نتایج جستجو برای: aminolevulinic acid dehydratase
تعداد نتایج: 750676 فیلتر نتایج به سال:
Eryptosis is a physiological phenomenon in which old and damaged erythrocytes are removed from circulation. Erythrocytes incubated with lead have exhibited major eryptosis. In the present work we found evidence of high levels of eryptosis in lead exposed workers possibly via oxidation. Blood samples were taken from 40 male workers exposed to lead (mean blood lead concentration 64.8μg/dl) and no...
The objective of the present study was to evaluate the protective efficacy of gossypin coadministration during lead-ethanol co-exposure. In one of our earlier study we reported the protective efficacy of gossypin against lead induced oxidative stress and it was of interest to observe the efficacy in the situation of combined lead-ethanol exposure. Animals were exposed to lead as lead nitrate (2...
Pfaffia glomerata (Spreng.) Pedersen plantlets were grown under different cadmium (Cd) concentrations (0, 20, 40, 60 and 80 μM) in a hydroponic system during 7 d. Plant growth, micronutrient, chlorophyll and carotenoid concentrations, as well as δ-aminolevulinic acid dehydratase (ALA-D; E.C.4.2.1.24) and acid phosphatase (AP; E.C.3.1.3.2) activities were analysed. Cadmium concentration in both ...
The effect of the antioxidant gallic acid (GA) on Pb toxicity in blood, liver and kidney was investigated in the present study. Rats Wistar received Pb nitrate (50 mg/Kg/day, i.p., 5 days) followed by GA (13.5 mg/Kg, p.o., 3 days) or a chelating agent (EDTA, 55 mg/Kg, i.p.). As result, Pb decreased body weight, hematocrit and blood δ-aminolevulinic acid dehydratase (ALA-D) activity. In addition...
A protein capable of activating 6-aminolevulinic acid synthetase has been purified from rat liver mitochondria. By treatment of the mitochondrial inner membrane-matrix fraction with Lubrol a soluble and active preparation of 6-aminolevulinic acid synthetase has been obtained. Ammonium sulfate fractionation yielded a 33 to 40% saturated fraction containing catalytic 6-aminolewlinic acid syntheta...
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