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  • Title: Oxidative stress and delta-ALA-D activity in chronic renal failure patients.
    Author: da Silva AC, Rocha JB, Morsch AL, Zanin RF, Kaizer R, Maldonado PA, Arantes LC, Silva LA, Morsch VM, Schetinger MR.
    Journal: Biomed Pharmacother; 2007; 61(2-3):180-5. PubMed ID: 17383846.
    Abstract:
    In this paper, we studied the influence of uremia and hemodialysis on oxidative parameters and delta-aminolevulinic acid dehydratase (delta-ALA-D) activity in control subjects, patients with chronic renal failure (CRF) on hemodialysis treatment (HD) and in patients not undergoing hemodialysis (ND). An increased lipid peroxidation was observed in the serum of HD and ND patients, as measured by the MDA serum levels. However, the level of MDA from erythrocytes was only elevated in HD patients. Blood catalase activity was increased in HD and ND groups. This study also showed a decreased activity of blood delta-aminolevulinic acid dehydratase (delta-ALA-D) in both groups of patients. This study demonstrated a positive correlation between ALA-D activity and hemoglobin, suggesting that inhibition of this enzyme might enhance anemia in CRF. A negative correlation was found between the alteration in delta-ALA-D activity and oxidative stress, which may indicate that the inhibition of ALA-D can be used as an index of oxidative stress.
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