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Abstract
Obinata K, Nemeth A, Ellin Å, Strandvik B. Bile salt sulphotransferase activity in the liver of cholestatic infants. Scand J Clin Lab Invest 1994; 54: 285-90.
A simple assay of bile salt sulphotransferase activity in human liver was developed. The system used glycolithocholate and PAPS as substrates. Km values for glycolithocholate and PAPS were 2.8 μM and 11.5 μM, respectively. Furthermore bile salt sulphation capacity in infants with cholestasis was investigated by measuring the activity of the bile salt sulphotransferase in the liver. No significant difference was found between the sulphotransferase activity in cholestatic infants and non-cholestatic adults. In addition the magnitude of the bile salt sulphotransferase activity in as neonatal liver did not differ from the enzymatic activity in adult liver. It is thus considered unlikely that low degree of sulphation of bile salts in infants is due to reduced capacity of this enzyme system.