نتایج جستجو برای: κb oxidative stress sepsis s
تعداد نتایج: 1230834 فیلتر نتایج به سال:
PURPOSE Severe oxidative stress is an important event that occurs in patients with sepsis. The body has extensive and multiple defense mechanisms against the reactive oxygen species (ROS) produced during inflammation and sepsis. One of these mechanisms includes a group of enzymes that utilize selenium as their cofactor. The purpose of this study is investigating of Selenium effect on oxidative ...
Sepsis and sepsis syndrome are leading causes of mortality throughout the world. It is widely held that sepsis represents a dysregulated innate immune response to an offending pathogen. This immune response is often initiated via microbial products signaling through TLRs expressed on host immune cells. There is increasing evidence that this innate response can be dramatically influenced by the ...
Sepsis is a complex inflammatory syndrome with diverse etiology and wide spectrum of severity. Several researchers have linked reactive oxygen species (ROS) and reactive nitrogen species (RNS) with the onset, progression and outcome of sepsis, both in pre-clinical and in clinical studies. ROS/RNS are important signaling molecules but its overproduction must be avoided by organism, otherwise oxi...
Beneficial actions of EGb 761 against ischemia/reperfusion (I/R) injury in lung, brain and renal ischemia have been described. However, the relationship between EGb 761 and signal molecules in myocardial ischemia reperfusion has not been well elucidated. In this study, we investigated the effects and mechanism of EGb 761 preconditioning on anti-myocardial I/R injuries in vivo. Meanwhile, their ...
Cardiomyopathy frequently complicates sepsis and is associated with increased mortality. Increased cardiac oxidative stress and mitochondrial dysfunction have been observed during sepsis, but the mechanisms responsible for these abnormalities have not been determined. We hypothesized that NADPH oxidase 2 (NOX2) activation could be responsible for sepsis-induced oxidative stress and cardiomyopat...
OBJECTIVE To investigate Cartilage glycoprotein 39 (Cgp-39) expression in peripheral blood monocytes of septic rats, and analyze the relationship between Toll-like receptor 4 (TLR4)-NF-κB signalling pathway and Cgp-39 expression. METHODS The ligation puncture was performed to establish rat sepsis model, and ELISA was used to measure serum Cgp-39 concentration. Peripheral blood mononuclear cel...
Acute paraquat (PQ) poisoning is one of the most common forms of pesticide poisoning. Oxidative stress and inflammation are thought to be important mechanisms in PQ-induced acute lung injury (ALI). Selenium (Se) can scavenge intracellular free radicals directly or indirectly. In this study, we investigated whether porous Se@SiO2 nanospheres could alleviate oxidative stress and inflammation in P...
BACKGROUND Isoflavones are biologically active compounds that occur naturally in a variety of plants, with relatively high levels in soybean. Tectorigenin, an isoflavone, protects against hydrogen peroxide (H2O2)-induced cell damage. However, the underlying mechanism is unknown. METHODS The MTT assay was performed to determine cell viability. Catalase activity was assessed by determining the ...
Though the detailed pathological mechanism of post-infectious irritable bowel syndrome (PI-IBS) remains unclear, accumulating evidence indicates that oxidative stress and inflammation are implicated in the process of PI-IBS. Oxidative stress and inflammation are regulated by Nrf2 and NF-κB signaling pathways, respectively. EphA2, a member of Eph receptor family, promotes oxidative stress and in...
BACKGROUND This review article is important for allergists/immunologists and otolaryngologists. It discussed chronic rhinosinusitis, epidemiology, pathogenesis, innate adaptive immunology, nuclear factor-kappa B related to inflammation, sepsis, complement, reactive oxygen species, asthma, sinusitis, elderly pathogenesis, oxidative stress, depression, seasonal variation, vitamin D, genetic susce...
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