Jun 1, 1977

Production of alpha-fetoprotein by cultured rat ascites hepatoma cells determined in vivo as alpha-fetoprotein-negative

Gann = Gan
H IsakaM Hattanmaru

Abstract

Three ascites hepatoma cells of the rat, AH-41B, AH-34, and AH-64B, which had been determined in vivo as alpha-fetoprotein-negative, were cultivated in vitro in a medium containing adenosine 3',5'-cyclic monophosphate (cyclic AMP), cyclic dibutyryl-AMP, or theophylline. The concentration of alpha-fetoprotein in culture media was measured by the 125 I-radioimmunoassay. Results demonstrated that the AH-41B cells produced alpha-fetoprotein in vitor, the concentration of which being elevated in the media with three substances, while the remaining AH-34 and AH-64B cells did not. A comment was made on the producibility of alpha-fetoprotein in the so-called alpha-fetoprotein-negative hepatoma cells.

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Mentioned in this Paper

Adenosine
Liver Carcinoma
Cyclic AMP
Cyclic Adenosine Monophosphate Measurement
Cell Division Phases
AFP gene
Cyclic AMP, (R)-Isomer
Theophylline
Theophylline Assay
Radioimmunoassay

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