نتایج جستجو برای: key words oxidative stress
تعداد نتایج: 1113793 فیلتر نتایج به سال:
metals can cause oxidative stress by increasing the formation of reactive oxygen species (ros), which make antioxidants incapable of defiance against growing amounts of free radicals. metal toxicity is related to their oxidative state and reactivity with other compounds. however, several reports about metals have been published in the recent years. mitochondria, as a site of cellular oxygen con...
Key Words: uncoupling proteins Ⅲ mitochondrion Ⅲ peroxisome proliferator-activated receptor Ⅲ oxidative stress Ⅲ blood pressure L iving organisms possess a variety of physiological protective mechanisms to counteract oxidative stress and to restore redox balance. Oxidative damage to cells that results from an imbalance of production over degradation of the reactive oxygen species (ROS), particu...
LysR-type transcriptional regulators (LTTRs) are emerging as key circuit components in regulating microbial stress responses and are implicated in modulating oxidative stress in the human opportunistic pathogen Pseudomonas aeruginosa. The oxidative stress response encapsulates several strategies to overcome the deleterious effects of reactive oxygen species. However, many of the regulatory comp...
Nrf2, a redox sensitive transcription factor, plays a pivotal role in redox homeostasis during oxidative stress. Nrf2 is sequestered in cytosol by an inhibitory protein Keap1 which causes its proteasomal degradation. In response to electrophilic and oxidative stress, Nrf2 is activated, translocates to nucleus, binds to antioxidant response element (ARE), thus upregulates a battery of antioxidan...
Oxidative stress is one of the key factors that contributes to the pathogenesis of keratoconus (KC). Macroautophagy is a vital cellular mechanism that is activated in response to oxidative stress. The aim of this study was to understand the role of the autophagic lysosomal pathway in the oxidative damage of KC corneal epithelium and the human corneal epithelial cell line (HCE).The corneal epith...
background: recently, it has been revealed that tyrosine kinase inhibitors (tkis) act through inducing both oxidative and endoplasmic reticulum (er) stress in chronic myeloid leukemia cells. however, er stress signaling triggers both apoptotic and survival processes within cells. nevertheless, mechanisms by which tkis avoid the pro-survival effects are not clear. the aim of this study was to ev...
background: acetaminophen (apap) overdose causes renal and hepatic injury. it is also believed that oxidative stress has a pivotal role in apap-induced renal injury. therefore, protective effects of different antioxidants have been examined in apap-induced renal and hepatic toxicity models. stevia rebadiana is a plant with a high degree of natural antioxidant activity in its leaf extract. t...
background: nonalcoholic steatohepatitis (nash), a progressive stage of nonalcoholic fatty liver disease (nafld), is characterized by steatosis with inflammation. investigations have suggested that oxidative stress may play an important role in the progress of nafld to nash. to provide further insights into beneficial effects of antioxidants in nash prevention, we employed two manganese-superox...
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