نتایج جستجو برای: urate oxidae
تعداد نتایج: 4122 فیلتر نتایج به سال:
Serum urate concentrations are highly heritable and elevated serum urate is a key risk factor for gout. Genome-wide association studies (GWAS) of serum urate in African American (AA) populations are lacking. We conducted a meta-analysis of GWAS of serum urate levels and gout among 5820 AA and a large candidate gene study among 6890 AA and 21 708 participants of European ancestry (EA) within the...
Because the human body cannot synthesize urate oxidase by itself, reducing the level of uric acid requires long-term or even lifelong treatment. However, currently various uric acid-lowering drugs cause different degrees of damage to the human body and thus are not suitable for long-term treatment. A probiotic that can yield a large amount of urate oxidase and be transplanted into the intestine...
The end product of human purine metabolism is urate, which is produced primarily in the liver and excreted by the kidney through a well-defined basolateral blood-to-cell uptake step. However, the apical cell-to-urine efflux mechanism is as yet unidentified. Here, we show that the renal apical organic anion efflux transporter human multidrug resistance protein 4 (MRP4), but not apical MRP2, medi...
Identification of Key Residues for Urate Specific Transport in Human Glucose Transporter 9 (hSLC2A9)
Human glucose transporter 9 (hSLC2A9) is critical in human urate homeostasis, for which very small deviations can lead to chronic or acute metabolic disorders. Human SLC2A9 is unique in that it transports hexoses as well as the organic anion, urate. This ability is in contrast to other homologous sugar transporters such as glucose transporters 1 and 5 (SLC2A1 &SLC2A5) and the xylose transporter...
1. A serial study of renal clearance of urate and inulin was made in thirteen normal women in early, mid and late pregnancy and 6-15 weeks after delivery. 2. The mean serum urate concentration was low in early and mid pregnancy but rose in late pregnancy towards the control value. 3. Clearances of urate and inulin were consistently elevated throughout pregnancy to about 150% of the post-partum ...
The SLC2A9 gene, that encodes a renal uric acid reuptake transporter, has genetic variants that explain ∼3% of variance in urate levels. There are previous reports of non-additive interaction between SLC2A9 genotype and environmental factors which influence urate control. Therefore, our aim was to further investigate the general phenomenon that such non-additive interactions contribute to genot...
The relationship between serum urate, menopause, and aging has not been clearly defined by scientific evidence. In the present issue of Arthritis Research and Therapy, Hak and Choi present a cross-sectional analysis to clarify the effect of menopause and hormone replacement therapy on serum urate in women within the Third National Health and Nutritional Examination Survey. Menopause increased s...
BACKGROUND Hyperuricemia cases (HU) can be classified into four subgroups by combining the two main causes of hyperuricemia, i.e. urate underexcretion and overproduction. These subgroups are as follows: underexcretion-type cases (UE); overproduction-type cases (OP); combined-type cases, and normal-type cases. Since urinary urate excretion (Uua) and urate clearance differ significantly between U...
The acute effects of intravenous (i.v.) probenecid and chlorothiazide on renal urate handling were investigated in paired studies in normal men. Uricosuric responses to these agents were compared in the same subjects, both without and with pyrazinamide (PZA) pretreatment. Assuming that PZA selectively inhibits the tubular secretion of urate and that uricosuric agents act by increasing the excre...
BACKGROUND Urate is a natural antioxidant and may prevent CNS tissue damage and the clinical manifestations of experimental autoimmune encephalitis. Results from clinical studies are conflicting and the contribution of urate to the pathogenesis of Multiple Sclerosis (MS) remains uncertain. OBJECTIVE To evaluate serum urate levels in MS patients and their relationships with clinical, demograph...
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