Document Detail


Elevated serum 8-oxo-dG in hemodialysis patients: a marker of systemic inflammation?
MedLine Citation:
PMID:  17034359     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Does inflammation, as assessed by high sensitivity C-reactive protein (hs-CRP), in patients with end-stage renal disease (ESRD) tightly associate with increased serum levels of 8-oxo-7,8-dihydro-2'-deoxyguanosine (8- oxo-dG)? Increased oxidative stress and inflammation have both been highlighted among several nontraditional risk factors for cardiovascular disease, which is the main cause of mortality in ESRD patients. In contrast to oxidative stress effects on proteins and lipids, DNA base damage has not been well demonstrated in ESRD. Two groups of hemodialysis patients were studied, one group with persistent inflammation (n = 13, with constant elevation of CRP > 10 mg/L for 6 months) and one group of noninflamed patients (n = 19, with constant CRP < 10 mg/L for 6 months). Serum 8-oxo-dG was significantly elevated in persistent inflammation in comparison to noninflamed patients. At an individual level, a significant correlation was found between serum 8-oxo-dG and hsCRP. Extracellular 8-oxo-dG leads to intracellular oxidative damage on the nucleotide pool, thus providing a sensitive marker for inflammatory response. Serum levels of 8-oxo-dG, in combination with other inflammatory markers, serve as useful diagnostic tools for identification of patients in risk for inflammatory complications.
Authors:
Siamak Haghdoost; Yukio Maruyama; Roberto Pecoits-Filho; Olof Heimburger; Astrid Seeberger; Björn Anderstam; Mohamed E Suliman; Stefan Czene; Bengt Lindholm; Peter Stenvinkel; Mats Harms-Ringdahl
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Antioxidants & redox signaling     Volume:  8     ISSN:  1523-0864     ISO Abbreviation:  Antioxid. Redox Signal.     Publication Date:    2006 Nov-Dec
Date Detail:
Created Date:  2006-10-12     Completed Date:  2007-01-30     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100888899     Medline TA:  Antioxid Redox Signal     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2169-73     Citation Subset:  IM    
Affiliation:
Department of Genetics, Microbiology and Toxicology, Stockholm University, Stockholm, Sweden.
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MeSH Terms
Descriptor/Qualifier:
Biological Markers / blood
C-Reactive Protein / analysis
DNA / immunology
Deoxyguanosine / analogs & derivatives*,  blood
Humans
Inflammation / blood*,  complications,  diagnosis*
Kidney Failure, Chronic / blood*,  complications,  immunology
Nucleotides / immunology
Oxidative Stress / immunology
Predictive Value of Tests
Renal Dialysis*
Chemical
Reg. No./Substance:
0/Biological Markers; 0/Nucleotides; 88847-89-6/8-oxo-7-hydrodeoxyguanosine; 9007-41-4/C-Reactive Protein; 9007-49-2/DNA; 961-07-9/Deoxyguanosine

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