Elevation of urinary trehalase activity in patients of itai-itai disease. 1987

M Nakano, and K Aoshima, and T Katoh, and H Teranishi, and M Kasuya

The elevation of urinary trehalase activity in patients of itai-itai disease was examined. Urinary trehalase was correlated with tubular reabsorption of phosphorus (%TRP): the lower the trehalase activity, the worse was %TRP. Furthermore, this activity was inversely correlated with urinary glucose and urinary total protein. In itai-itai disease, the excretion of beta 2-microglobulin seems to be maximal, and urinary trehalase activity was low in the latter stages of the disease. It is inferred that itai-itai disease produces extremely severe tubular damage as well as glomerular dysfunction.

UI MeSH Term Description Entries
D007931 Leucyl Aminopeptidase A zinc containing enzyme of the hydrolase class that catalyzes the removal of the N-terminal amino acid from most L-peptides, particularly those with N-terminal leucine residues but not those with N-terminal lysine or arginine residues. This occurs in tissue cell cytosol, with high activity in the duodenum, liver, and kidney. The activity of this enzyme is commonly assayed using a leucine arylamide chromogenic substrate such as leucyl beta-naphthylamide. Cytosol Aminopeptidase,Leucine Aminopeptidase,L-Leucylnaphthylamidase,Methoxyleucine Aminopeptidase,Peptidase S,Zinc-Manganese-Leucine Aminopeptidase,Aminopeptidase, Cytosol,Aminopeptidase, Leucine,Aminopeptidase, Leucyl,Aminopeptidase, Methoxyleucine,Aminopeptidase, Zinc-Manganese-Leucine,Zinc Manganese Leucine Aminopeptidase
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011507 Proteinuria The presence of proteins in the urine, an indicator of KIDNEY DISEASES. Proteinurias
D002104 Cadmium An element with atomic symbol Cd, atomic number 48, and atomic weight 112.41. It is a metal and ingestion will lead to CADMIUM POISONING.
D002105 Cadmium Poisoning Poisoning occurring after exposure to cadmium compounds or fumes. It may cause gastrointestinal syndromes, anemia, or pneumonitis. Itai-Itai,Poisoning, Cadmium,Cadmium Poisonings,Itai Itai,Poisonings, Cadmium
D005260 Female Females
D006029 Glycosuria The appearance of an abnormally large amount of GLUCOSE in the urine, such as more than 500 mg/day in adults. It can be due to HYPERGLYCEMIA or genetic defects in renal reabsorption (RENAL GLYCOSURIA).
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000369 Aged, 80 and over Persons 80 years of age and older. Oldest Old

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