Comparison of Effect of Vitamin E-Coated Dialyzer and Oral Vitamin E on Hemodialysis-Induced Cu/Zn-Superoxide Dismutase

Background: We reported earlier that production of Cu/Zn-superoxide dismutase (SOD) increases markedly in hemodialysis patients but not in non-dialyzed chronic renal failure (CRF) patients. In this study, we compared the antioxidant effects of oral vitamin E supplementation (VE-PO) and vitamin E coa...

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Veröffentlicht in:American journal of nephrology 2005-09, Vol.25 (5), p.500-506
Hauptverfasser: Akiyama, Shinichiro, Inagaki, Masahiro, Tsuji, Mayumi, Gotoh, Hiromichi, Gotoh, Tomomi, Washio, Kazunori, Gotoh, Yoshikazu, Oguchi, Katsuji
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container_end_page 506
container_issue 5
container_start_page 500
container_title American journal of nephrology
container_volume 25
creator Akiyama, Shinichiro
Inagaki, Masahiro
Tsuji, Mayumi
Gotoh, Hiromichi
Gotoh, Tomomi
Washio, Kazunori
Gotoh, Yoshikazu
Oguchi, Katsuji
description Background: We reported earlier that production of Cu/Zn-superoxide dismutase (SOD) increases markedly in hemodialysis patients but not in non-dialyzed chronic renal failure (CRF) patients. In this study, we compared the antioxidant effects of oral vitamin E supplementation (VE-PO) and vitamin E coating of a dialyzer (VE-BMD) by measuring increased Cu/Zn-SOD in hemodialysis patients. Methods: 31 hemodialysis patients were divided into two groups: 16 hemodialysis patients underwent usual dialysis with vitamin E supplementation 600 mg/day while 15 others were dialyzed using vitamin E-coated membrane for 6 months. Total plasma SOD activity was determined by NBT method, plasma Cu/Zn-SOD contents by ELISA and Cu/Zn-SOD mRNA in leukocytes by RT-PCR. Results: VE-PO and VE-BMD showed almost comparable effects on Cu/Zn-SOD contents and its mRNA levels in hemodialysis patients. VE-PO resulted in a progressive decrease of Cu/Zn-SOD content (p < 0.001). A comparable progressive decrease was observed also in VE-BMD (p < 0.0001). Both VE-PO and VE-BMD resulted in a progressive decrease of Cu/Zn-SOD mRNA (p < 0.01), which reached the level of non-dialyzed CRF patients.
doi_str_mv 10.1159/000088172
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In this study, we compared the antioxidant effects of oral vitamin E supplementation (VE-PO) and vitamin E coating of a dialyzer (VE-BMD) by measuring increased Cu/Zn-SOD in hemodialysis patients. Methods: 31 hemodialysis patients were divided into two groups: 16 hemodialysis patients underwent usual dialysis with vitamin E supplementation 600 mg/day while 15 others were dialyzed using vitamin E-coated membrane for 6 months. Total plasma SOD activity was determined by NBT method, plasma Cu/Zn-SOD contents by ELISA and Cu/Zn-SOD mRNA in leukocytes by RT-PCR. Results: VE-PO and VE-BMD showed almost comparable effects on Cu/Zn-SOD contents and its mRNA levels in hemodialysis patients. VE-PO resulted in a progressive decrease of Cu/Zn-SOD content (p &lt; 0.001). A comparable progressive decrease was observed also in VE-BMD (p &lt; 0.0001). 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In this study, we compared the antioxidant effects of oral vitamin E supplementation (VE-PO) and vitamin E coating of a dialyzer (VE-BMD) by measuring increased Cu/Zn-SOD in hemodialysis patients. Methods: 31 hemodialysis patients were divided into two groups: 16 hemodialysis patients underwent usual dialysis with vitamin E supplementation 600 mg/day while 15 others were dialyzed using vitamin E-coated membrane for 6 months. Total plasma SOD activity was determined by NBT method, plasma Cu/Zn-SOD contents by ELISA and Cu/Zn-SOD mRNA in leukocytes by RT-PCR. Results: VE-PO and VE-BMD showed almost comparable effects on Cu/Zn-SOD contents and its mRNA levels in hemodialysis patients. VE-PO resulted in a progressive decrease of Cu/Zn-SOD content (p &lt; 0.001). A comparable progressive decrease was observed also in VE-BMD (p &lt; 0.0001). Both VE-PO and VE-BMD resulted in a progressive decrease of Cu/Zn-SOD mRNA (p &lt; 0.01), which reached the level of non-dialyzed CRF patients.</abstract><cop>Basel, Switzerland</cop><pub>Karger</pub><pmid>16155359</pmid><doi>10.1159/000088172</doi><tpages>7</tpages></addata></record>
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subjects Administration, Oral
Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy
Antioxidants - administration & dosage
Antioxidants - therapeutic use
Biological and medical sciences
Coated Materials, Biocompatible
Emergency and intensive care: renal failure. Dialysis management
Female
Humans
Intensive care medicine
Kidney Failure, Chronic - blood
Kidney Failure, Chronic - therapy
Leukocytes - metabolism
Male
Medical sciences
Middle Aged
Nephrology. Urinary tract diseases
Original Report: Patient-Oriented, Translational Research
Renal Dialysis - instrumentation
RNA, Messenger - blood
Superoxide Dismutase - blood
Superoxide Dismutase - genetics
Vitamin E - administration & dosage
Vitamin E - therapeutic use
title Comparison of Effect of Vitamin E-Coated Dialyzer and Oral Vitamin E on Hemodialysis-Induced Cu/Zn-Superoxide Dismutase
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