PMID- 17046733 OWN - NLM STAT- MEDLINE DCOM- 20070226 LR - 20070103 IS - 0009-9120 (Print) IS - 0009-9120 (Linking) VI - 40 IP - 1-2 DP - 2007 Jan TI - Impaired renal function and duration of dialysis therapy are associated with oxidative stress and proatherogenic cytokine levels in patients with end-stage renal disease. PG - 81-5 AB - OBJECTIVES: The present study was undertaken to clarify the role of the impaired renal function and the dialysis therapy on plasma levels of proatherogenic cytokines and Cu/Zn superoxide dismutase (Cu/Zn SOD)--as a marker of oxidative stress (SOX) in uraemia. DESIGN AND METHODS: We have measured the levels of Cu/Zn SOD, monocyte chemoattractant protein-1 (MCP-1) macrophage inflammatory proteins (MIP-1alpha, MIP-1beta) and vascular endothelial growth factor (VEGF) in the plasma of predialysis (CRF) (n=42), on maintenance hemodialysis (HD) (n=25) or peritoneal dialysis (PD) (n=45) patients and in the healthy volunteers (n=20). RESULTS: The increase in Cu/Zn SOD levels was in PD and HD patients compared to controls (215.56+/-125.18 and 356.28+/-122.57 versus 53.53+/-23.65 ng/ml, respectively). In plasma of the CRF, PD and HD subjects we have also observed the significant increase in the levels of MIP-1beta: [31.5 (2-149), 33.0 (1-203) and 76.0 (9-345), respectively]; MCP-1 (616.50+/-240.15, 943.64+/-348.99 and 968.50+/-355.85, respectively) and VEGF (387.93+/-184.63, 371.56+/-125.18 and 645.56+/-136.30, respectively) compared to healthy people. In the predialysis group, creatinine clearance correlated with Cu/Zn SOD and cytokine levels. Moreover, the cytokine levels were also associated with age. In dialysis patients, the correlations were between duration of dialysis treatment and both Cu/Zn SOD and cytokine levels. There was also a direct relationship between Cu/Zn SOD and both MIP-1beta and VEGF levels. CONCLUSIONS: This study has shown that impaired renal function, age and duration of dialysis treatment are associated with increased oxidative stress and proatherogenic cytokine levels in uremic patients. FAU - Pawlak, Krystyna AU - Pawlak K AD - Department of Nephrology and Clinical Transplantation, Medical University, 14 Zurawia St, 15-540 Bialystok, Poland. krystynapawlak@poczta.onet.pl FAU - Pawlak, Dariusz AU - Pawlak D FAU - Mysliwiec, Michal AU - Mysliwiec M LA - eng PT - Journal Article DEP - 20060914 PL - United States TA - Clin Biochem JT - Clinical biochemistry JID - 0133660 RN - 0 (Cytokines) SB - IM MH - Atherosclerosis/*pathology MH - Case-Control Studies MH - Cytokines/*blood MH - Female MH - Humans MH - Kidney/*physiopathology MH - Kidney Failure, Chronic/*physiopathology/*therapy MH - Male MH - Middle Aged MH - *Oxidative Stress MH - Renal Dialysis/*methods MH - Time Factors EDAT- 2006/10/19 09:00 MHDA- 2007/02/27 09:00 CRDT- 2006/10/19 09:00 PHST- 2006/06/06 00:00 [received] PHST- 2006/08/28 00:00 [revised] PHST- 2006/09/01 00:00 [accepted] PHST- 2006/10/19 09:00 [pubmed] PHST- 2007/02/27 09:00 [medline] PHST- 2006/10/19 09:00 [entrez] AID - S0009-9120(06)00277-3 [pii] AID - 10.1016/j.clinbiochem.2006.09.001 [doi] PST - ppublish SO - Clin Biochem. 2007 Jan;40(1-2):81-5. doi: 10.1016/j.clinbiochem.2006.09.001. Epub 2006 Sep 14.