Evidence of red blood cell membrane lipid peroxidation in haemodialysis patients. 1984

O Giardini, and M Taccone-Gallucci, and R Lubrano, and G Ricciardi-Tenore, and D Bandino, and I Silvi, and U Ruberto, and C U Casciani

Some metabolic alterations of the pentose-phosphate shunt can increase susceptibility to red blood cell (RBC) lipid peroxidation in uraemic patients on maintenance haemodialysis. We investigated this phenomenon in 19 uraemic patients undergoing chronic haemodialysis by determining RBC malonyldialdehyde (MDA), a secondary product of lipid peroxidation and plasma and RBC tocopherols, which are powerful antioxidants. Evidence of RBC membrane lipid peroxidation was demonstrated by an increase of RBC MDA. RBC tocopherols were significantly decreased because of enhanced antioxidant activity. No significant variations of these parameters were found before and after dialysis.

UI MeSH Term Description Entries
D008054 Lipid Peroxides Peroxides produced in the presence of a free radical by the oxidation of unsaturated fatty acids in the cell in the presence of molecular oxygen. The formation of lipid peroxides results in the destruction of the original lipid leading to the loss of integrity of the membranes. They therefore cause a variety of toxic effects in vivo and their formation is considered a pathological process in biological systems. Their formation can be inhibited by antioxidants, such as vitamin E, structural separation or low oxygen tension. Fatty Acid Hydroperoxide,Lipid Peroxide,Lipoperoxide,Fatty Acid Hydroperoxides,Lipid Hydroperoxide,Lipoperoxides,Acid Hydroperoxide, Fatty,Acid Hydroperoxides, Fatty,Hydroperoxide, Fatty Acid,Hydroperoxide, Lipid,Hydroperoxides, Fatty Acid,Peroxide, Lipid,Peroxides, Lipid
D008297 Male Males
D008315 Malondialdehyde The dialdehyde of malonic acid. Malonaldehyde,Propanedial,Malonylaldehyde,Malonyldialdehyde,Sodium Malondialdehyde,Malondialdehyde, Sodium
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D010428 Pentosephosphates
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D004910 Erythrocyte Membrane The semi-permeable outer structure of a red blood cell. It is known as a red cell 'ghost' after HEMOLYSIS. Erythrocyte Ghost,Red Cell Cytoskeleton,Red Cell Ghost,Erythrocyte Cytoskeleton,Cytoskeleton, Erythrocyte,Cytoskeleton, Red Cell,Erythrocyte Cytoskeletons,Erythrocyte Ghosts,Erythrocyte Membranes,Ghost, Erythrocyte,Ghost, Red Cell,Membrane, Erythrocyte,Red Cell Cytoskeletons,Red Cell Ghosts
D005260 Female Females
D006435 Renal Dialysis Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION. Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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