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Circulating CXCL16 in Diabetic Kidney Disease
Usama Elewa1, Maria D Sanchez-Niño, Ignacio Mahillo-Fernández
1IIS-Fundación Jiménez Díaz, School of Medicine, Universidad Autónoma de Madrid, Madrid, Spain.
Kidney & Blood Pressure Research
|September 26, 2016
Summary
In diabetic kidney disease patients, lower estimated glomerular filtration rate (eGFR) and serum albumin levels independently predict higher circulating CXCL16, a potential marker for cardiovascular risk.
Area of Science:
- Nephrology and Cardiovascular Research
- Biomarker Discovery in Chronic Kidney Disease
Background:
- Diabetic kidney disease (DKD) is a leading cause of mortality globally.
- Understanding DKD mortality factors is crucial for developing new treatments.
- CXCL16, a chemokine and cholesterol receptor, may play a role in vascular injury and inflammation.
Purpose of the Study:
- To identify predictors of circulating CXCL16 levels in patients with DKD.
- To investigate the relationship between CXCL16 and DKD severity markers.
Main Methods:
- Studied plasma CXCL16 levels in 134 European patients with DKD (eGFR G1-G4, albuminuria A1-A3).
- Analyzed correlations between plasma CXCL16 and clinical parameters including eGFR, albuminuria, and cardiovascular disease history.
- Utilized multivariate analysis to identify independent predictors of CXCL16.
Main Results:
- Plasma CXCL16 levels averaged 4.0±0.9 ng/ml.
- CXCL16 levels increased with decreasing eGFR (G1-G4) and increasing albuminuria (A1-A3).
- Patients with prior cardiovascular disease had significantly higher CXCL16 levels.
- Multivariate analysis revealed independent negative correlations between eGFR, serum albumin, and plasma CXCL16.
Conclusions:
- In patients with DKD, estimated glomerular filtration rate (eGFR) and serum albumin are independent predictors of plasma CXCL16.
- Circulating CXCL16 levels are associated with DKD severity and cardiovascular disease history.
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