Circulating TNF receptors 1 and 2 predict ESRD in type 2 diabetes

Monika A. Niewczas, Tomohito Gohda, Jan Skupien, Adam M. Smiles, William H. Walker, Florencia Rosetti, Xavier Cullere, John H. Eckfeldt, Alessandro Doria, Tanya N. Mayadas, James H. Warram, Andrzej S. Krolewski

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227 Scopus citations

Abstract

Levels of proinflammatory cytokines associate with risk for developing type 2 diabetes but whether chronic inflammation contributes to the development of diabetic complications, such as ESRD, is unknown. In the 1990s, we recruited 410 patients with type 2 diabetes for studies of diabetic nephropathy and recorded their characteristics at enrollment. During 12 years of follow-up, 59 patients developed ESRD (17 per 1000 patient-years) and 84 patients died without ESRD(24 per 1000 patient-years). Plasma markers of systemic inflammation, endothelial dysfunction, and the TNF pathway were measured in the study entry samples. Of the examined markers, only TNF receptors 1 and 2 (TNFR1 and TNFR2) associated with risk for ESRD. These two markers were highly correlated, but ESRD associated more strongly with TNFR1. The cumulative incidence of ESRD for patients in the highest TNFR1 quartile was 54% after 12 years but only 3% for the other quartiles (P<0.001). In Cox proportional hazard analyses, TNFR1 predicted risk for ESRD even after adjustment for clinical covariates such as urinary albumin excretion. Plasma concentration of TNFR1 outperformed all tested clinical variables with regard to predicting ESRD. Concentrations of TNFRs moderately associated with death unrelated to ESRD. In conclusion, elevated concentrations of circulating TNFRs in patients with type 2 diabetes at baseline are very strong predictors of the subsequent progression to ESRD in subjects with and without proteinuria.

Original languageEnglish (US)
Pages (from-to)507-515
Number of pages9
JournalJournal of the American Society of Nephrology
Volume23
Issue number3
DOIs
StatePublished - Mar 1 2012

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    Niewczas, M. A., Gohda, T., Skupien, J., Smiles, A. M., Walker, W. H., Rosetti, F., Cullere, X., Eckfeldt, J. H., Doria, A., Mayadas, T. N., Warram, J. H., & Krolewski, A. S. (2012). Circulating TNF receptors 1 and 2 predict ESRD in type 2 diabetes. Journal of the American Society of Nephrology, 23(3), 507-515. https://doi.org/10.1681/ASN.2011060627