Abstract
1. 1. The activities of some lysosomal hydrolases and the concentrations of their natural substrates were studied in the submandibular and sublingual glands of male and female rats using biochemical procedures. 2. 2. In sublingual gland enzyme activities and substrate concentrations show the highest values. 3. 3. The enzyme activities appear, in general, lower and the natural substrate concentrations higher in the females with respect to males. 4. 4. In both glands β-galactosidase shows the highest activity and β-glucosidase the lowest. 5. 5. These findings suggest that metabolic turnover of glycoproteins is slower in females than in males, probably because the oestrogens control the activity of lysosomal hydrolases.
Published Version
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