0.001) and PBC (P=0.0001) compared to controls. No differences were found between the control groups. Conclusions We demonstrate for the first time that the apoptotic process, macrophage activation and the production of cytokine suppressors of haematopoiesis in BMMCs from AIH-1 and PBC patients are higher compared to controls. The Fas–FasL pathway is likely to be involved in the apoptotic process; the increased levels of selected cytokines may contribute to Fas–FasL stimulation. Cirrhosis appears unlikely to be the cause of the above findings. We have reported quantitative and qualitative differences in bone marrow (BM) progenitor cells in autoimmune hepatitis type-1 (AIH-1) and primary biliary cirrhosis (PBC). This study investigated the apoptotic features and cytokine suppressors of haematopoiesis in long-term cultures of BM mononuclear cells (BMMCs) from AIH-1 and PBC patients. Apoptotic markers and CD14 expression were evaluated in 13 AIH-1 patients, 13 PBC patients, 12 cirrhotic controls and 10 healthy subjects. TNF-α, TGF-β and IFN-γ were determined using ELISAs. All apoptotic markers and CD14 were increased in AIH-1 and PBC compared to controls (P<0.0001). Fas+ cells were positively correlated (P=0.0001) with apoptotic cells in AIH-1 and PBC. TNF-α and IFN-γ were higher in AIH-1 (P=0.003 and P=0.001) and PBC (P=0.0001) compared to controls. No differences were found between the control groups. We demonstrate for the first time that the apoptotic process, macrophage activation and the production of cytokine suppressors of haematopoiesis in BMMCs from AIH-1 and PBC patients are higher compared to controls. The Fas–FasL pathway is likely to be involved in the apoptotic process; the increased levels of selected cytokines may contribute to Fas–FasL stimulation. Cirrhosis appears unlikely to be the cause of the above findings." @default.
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- W2034882710 date "2005-03-01" @default.
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- W2034882710 title "Markers of cell activation and apoptosis in bone marrow mononuclear cells of patients with autoimmune hepatitis type 1 and primary biliary cirrhosis" @default.
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- W2034882710 doi "https://doi.org/10.1016/j.jhep.2004.11.023" @default.
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