Gene/Protein Disease Symptom Drug Enzyme Compound
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Query: EC:3.2.1.20 (alpha-glucosidase)
 4,237 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Hereditary diabetic mice (NSY) were inbred from original streptozotocin diabetic ICR mice for 8-9 generations using hyperglycemia as an index. The normoglycemic ICR mice were used as controls for the NSY line. The nonfasting blood sugar level of the NSY mice was 305 +/- 14 mg/100ml, while their immunoreactive insulin level was 30 +/- 4 microU/ml (the values of the controls were 165 +/- 12 mg/100 ml and 79 +/- 14 microU/ml, respectively). beta-N-Acetylglucosaminidase [EC 3.2.1.29], beta-galactosidase [EC 3.2.1.23], alpha-glucosidase [EC 3.2.1.21], and alpha-mannosidase [EC 3.2.1.24] activities were determined in the 1,000 X g supernatant of the liver and the kidney of control and streptozotocin diabetic ICR mice and their NSY line. In the kidneys of the insulinopenic NSY mice, the beta-galactosidase and alpha-mannosidase activities were significantly decreased. No significant changes were found in liver enzyme activities. Insulin treatment increased the kidney beta-galactosidase activity signficantly. The insulinopenic state, which caused a decrease in the glycosidase activities in the kidney, could induce retarded breakdown of glycoprotein.
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PMID:Glycosidase activities in the liver and kidney of hereditary diabetic mice. 739 Sep 71