Abstract:
BACKGROUND:We reported that urinary L-FABP reflected the progression of chronic kidney disease (CKD). This study is aimed to evaluate the clinical significance of urinary liver type fatty acid binding protein (L-FABP) as a biomarker for monitoring CKD. METHODS:Urinary L-FABP was measured using human L-FABP ELISA kit (CMIC.Co., Ltd., Tokyo, Japan). The relations between urinary L-FABP and clinical parameters were evaluated in non-diabetic CKD (n = 48) for a year. In order to evaluate the influence of serum L-FABP derived from liver upon urinary L-FABP, both serum and urinary L-FABP were simultaneously measured in patients with CKD (n = 73). RESULTS:For monitoring CKD, the cut-off value in urinary L-FABP was determined as 17.4 microg/g.cr. by using a receiver operating characteristics (ROC) curve. Renal function deteriorated significantly more in patients with 'high' urinary L-FABP (n = 36) than in those with 'low' L-FABP (n = 12). The decrease in creatinine clearance was accompanied by an increase in urinary L-FABP, but not in urinary protein. Serum L-FABP in patients with CKD was not correlated with urinary L-FABP. CONCLUSION:Urinary excretion of L-FABP increases with the deterioration of renal function. Serum L-FABP did not influence on urinary L-FABP. Urinary L-FABP may be a useful clinical biomarker for monitoring CKD.
journal_name
Mol Cell Biochemjournal_title
Molecular and cellular biochemistryauthors
Kamijo A,Sugaya T,Hikawa A,Yamanouchi M,Hirata Y,Ishimitsu T,Numabe A,Takagi M,Hayakawa H,Tabei F,Sugimoto T,Mise N,Omata M,Kimura Kdoi
10.1007/s11010-005-9047-9keywords:
subject
Has Abstractpub_date
2006-03-01 00:00:00pages
175-82issue
1-2eissn
0300-8177issn
1573-4919journal_volume
284pub_type
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