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Beta-glucuronidase in physiology and disease.

Author information

1
Department of Biochemistry and Molecular Biology, Medical University of Lublin.

Abstract

beta-glucoronidase (EC 3.2.1.31) is a lysosomal enzyme catylysing the decomposition of beta-D-glucoronides--compounds arising as a result of the combination of beta-D-glucoronic acid and a number of compounds both exo- and endogenous, containing hydroxylic, carboxylic, amine, imine or thiol groups. The most common test evaluating the activity of the enzyme is that using phenolphtalein glucoronide as a biosynthetic substrate. The freed aglycons are colorimetrically assayed. The activity of beta-glucoronidase increases in many pathological conditions: liver infammations, cirrhosis of the liver, inflammations of other organs, cholestatic jaundice, tuberculosis, sarcoidosis and also in neoplasms. Many authors point to beta-glucoronidase as a sensitive indicator signalling cell damage.

PMID:
15323223
[Indexed for MEDLINE]

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