Role of vitamin E-coated membrane in reducing advanced glycation end products in hemodialysis patients: a pilot study.
Blood Purif
; 24(4): 369-76, 2006.
Article
in En
| MEDLINE
| ID: mdl-16755158
ABSTRACT
INTRODUCTION:
Advanced glycation end products (AGEs) are markers of oxidative stress.AIMS:
To assess if a vitamin-E-coated dialyzer affects plasma AGE levels and endothelial function in hemodialysis patients.METHODS:
16 patients were dialyzed with a synthetic modified cellulose membrane (SMC, n = 8) or a vitamin E-coated dialyzer (n = 8), respectively. At week 32 endothelial function was determined as brachial artery flow-mediated dilatation (FMD). Total AGEs, free pentosidine (FP), protein-bound pentosidine (BP) and autoantibodies against oxidized LDL (ox-LDL-autoantibodies) were assessed at baseline (T0) and at 16, 32, 40 and 42 weeks (T16, T32, T40 and T42).RESULTS:
At T16 and T32 FP and BP were lower in vitamin E than in SMC (T 16 88.7 +/- 8.96 vs. 124.2 +/- 11.90 pmol/ml plasma; p = 0.04, and 22.9 +/- 2.99 vs. 32.8 +/- 2.98 pmol/mg proteins; p = 0.04. T32 78.7 +/- 8.54 vs. 123.7 +/- 10.15 pmol/ml plasma; p = 0.007, and 19.9 +/- 2.0 vs. 33.67 +/- 2.41 pmol/mg proteins; p = 0.001). In vitamin E, AGEs were lower at T32, T40 and T42 (946.7 +/- 80.91 vs. 1,351.2 +/- 179.33 AU/ml, p = 0.05; 986.9 +/- 59.63 vs. 1,509.9 +/- 154.17 AU/ml, p = 0.013; 890.3 +/- 73.70 vs. 1,453.9 +/- 153.16 AU/ml, p = 0.009). At T32 AGEs, ox-LDL autoantibodies and FMD were inversely correlated (R = -0.70 p = 0.007 and R = -0.59, p = 0.04, respectively).CONCLUSIONS:
Vit E-coated membrane reduces plasma AGEs levels and AGEs values are negatively correlated with FMD.
Search on Google
Collection:
01-internacional
Database:
MEDLINE
Main subject:
Vitamin E
/
Renal Dialysis
/
Glycation End Products, Advanced
/
Membranes, Artificial
/
Antioxidants
Limits:
Aged
/
Female
/
Humans
/
Male
/
Middle aged
Language:
En
Journal:
Blood Purif
Year:
2006
Document type:
Article
Affiliation country:
Italy