Abstract
Changes of activity of intestinal acid beta-galactosidase, beta-glucuronidase, N-acetyl-beta-glucosaminidase and arylsulphatase were studied in suckling rats treated with cortisone (5mg/100g body wt. daily, started on day 9 postnatally) and compared with changes in control animals. Specific activities were not changed within the first 72h, but all enzymes decreased similarly 96h after the first injection. Total activities per ileum and animal were not changed within the first 48h, but within 72h a significant decrease was observed. Calculation of the rate of decrease of the hydrolases studied in cortisone-treated animals shows that it proceeds faster than the rate of renewal of enterocytes in this period.
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