PMID: 38560May 31, 1979

Histochemical studies on carbohydrate metabolism in rat liver after galactosamine administration

Virchows Archiv. B, Cell Pathology Including Molecular Pathology
A KrainskiR Lesch

Abstract

The development of hepatitis, induced in 48 rats by the administration of galactosamine (GalN) in varying doses, was studied with the use of substrate and enzyme histochemical techniques. The so-called atypical glycogen, which is at first highly resistant to diastase, was shown to be digestible after deamination. The increasing accumulation of atypical glycogen during the course of GalN-hepatitis conceals the loss of normal glycogen when the PAS-reaction is used. Nevertheless glycogenolysis could also be demonstrated by the increasing activity of phosphorylase. The acid phosphatase activity was progressively diminished, which was interpreted as signifying early lysosomal damage. G6Pase activity remained nearly constant but SDH showed a decrease in activity after 12 h. These histochemical results are considered to provide deeper insight into the pathological mechanism of GalN-hepatitis.

Related Concepts

Acid Phosphatase
Glucosephosphatase
Succinate Dehydrogenase
Drug-Induced Acute Liver Injury
G6pc
Mucopolysaccharidosis IV
Galactosamine
Carbohydrate Metabolism
Phosphorylases
Glycogen

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