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Interleukin 6 and tumor necrosis factor fully activate liver-specific gene expression of the alpha chain of
T Matsuguchi1, S Okamura, T Aso
1First Department of Internal Medicine, Faculty of Medicine, Kyushu University, Fukuoka, Japan.
Biochemistry International
|March 1, 1991
Abstract:
We investigated the gene expression of the alpha chain of C4b-binding protein (C4bp alpha) in a variety of tissues, and in liver cell and hepatoma lines. C4bp alpha mRNA was detected in the liver, but not in the other tissues examined. The constitutive gene expression of C4bp alpha by a hepatoma line, HepG2, was significantly augmented by treatment with monocyte-conditioned medium (MoCM), 12-O-tetradecanoylphorbol-13-acetate (TPA), interleukin-6 (IL6) and tumor necrosis factor (TNF) but not by a calcium ionophore (A23187) or interleukin-1 beta (IL1 beta).