國家衛生研究院 NHRI:Item 3990099045/10560
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    Please use this identifier to cite or link to this item: http://ir.nhri.org.tw/handle/3990099045/10560


    Title: Urinary glycated uromodulin in diabetic kidney disease
    Authors: Chang, CC;Chen, CY;Huang, CH;Wu, CL;Wu, HM;Chiu, PF;Kor, CT;Chen, TH;Chang, GD;Kuo, CC;Wen, HC;Huang, CY;Chang, CH
    Contributors: Institute of Cellular and Systems Medicine
    Abstract: Advanced glycation end products (AGEs) form during oxidative stress, which is increased in diabetes mellitus (DM). Uromodulin is a protein with a renal protective effect, and may be subject to glycation. The implications of uromodulin glycation and AGEs in the urine are not understood. Here, immunoprecipitation and liquid chromatography-mass spectrometry identified glycated uromodulin (glcUMOD) in the urine of 62.5% of patients with diabetic kidney disease (DKD), 20.0% of patients with non-diabetic chronic kidney disease (CKD) but non-DM, and no DM patients with normal renal function or healthy control participants; a finding replicated in a larger cohort of 84 patients with CKD in a case-control study (35 with DM, 49 without). Uromodulin forms high molecular weight polymers that associate with microvesicles and exosomes. Differential centrifugation identified uromodulin in the supernatant, microvesicles and exosomes of the urine of healthy participants, but only in the supernatant of samples from patients with DKD, suggesting that glycation influences uromodulin function. Finally, the diagnostic and prognostic utility of measuring urinary glcUMOD concentration was examined. Urinary glcUMOD concentration was substantially higher in DKD patients than non-diabetic CKD patients. Urinary glcUMOD concentration predicted DKD status, particularly in patients with CKD stages 1-3a aged < 65 years and with urine glcUMOD concentration >/= 9,000 arbitrary units. Urinary uromodulin is apparently glycated in DKD and forms AGEs, and glcUMOD may serve as a biomarker for DKD.
    Date: 2017-06-07
    Relation: Clinical Science. 2017 Jul;131(15):1815-1829.
    Link to: http://dx.doi.org/10.1042/cs20160978
    JIF/Ranking 2023: http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=NHRI&SrcApp=NHRI_IR&KeyISSN=0143-5221&DestApp=IC2JCR
    Cited Times(WOS): https://www.webofscience.com/wos/woscc/full-record/WOS:000406139100004
    Cited Times(Scopus): https://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85023613070
    Appears in Collections:[Chung-Ho Chang] Periodical Articles
    [Cheng-Chin Kuo] Periodical Articles

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