ArticlePediatric nephrology (Berlin, Germany)2009
Evaluation of certain constituents of antioxidant defense in youth treated in the past for steroid-sensitive idiopathic nephrotic syndrome.
Article in Pediatric nephrology (Berlin, Germany), 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 9 citations in OpenAlex.
- Pediatric nephrotic syndrome: The interplay of oxidative stress and inflammation.Journal of medical biochemistry · 2024Article
- Paraoxonase Activity and Lipid Profile in Paediatric Nephrotic Syndrome: A Cross-sectional Study.Journal of clinical and diagnostic research : JCDR · 2016Article
- Evaluation of paraoxonase activity in children with nephrotic syndrome.Nephro-urology monthly · 2013Article
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Disorders of lipid metabolism and antioxidant defense capacity reported during idiopathic nephrotic syndrome (INS) exacerbations are known. The aim of this study was to evaluate constituents of antioxidant defense [total antioxidant potential: ferric-reducing antioxidant power (FRAP), paraoxonase-1 (PON-1), tocopherols, ascorbic acid] in patients formerly treated for INS. The studied group consisted of 30 patients (20 males and 10 females) treated 4-15 years ago for INS. The control group consisted of 30 healthy teenagers. There were no statistically significant differences in PON-1 activity (156.4 +/- 97.1 vs 137.7 +/- 80.2 U/l), alpha-tocopherol levels (23.9 +/- 7.3 vs 22.4 +/- 3.2 micromol/l) and sum of beta- and gamma-tocopherols (2.1 +/- 1.0 vs 2.3 +/- 0.6 micromol/l), and in FRAP (484.9 +/- 87.2 vs 452.8 +/- 76.9 micromol/l) between groups. In the study group, a significantly lower concentration of ascorbic acid (53.0 +/- 20.8 vs 69.4 +/- 16 micromol/l; p < 0.002), decreased values of alpha-tocopherol/cholesterol (4.9 +/- 0.7 vs 5.5 +/- 1.2; p = 0.03), and total tocopherol/cholesterol (5.3 +/- 0.8 vs 6.1 +/- 1.4; p = 0.016) ratios were observed. A positive correlation between tocopherol/total cholesterol (TCh) (r = 0.41; p < 0.05) and alpha-tocopherol/TCh (r = 0.50; p < 0.001) ratios and INS relapse frequency was reported. The relationship between the study parameters and group of variables (relapse frequency, duration of the last remission, age, gender) was tested using the multiple linear regression analysis. The results of this study suggest that the nonenzymatic antioxidant defense in young persons formerly treated for INS is weaker than in their healthy counterparts.
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