A proposal for identifying the low renal uric acid clearance phenotype

被引:11
作者
Indraratna, Praveen L. [1 ]
Stocker, Sophie L. [2 ,3 ]
Williams, Kenneth M. [1 ]
Graham, Garry G. [1 ]
Jones, Graham [4 ]
Day, Richard O. [1 ]
机构
[1] St Vincents Hosp, Dept Clin Pharmacol & Toxicol, Sydney, NSW 2010, Australia
[2] Univ New S Wales, Fac Med, Inst Hlth Innovat, Sydney, NSW 2052, Australia
[3] Univ Sydney, Fac Pharm, Sydney, NSW 2006, Australia
[4] St Vincents Hosp, Dept Chem Pathol, Sydney, NSW 2010, Australia
关键词
URATE TRANSPORTER; GOUT; EXCRETION; HYPERURICEMIA; ASSOCIATION; SLC2A9; SERUM;
D O I
10.1186/ar3191
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
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 propose that lower than normal fractional renal clearance of urate is a better inclusion criterion for these studies. We also propose that a single daytime spot urine sample for calculation of fractional renal clearance of urate should be preferred to calculation from 24-hour urine collections.
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页数:3
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