Summary
Two lysosomal glycohydrolases, β-galactosidase and β-N-hexosaminidase which have been associated with kidney disease were measured in the urine of 110 youngsters with juvenile diabetes mellitus. The mean enzyme excretions in the diabetic group were intermediate between those of normal youngsters and those with active renal disease. Three youngsters with known kidney disease had elevations comparable to others in the diabetic group but no direct correlation could be shown between enzyme elevations and proteinuria or Addis count abnormalities. Positive correlations were seen between urine enzyme levels and indices of metabolic balance including blood sugar, cholesterol and triglycerides but not with urine sugar or ketones. Duration and estimated stage and control of diabetes also correlated with the urinary enzymes. These preliminary studies are consistent with the possibility that the excretion of these enzymes reflects the ongoing renal damage which occurs in most juvenile diabetics.
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Kohler, E., Sheth, K.J. & Good, T.A. Urinary acidic glycohydrolases as an index of kidney damage in juvenile diabetes mellitus. Acta diabet. lat 16, 247–255 (1979). https://doi.org/10.1007/BF02629119
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DOI: https://doi.org/10.1007/BF02629119