Efforts are made to show similarities between radiolytic and. Additional methods and supplemental figures and tables pdf. Methylseleninic acid induces lipid peroxidation and radiation. These results suggest that ferroptosis and lipid peroxidation contribute to radiationinduced cell death in ht1080 cells, and that this ferroptotic cell death can be enhanced by the addition of otherwise sublethal concentrations of ike or rsl3. Radiationinduced lipid peroxidation triggers ferroptosis and. Request pdf radiation induced lipid peroxidation triggers ferroptosis and synergizes with ferroptosis inducers although radiation is widely used to treat cancers, resistance mechanisms often. Inhibition of radiationinduced lipid peroxidation by tetrahydrocurcumin. Calmodulin antagonists also decreased the cytochrome p450 content of microsomes. Antioxidant activity of capsaicin on radiationinduced oxidation of murine hepatic mitochondrial membrane preparation ramachandran gangabhagirathi,1 ravi joshi,2 1bioorganic division, 2radiation and photochemistry division, bhabha atomic research center, trombay, mumbai, india abstract. Pdf scoparone inhibits ultraviolet radiationinduced lipid. Lipid peroxidation is shown to have importance in understanding the modifications of radiation effects. Curcumin was incorporated into microsomes during ultracentrifugation.
Radiationinduced lipid peroxidation triggers ferroptosis and synergizes. Although radiation is widely used to treat cancers, resistance mechanisms often develop and involve activation of dna repair and inhibition of apoptosis. Lipid peroxidation after ionizing irradiation leads to apoptosis and. When the microsomes are irradiated in the presence of n20, the resulting lipid peroxidation is predominantly due to hydroxyl radicals. Vitamin e and vitamin c completely protected against uvbradiationinduced lipid peroxidation p pdf 51 k pdf plus 97 k citing articles.
We report here that ferroptosis, a form of nonapoptotic cell death driven by lipid peroxidation, is partly responsible for. Effects of calmodulin antagonists on radiationinduced. Ionizing radiationinduced metabolic oxidative stress and. Radiation induced peroxidation and fragmentation of lipids in a model membrane. Capsaicin is the major capsaicinoid in chili peppers and is widely used as a spice. Radiationinduced peroxidation and fragmentation of lipids. We report here that ferroptosis, a form of nonapoptotic cell death driven by lipid peroxidation, is partly responsible for radiationinduced cancer cell death. Swiss albino mice were administered mole 300 mgkg of body weight for 15 consecutive days before exposing them to a single dose of 5 gy of 60 co. Radiationinduced lipid peroxidation triggers ferroptosis. Request pdf radiationinduced lipid peroxidation triggers ferroptosis and synergizes with ferroptosis inducers although radiation is widely used to treat cancers, resistance mechanisms often. Topical antioxidant vitamins c and e prevent uvbradiation.
Inhibition of radiationinduced lipid peroxidation by curcumin in n20 saturated rat liver microsomes. Inhibition of radiation induced lipid peroxidation by tetrahydrocurcumin. Ionizing radiation is classified as either electromagnetic or particulate. Pdf inhibition of radiationinduced lipid peroxidation. Ionizing radiation is known to induce oxidative stress through generation of reactive oxygen species ros resulting in imbalance of the prooxidant and antioxidant activities ultimately resulting in cell death.
Modulation of radiation induced lipid peroxidation by phospholipase. Ionizing radiation track structure and the nature of induced biological effects. Inhibition of radiationinduced lipid peroxidation by. Ionizing radiation track structure and the nature of induced biological effects ionizing radiation is classified as either electromagnetic or particulate. The antioxidant has significant time and concentrationdependent inhibitory effect on lipid peroxidation induced by rradiation. The present study evaluated the hepatoprotective effect of aqueous ethanolic moringa oleifera leaf extract mole against radiationinduced oxidative stress, which is assessed in terms of inflammation and lipid peroxidation. It is the interaction of these radiationinduced free radicals with important biomolecules within the cell that is the basis of the cellular sensitivity to radiation. Pdf influence of ferulic acid on gammaradiation induced. Lipid peroxidation was found to increase with increase in concentrations of ferrous ions fig. Amelioration of ionizing radiation induced lipid peroxidation. Vitamin e and vitamin c completely protected against uvb radiation induced lipid peroxidation p induced a vitamin e consumption of up to 100% in the stratum corneum and viable epidermis, and a vitamin c consumption of only 21% in the stratum corneum. Radiation induced peroxidative damage semantic scholar.
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