نتایج جستجو برای: apoptosis inducing factor aif
تعداد نتایج: 1013509 فیلتر نتایج به سال:
Apoptosis resistance in melanoma is a primary cause of treatment failure. Apoptotic pathways in melanocytes, from which melanoma arises, are poorly characterized. Human melanocytes were susceptible to apoptosis following exposure to UV radiation (UVB, 24-48 hours), 4-tert-butylphenol (4-TBP, 1-4 hours), and cisplatin (24-48 hours). These responses were associated with Bid cleavage, caspase acti...
Apoptosis-inducing factor (AIF) is a mitochondrial flavoprotein with NADH oxidase activity that has a vital function in healthy cells but is also an important mediator of caspase-independent programmed cell death in stressed and damaged cells. Here, we generated a truncated AIF derivative (AIF(Delta100)) that lacks the mitochondrial import signal of the protein. Bacterially expressed AIF(Delta1...
Apoptosis-inducing factor (AIF) is an evolutionarily conserved, ubiquitously expressed flavoprotein with NADH oxidase activity that is normally confined to mitochondria. In mammalian cells, AIF is released from mitochondria in response to apoptotic stimuli and translocates to the nucleus where it is thought to bind DNA and contribute to chromatinolysis and cell death in a caspase-independent ma...
Apoptosis-inducing factor (AIF) is a mitochondrial oxidoreductase originally identified for its role in caspase-independent programmed cell death (PCD). In this study, we investigated AIF protein expression levels in frontal and temporal cortices of normal subjects of various ages, as well as in subjects with Alzheimer's disease (AD). AIF levels were also measured in the hippocampus of age-matc...
Mitochondria release proteins that propagate both caspase-dependent and caspase-independent cell death pathways. AIF (apoptosis-inducing factor) is an important caspase-independent death regulator in multiple neuronal injury pathways. Presently, there is considerable controversy as to whether AIF is neuroprotective or proapoptotic in neuronal injury, such as oxidative stress or excitotoxicity. ...
Apaf-1(-/-) or caspase-3(-/-) cells treated with a variety of apoptosis inducers manifest apoptosis-associated alterations including the translocation of apoptosis-inducing factor (AIF) from mitochondria to nuclei, large scale DNA fragmentation, and initial chromatin condensation (stage I). However, when compared with normal control cells, Apaf-1(-/-) or caspase-3(-/-) cells fail to exhibit oli...
Exposure of pulmonary artery endothelial cells (PAECs) to hyperoxia results in a compromise in endothelial monolayer integrity, an increase in caspase-3 activity, and nuclear translocation of apoptosis-inducing factor (AIF), a marker of caspase-independent apoptosis. In an endeavor to identify proteins involved in hyperoxic endothelial injury, we found that the protein expression of heat-shock ...
The aim of this study was to observe the expression of poly ADP-ribose polymerase (PARP) and apoptosis-inducing factor (AIF) in the CA1 region of the hippocampus and to explore whether cilostazol pretreatment exerts a protective effect on the brain through the PARP/AIF-mediated pathway in a rat model of cerebral ischemia-reperfusion. Rats were randomly divided into three groups: Sham-surgery, i...
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