Summary
Intraperitoneal injections of galactosamine-HCl in rats were followed by transitory elevations of serum alpha-fetoprotein (AFP) concentrations. These were associated with regeneration of the damaged liver; a maximum of serum AFP was reached on day 4 (2.08±0.67 μg/ml). In sera of untreated rats, serum AFP levels were <0.1 μg/ml and no cellular AFP was detected in liver sections. Two days after galactosamine injections, AFP was localized for the first time in the cytoplasm of epithelial cells of bile ducts and canaliculi in portal spaces. The intensity of AFP staining reached a maximum between days 3 and 4. In addition, faint but distinct AFP-positive reactions were seen in the cytoplasm of randomly distributed hepatocytes. After day 5, AFP-staining cells rapidly disappeared. A strong correlation was noted between reappearance of AFP in sera, intensity of epithelial bile duct proliferation and cellular AFP staining.
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The present paper on alpha1-fetoprotein is dedicated to Prof. K.E. Scheer, Institut für Nuklearmedizin/D.K.F.Z. Heidelberg, on the occasion of his 60th birthday
Supported by the Deutsche Forschungsgemeinschaft (Ku 257/3) D-5300 Bonn, Federal Republic of Germany
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Kuhlmann, W.D., Wurster, K. Correlation of histology and alpha1-fetoprotein resurgence in rat liver regeneration after experimental injury by galactosamine. Virchows Arch. A Path. Anat. and Histol. 387, 47–57 (1980). https://doi.org/10.1007/BF00428428
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DOI: https://doi.org/10.1007/BF00428428