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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Galactose metabolism in regenerating rat liver.

1. Rats trained on a controlled lighting and feeding schedule were subjected to partial hepatectomy or sham operation. 2. After a large period of about 6h the activity of UDP-galactose 4-epimerase increased threefold, reaching a maximum 4 days after partial hepatectomy, and returned to normal values within a fortnight. 3. The enzyme pattern of the UDP-galactose-glycoprotein galactosyltransferase was biphasic, one peak appearing at 20 h, the second at 72 h after partial hepatectomy. 4. The rise in enzyme activities could be blocked by the injection of actinomycin D, and the Km values for UDP-glucose and UDP-galactose were nearly identical in regenerating and adult liver. It is therefore concluded that the increase in enzyme activity is due to synthesis de novo of enzyme protein.[1]


  1. Galactose metabolism in regenerating rat liver. Bauer, C.H., Hassels, B.F., Reutter, W.G. Biochem. J. (1976) [Pubmed]
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