نتایج جستجو برای: urate oxidae
تعداد نتایج: 4122 فیلتر نتایج به سال:
BACKGROUND Hyperuricemia induces endothelial dysfunction, oxidative stress and inflammation, increasing cardiovascular morbidities. It also raises the incidence of atrial fibrillation; however, underlying mechanisms are unknown. METHODSANDRESULTS The effects of urate on expression of Kv1.5 in cultured mouse atrial myocytes (HL-1 cells) using reverse transcriptase-PCR, immunoblots, flow cytome...
Background Hyperuricemia often causes kidney dysfunction which increases serum urate, forming a vicious cycle in the kidney. In this study, urate-lowering therapy was demonstrated in type 2 diabetic patients with hyperuricemia to evaluate the effect on diabetic nephropathy. Methods Type 2 diabetic patients with hyperuricemia (n = 34) were treated by urate-lowering drugs. Serum urate levels, e...
OBJECTIVE The central strategy for effective gout management is longterm urate-lowering therapy to maintain the serum urate at a level below 0.36 mmol/l. We sought to determine the prevalence of gout and the quality of care in a national Australian general practice population. METHODS Data were from general practice point-of-care electronic records over a 5-year period (n = 1,479,449). Inform...
BERGER,LAWRENCE,T'SAIFANY~~ANDALEXANDER B. GUTMAN. Efect of drugs that alter uric acid excretion in man on uric acid clearance in the chicken. Am. J. Physiol. rg8(3) : 575-580. 1960. -In 43 chickens, the mean Cinulin was 4.7 + I .8 ml/min. (I .8 =t 0.8 ml/kg/ min.), mean C urate 29.0 rt 14.9 ml/min. (I 1.3 =t 6.0 ml/kg/ min.) and mean Turate 1.30 zt 0.69 mg/min. (0.48 & 0.24 mg/kg/ min.). Tubul...
The transport mechanism of urate and p-aminohippurate (PAH) was evaluated in microvillus membrane vesicles isolated from the renal cortex of the mongrel dog. Imposition of a transmembrane pH gradient (pHo less than pH1) markedly accelerated the uptake of [14C]urate and [3H]PAH and caused the transient accumulation ("overshoot") of each anion above its final level of uptake. The transport of ura...
The effect of serum and synovial fluid obtained from six healthy subjects and from 12 patients with gout, six with rheumatoid arthritis and 18 with calcium pyrophosphate dihydrate arthropathy (CPPD) on the rate of in vitro urate crystal formation was measured. Gouty and normal serum produced similar results. Gouty synovial fluids promoted urate crystal formation significantly more than did rheu...
Uric acid is the product of purine metabolism and its increased levels result in hyperuricemia. A number of epidemiological reports link hyperuricemia with multiple disorders, such as kidney diseases, cardiovascular diseases and diabetes. Recent studies also showed that expression and functional changes of urate transporters are associated with hyperuricemia. Uric acid transporters are divided ...
Acute gouty arthritis occurs when crystals of monosodium urate form and deposit in joints and connective tissue. These crystals then provoke the characteristic acute inflammatory response of gout (Seegmiller, 1965), and may accumulate chronically forming gouty tophi. Although deposition of urate crystals from hyperuricaemic body fluids is an essential requirement in the pathogenesis of gout, on...
INTRODUCTION There is increasing evidence that both hyperuricemia and gout increase the risk of cardiovascular morbidity and mortality. Whether urate crystal precipitation confers a particular risk above what is already inherent in having hyperuricemia is not well established. We conducted this cohort study to establish whether the presence of monosodium urate crystal precipitation per se is as...
BACKGROUND Serum uric acid levels in humans are influenced by diet, cellular breakdown, and renal elimination, and correlate with blood pressure, metabolic syndrome, diabetes, gout, and cardiovascular disease. Recent genome-wide association scans have found common genetic variants of SLC2A9 to be associated with increased serum urate level and gout. The SLC2A9 gene encodes a facilitative glucos...
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