نتایج جستجو برای: urate oxidae

تعداد نتایج: 4122  

2010
Praveen L Indraratna Sophie L Stocker Kenneth M Williams Garry G Graham Graham Jones Richard O Day

Investigation of the genetic basis of hyperuricaemia is a subject of intense interest. However, clinical studies commonly include hyperuricaemic patients without distinguishing between 'over-producers' or 'under-excretors' of urate. The statistical power of studies of genetic polymorphisms of genes encoding renal urate transporters is diluted if 'over-producers' of uric acid are included. We pr...

Journal: :Clinical chemistry 1988
C Cocco M Marini G Bacciga

ments suggest that at physiological concentrations, only urate contributes to the artifactually high pre-dialysis values. When a standard serum sample was increased in concentration (in vitro) from 11.6 to 54 mmol/L in urea, from 97 to 1130 mmol/L in creatinine, and from 0.31 to 1.38 mmol/L in urate, values for apparent SFA were unaffected by urea or creatinine changes, but rose 13% in the pres...

Journal: :Advanced drug delivery reviews 2008
Merry R Sherman Mark G P Saifer Fernando Perez-Ruiz

Hyperuricemia results from an imbalance between the rates of production and excretion of uric acid. Longstanding hyperuricemia can lead to gout, which is characterized by the deposition of monosodium urate monohydrate crystals in the joints and periarticular structures. Because such deposits are resolved very slowly by lowering plasma urate with available drugs or other measures, the symptoms o...

2016
Heidi Dahl Christensen Hussam Mahmoud Sheta Melanie Birger Morillon Inger Marie Jensen Hansen

BACKGROUND Gout is characterized by deposition of uric acid crystals (monosodium urate) in tissues and fluids. This can cause acute inflammatory arthritis. The 2015 ACR/EULAR criteria for the diagnosis of gout include dual energy computed tomography (DECT)-demonstrated monosodium urate crystals as a new criterion. DECT is a spectral decomposition that permits recognition of different types of t...

Journal: :Nephrology, dialysis, transplantation : official publication of the European Dialysis and Transplant Association - European Renal Association 2013
Takeo Nakanishi Kouhei Ohya Sho Shimada Naohiko Anzai Ikumi Tamai

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...

Journal: :The Journal of Experimental Medicine 1971
Walter R. Wallingford Daniel J. McCarty

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...

2016
Patapong Towiwat Anthony J. Doyle Gregory D. Gamble Paul Tan Opetaia Aati Anne Horne Lisa K. Stamp Nicola Dalbeth

BACKGROUND It is currently unknown whether bone erosion in gout occurs through an 'inside-out' mechanism due to direct intra-osseous crystal deposition or through an 'outside-in' mechanism from the surface of bone. The aim of this study was to examine the mechanism ('outside-in' vs. 'inside-out') of monosodium urate (MSU) crystal deposition in bone erosion in gout. Specifically, we used three-d...

Journal: :Rheumatology 2009
Andrew J Luk Gregory P Levin Elya E Moore Xiao-Hua Zhou Bryan R Kestenbaum Hyon K Choi

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...

2017
Zheng Dong Jingru Zhou Shuai Jiang Yuan Li Dongbao Zhao Chengde Yang Yanyun Ma Yi Wang Hongjun He Hengdong Ji Yajun Yang Xiaofeng Wang Xia Xu Yafei Pang Hejian Zou Li Jin Jiucun Wang

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...

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