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J Yuan U M Wegenka C Lütticken J Buschmann T Decker C Schindler P C Heinrich F Horn 《Molecular and cellular biology》1994,14(3):1657-1668
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A nuclear factor for IL-6 expression (NF-IL6) is a member of a C/EBP family. 总被引:165,自引:11,他引:154
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S Akira H Isshiki T Sugita O Tanabe S Kinoshita Y Nishio T Nakajima T Hirano T Kishimoto 《The EMBO journal》1990,9(6):1897-1906
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During inflammatory states, hepatocytes are induced to synthesize and secrete a group of proteins called acute-phase proteins. It has recently been shown that besides interleukin-6 (IL-6), related cytokines such as leukemia inhibitory factor, oncostation M and interleukin-11 are also mediators of the hepatic acute-phase response. All these mediators belong to the hematopoietic family of alpha-helical cytokines. Here we show that an additional member of this cytokine family, ciliary neurotrophic factor (CNTF), induces the hepatic acute-phase protein genes haptoglobin, alpha 1-antichymotrypsin, alpha 2-macroglobulin and beta-fibrinogen in human hepatoma cells (HepG2) and in primary rat hepatocytes with a time course and dose-response comparable with that of IL-6. Our next aim was to define the receptor components used by CNTF on hepatic cells. Using a cell-free binding assay we exclude that CNTF binds to the 80 kDa IL-6 receptor, a protein with significant homology to the CNTF receptor which has recently been cloned from neuroblastoma cells. In human hepatoma cells (Hep3B) which lack the leukemia inhibitory factor receptor, CNTF was not able to induce acute-phase protein synthesis, indicating that this receptor protein may be part of the functional CNTF receptor on hepatic cells. 相似文献
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