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Endostatin, Cathepsin S, and Cathepsin L, and Their Association with Inflammatory Markers and Mortality in Patients Undergoing Hemodialysis.


PMID 25924922

Abstract

Although both endostatin and cathepsins S have been associated with higher mortality, data in patients with end-stage renal disease (ESRD) are scarce. A longitudinal cohort study of 207 prevalent patients undergoing hemodialysis. Cathepsins S and L were associated with soluble receptors for tumor necrosis factor (sTNFR1 and sTNFR2, rho between 0.28 and 0.43, p < 0.001 for all). Weaker or absent associations between endostatin, cathepsins S and L were seen with other inflammatory biomarkers, that is, CRP, interleukin 6, pentraxin 3, and TNF. In Cox and Laplace regression models adjusted for age, sex, dialysis vintage, and diabetes: standard deviation increments of endostatin was associated with a lower mortality (hazard ratio 0.75, 95% confidence interval (CI) 0.57-0.98), and with 6.8 months longer median survival. The high levels of endostatin, cathepsins S and L, and their associations with sTNFR1 and sTNFR2 warrant further studies exploring mortality, and the angiogenic and inflammatory pathways in ESRD.

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