نتایج جستجو برای: hsp72 سرم
تعداد نتایج: 13566 فیلتر نتایج به سال:
BACKGROUND Previously, we have observed that the isolated, erythrocyte-perfused rabbit heart has increased levels of heat-shock protein (HSP) 72 after a mild mechanical stress. We hypothesized that stretch-activated ion channels (SACs) mediated this increase. Methods and Results-- To test this hypothesis, we subjected isolated, perfused rat hearts to mechanical stretch. Gel mobility shift assay...
Quercetin is a natural flavonoid with pro-apoptotic and antiproliferative properties. In this study, we determined the sensitivity of neurons and neuroblastoma cells on apoptosis and necrosis induction upon quercetin treatment. No expression of Hsp72 was observed in neurons, which were more sensitive to cell death upon quercetin treatment than neuroblastoma cells, where Hsp72 expression was obs...
Given the potential of reactive oxygen species to damage intracellular proteins during subsequent bouts of muscle contractions, it was suggested that, when this production exceeds the antioxidant capacity, the preexisting antioxidant pathways may be complemented by the synthesis of the defense mechanism represented by heat shock proteins (HSPs), stress proteins with the function of repair and m...
Cortical spreading depression (CSD) was induced in male Wistar rats by applying 2 M KCl to the frontal cortex of one hemisphere for 2 h. Saline was applied to the contralateral cortex in the same manner. Following recovery for 24 h, bilateral forebrain ischemia was induced for 6 min, and the animals were permitted to survive for 6 days for assessment of histopathology. The number of necrotic ne...
In our previous studies of heat-shock protein (hsp) expression in congeneric marine gastropods of the genus Tegula, we observed interspecific and acclimation-induced variation in the temperatures at which heat-shock gene expression is induced (T(on)). To investigate the factors responsible for these inter- and intraspecific differences in T(on), we tested the predictions of the 'cellular thermo...
Inhibition of the mitochondrial release and nuclear translocation of apoptosis-inducing factor (AIF) by heat stress protein (HSP)72 may ameliorate apoptosis in renal epithelial cells exposed to a metabolic inhibitor. To evaluate this hypothesis, cells were transiently exposed to 5 mM sodium cyanide in the absence of medium glucose, a maneuver known to induce apoptosis. ATP depletion for 1-2 h r...
BACKGROUND Microscopic light during in vitro production (IVP) is a common stress factor compromising embryo development and viability. Many studies discussing detrimental effects of light have been conducted on in vivo matured/fertilized oocytes or on flushed embryos that were exposed to light only when cultured in vitro. The aim of this work was to examine the effects of light composition duri...
The contribution of heat and exercise related stress to the release of heat shock protein 72 (HSP72) is currently unknown. The purpose of the present study was to determine the combined and independent effects of heat and exercise on the extracellular (e)HSP72 response. Eleven moderately trained male volunteers [means +/- SD: age 21 +/- 4 yr; body mass 75.7 +/- 7.7 kg; maximal oxygen uptake ((....
Heat treatment (HT) effectively prevents insulin resistance and glucose intolerance in rats fed a high-fat diet (HFD). The positive metabolic actions of heat shock protein 72 (HSP72), which include increased oxidative capacity and enhanced mitochondrial function, underlie the protective effects of HT. The purpose of this study was to test the ability of HSP72 induction to mitigate the effects o...
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