نتایج جستجو برای: urate deposition
تعداد نتایج: 96523 فیلتر نتایج به سال:
BACKGROUND Serum urate (SUA) level is affected by alteration in urinary reabsorption caused by clinically important drugs; however, there are no experimental models suitable to assess their effect on renal reabsorption. We, therefore, aimed to establish an experimental system co-expressing the urate transporters URAT1 (SLC22A12) and URATv1 (SLC2A9) (designated UUv cells) at the apical and basol...
Microcrystals of sodium urate produced direct lysis of erythrocyte membranes, as had been described previously for silica. Calcium pyrophosphate crystals induced modest erythrocyte hemolysis, also, and time-course experiments showed a markedly different reaction curve from those produced by silica and urate. Polyvinylpyridine-N-oxide, a strong hydrogen acceptor, was bound from solution to urate...
OBJECTIVES While studies have suggested that gout and hyperuricaemia are associated with the risk of premature death, none has investigated the role of urate-lowering therapy on this critical outcome. We examined the impact of allopurinol, the most commonly used urate-lowering drug, on the risk of mortality in hyperuricaemic patients. METHODS From a population of hyperuricaemic veterans of [s...
Gout is a common arthritis resulting from increased serum urate, and many loci have been identified that are associated with serum urate and gout. However, their influence on the progression from elevated serum urate levels to gout is unclear. This study aims to explore systematically the effects of genetic variants on the pathogenesis in approximately 5,000 Chinese individuals. Six genes (PDZK...
1. Eight recurrent renal stone-forming patients were housed in a metabolic ward and fed on a low (LPD) and a high (HPD) animal protein diet, which were isoenergetic. Metabolic studies were made after 2 weeks on each diet. 2. There was a 90% increase in urinary urate on HPD compared with LPD, whereas serum urate did not change consistently. 3. The urinary acid excretion increased by 200%, includ...
The authors examined whether a diet that increases plasma urate level is also related to reduced risk of Parkinson's disease (PD). The study population comprised 47,406 men in the Health Professionals Follow-up Study. The potential effect of diet on plasma urate level was estimated by regressing plasma urate on intakes of selected foods and nutrients in a subsample of 1,387 men. Coefficients of...
An acid ferric reduction procedure is described for determining serum urate with 2,4,6-tripyridyl-s-triazine at 593 nm, whereby each mole of urate reduces 4 moles of ferric ion. The procedure requires no deproteinization and as little as 20 l of serum is needed. It gives results that are linearly related to concentration to about 30 mg/dl, and it is precise (CV, 2.6%), accurate, and sensitive (...
Xanthine oxidoreductase has been demonstrated in the heart of various species. However, its presence in human heart is still debated. In the literature, high to undetectable levels have been reported. We studied the arterial-venous urate difference across the heart of patients undergoing both routine cardiac catheterization and percutaneous transluminal coronary angioplasty. Urate is the end pr...
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