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Urinary AQP5 is independently associated with eGFR decline in patients with type 2 diabetes and nephropathy.


ABSTRACT: AIMS:Intrarenal Aquaporin 5 (AQP5) is upregulated in patients with diabetic nephropathy. Here we investigate whether urinary AQP5 is independently associated with estimated glomerular filtration rate (eGFR) decline in patients with type 2 diabetes and nephropathy. METHODS:Baseline urine samples (n?=?997) from patients with type 2 diabetes and nephropathy of the sulodexide macroalbuminuria trial were measured for AQP5 through enzyme-linked immunosorbent assays. Pearson correlation and multiple linear regression between AQP5 with eGFR slope (calculated by ?3 serum creatinine during follow-up) was performed, and association with fast renal function decline, defined as eGFR slope less than 3.0?mL/min/1.73?m2/year, was determined by logistic regression. RESULTS:Follow-up eGFR data >1.4?years from n?=?700 were available for analyses. AQP5 was undetectable in 138 patients. Tertiles of AQP5 were 0.4 [0-2.2], 7.3 [5.9-9.1], and 16.0 [13.0-21.6] (ng/mL), respectively (p?

SUBMITTER: Gao C 

PROVIDER: S-EPMC7509983 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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Urinary AQP5 is independently associated with eGFR decline in patients with type 2 diabetes and nephropathy.

Gao Chao C   Zhang Wenzheng W  

Diabetes research and clinical practice 20190801


<h4>Aims</h4>Intrarenal Aquaporin 5 (AQP5) is upregulated in patients with diabetic nephropathy. Here we investigate whether urinary AQP5 is independently associated with estimated glomerular filtration rate (eGFR) decline in patients with type 2 diabetes and nephropathy.<h4>Methods</h4>Baseline urine samples (n = 997) from patients with type 2 diabetes and nephropathy of the sulodexide macroalbuminuria trial were measured for AQP5 through enzyme-linked immunosorbent assays. Pearson correlation  ...[more]

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