نتایج جستجو برای: superoxide dismutase sod
تعداد نتایج: 38164 فیلتر نتایج به سال:
BACKGROUND AND PURPOSE Free radicals including superoxide are responsible for postlesional cytotoxicity. In contrast to the constitutive CuZn-superoxide dismutases (SODs), manganese-superoxide dismutase (Mn-SOD) is inducible and has the potential to protect neurons by its superoxide dismutating activity. Therefore, we studied the presence and the regional changes in Mn-SOD within the brain afte...
Targeting of the antioxidant enzyme catalase to endothelial cells protects against vascular oxidative stress induced by hydrogen peroxide (H(2)O(2))(Am J Physiol 285:L283-L292, 2003; Nat Biotechnol 21:392-398, 2003; Am J Physiol 293:L162-L169, 2007). However, another reactive oxygen species, superoxide anion, is also involved in many forms of vascular oxidative stress, including ischemia/reperf...
superoxide dismutase (sod) is an important antioxidant that protects many types of cells from the free radical damage. one of the possible ways for the use of sod is its incorporation in liposomes. the aim of this study was to investigate the effect of cationic phospholipids on the entrapment of human erythrocyte superoxide dismutase (cu/zn sod) in liposomes. also, in the present study, we exam...
PURPOSE To evaluate the age-induced changes in corneal endothelial morphology in mice lacking the cytosolic copper-zinc superoxide dismutase (SOD-1), the interstitial extracellular superoxide dismutase (SOD-3), or both of these SOD isoenzymes. METHODS The central corneal endothelial morphologies of old C57BL-6J wild type (n=19), SOD-1 null (n=16), SOD-3 null (n=15), and SOD1/3 null (n=11) mic...
No medication exists that clearly improves the mortality of chronic obstructive pulmonary disease (COPD). Oxidative molecules, in particular superoxide anions, play important roles in the COPD-associated abnormal inflammatory response and pulmonary emphysema, which arises because of an imbalance in proteases and antiproteases and increased apoptosis. Superoxide dismutase (SOD) catalyzes the dis...
Blood vessels express 3 isoforms of superoxide dismutase (SOD): cytosolic or copper-zinc SOD (CuZn-SOD), manganese SOD (Mn-SOD) localized in mitochondria, and an extracellular form of CuZn-SOD (EC-SOD). Because there are no selective pharmacological inhibitors of individual SOD isoforms, the functional importance of the different SODs has been difficult to define. Recent molecular approaches, p...
The enzyme activity of superoxide dismutase was improved in the pyrogallol autoxidation system by about 27%, after interaction between hydroxypropyl-β-cyclo-dextrin and superoxide dismutase. Fluorescence spectrometry was used to study the interaction between hydroxypropyl-β-cyclodextrin and superoxide dismutase at different temperatures. By doing this, it can be found that these interactions in...
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