Abstract
Platelet activating factor has been demonstrated in blood and urine and has a broad range of effects on kidney function. The kidney possesses the enzymes responsible for PAF synthesis as well as the specific acetylhydrolase which deactivates PAF. We used a radioactive assay to measure PAF-acetylhydrolase activity in urine samples obtained from normal individuals and patients with various nephropathies. Activity was detected hi the majority of normal urines with a mean + 2 SD = 0.70 nmol/30 min/ml. Activity exceeding this value was measured in the urines of 11 of 14 patients with diabetes mellitus, 14 of 22 with glomerulonephritis, and 5 of 16 with hypertensive renal disease. Further study is necessary to relate urine hydrolase activity to specific functional and structural abnormalities of the kidney.
Published Version
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