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Puslapis 1 nuo 225 rezultatus
Poly(ADP-ribose) polymerase is not involved in the neuroprotection exerted by azithromycin against ischemic stroke in mice.
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Repurposing azithromycin has recently emerged as a promising strategy for the acute treatment of ischemic stroke. The mechanism of neuroprotection depends on the ability of this macrolide to promote polarization of microglia/macrophages towards beneficial M2 phenotypes. The immunomodulatory and
Evaluation of the poly(ADP-ribose) polymerase gene in human stroke.
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Nitric oxide (NO) and its reactant product, peroxynitrite, have been implied to mediate neuronal damage following cerebral ischemia. However, the cellular targets of these compounds remain unclear. Studies using poly(ADP-ribose) polymerase (PARP) inhibitors and PARP knock-out mice have recently
Poly(ADP-ribose) polymerase inhibition protect neurons and the white matter and regulates the translocation of apoptosis-inducing factor in stroke.
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Focal cerebral ischemia activates the nuclear protein poly(ADP-ribose) polymerase (PARP). Apoptosis-inducing factor (AIF) is a flavoprotein that is normally confined to the mitochondria, but translocates to the nucleus, as shown by in vitro models of neuronal injury. Using INO-1001, a novel potent
Poly(ADP-ribose) polymerase-1 inhibition increases expression of heat shock proteins and attenuates heat stroke-induced liver injury.
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OBJECTIVE
Heat stroke is a life-threatening illness characterized by an increased core body temperature as a result of exposure to high ambient temperature. Despite advances in supportive care, heat stroke is often fatal, and no specific and effective therapies exist. The pathophysiological
Protective effects of 5-iodo-6-amino-1,2-benzopyrone, an inhibitor of poly(ADP-ribose) synthetase against peroxynitrite-induced glial damage and stroke development.
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Peroxynitrite triggers DNA single-strand breakage, which activates the nuclear enzyme poly(ADP-ribose) synthetase (PARS). Activation of PARS depletes its substrate, NAD+, slowing the rate of glycolysis, electron transport, and ATP formation, resulting in cell necrosis. Here, we demonstrate that
Sex differences in the response to poly(ADP-ribose) polymerase-1 deletion and caspase inhibition after stroke.
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OBJECTIVE
Emerging data suggest that the molecular cell death pathways triggered by ischemic insults differ in the male and female brain. Cell death in males is initiated by poly(ADP-ribose) polymerase-1 (PARP-1) activation; however, manipulation of this pathway paradoxically increases ischemic
Prevention of rt-PA induced blood-brain barrier component degradation by the poly(ADP-ribose)polymerase inhibitor PJ34 after ischemic stroke in mice.
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Recombinant tissue plasminogen activator (rt-PA) is the only pharmacological treatment approved for thrombolysis in patients suffering from ischemic stroke, but its administration aggravates the risk of hemorrhagic transformations. Experimental data demonstrated that rt-PA increases the activity of
Iduna protects the brain from glutamate excitotoxicity and stroke by interfering with poly(ADP-ribose) polymer-induced cell death.
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Glutamate acting on N-methyl-D-aspartate (NMDA) receptors induces neuronal injury following stroke, through activation of poly(ADP-ribose) polymerase-1 (PARP-1) and generation of the death molecule poly(ADP-ribose) (PAR) polymer. Here we identify Iduna, a previously undescribed NMDA receptor-induced
Poly (adp-ribose) polymerase inhibitors as potential therapeutic agents in stroke and neurotrauma.
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Poly (ADP-ribose) polymerase-1 (PARP-1) is a DNA-binding protein that is primarily activated by nicks in the DNA molecule. It regulates the activity of various enzymes - including itself- that are involved in the control of DNA metabolism. Upon binding to DNA breaks, activated PARP cleaves NAD+ into
Nuclear-translocated Glyceraldehyde-3-phosphate Dehydrogenase Promotes Poly(ADP-ribose) Polymerase-1 Activation during Oxidative/Nitrosative Stress in Stroke.
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In addition to its role in DNA repair, nuclear poly(ADP-ribose) polymerase-1 (PARP-1) mediates brain damage when it is over-activated by oxidative/nitrosative stress. Nonetheless, it remains unclear how PARP-1 is activated in neuropathological contexts. Here we report that PARP-1 interacts with a
Poly(ADP-ribose) polymerase impairs early and long-term experimental stroke recovery.
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OBJECTIVE
Poly(ADP-ribose) polymerase (PARP-1; Enzyme Commission 2.4.30) is a nuclear DNA repair enzyme that mediates early neuronal ischemic injury. Using novel 3-dimensional, fast spin-echo-based diffusion-weighted imaging, we compared acute (21 hours) and long-term (3 days) ischemic volume after
Sex differences in the response to activation of the poly (ADP-ribose) polymerase pathway after experimental stroke.
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It is increasingly recognized that histological and functional outcomes after stroke are shaped by biologic sex. Emerging data suggests that ischemic cell death pathways are sexually dimorphic (Hurn, P., Vannucci, S., Hagberg, H. (2005) Adult or perinatal brain injury: does sex matter?. Stroke 36,
Improved Reperfusion and Vasculoprotection by the Poly(ADP-Ribose)Polymerase Inhibitor PJ34 After Stroke and Thrombolysis in Mice.
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Benefits from thrombolysis with recombinant tissue plasminogen activator (rt-PA) after ischemic stroke remain limited due to a narrow therapeutic window, low reperfusion rates, and increased risk of hemorrhagic transformations (HT). Experimental data showed that rt-PA enhances the post-ischemic
Early Treatment with Poly(ADP-Ribose) Polymerase-1 Inhibitor (JPI-289) Reduces Infarct Volume and Improves Long-Term Behavior in an Animal Model of Ischemic Stroke.
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In patients with stroke and neurodegenerative diseases, overactivation of poly(ADP-ribose) polymerase-1 (PARP-1) causes harmful effects by inducing apoptosis, necrosis, neuroinflammation, and immune dysregulation. The current study investigated the neuroprotective effect of a novel PARP-1 inhibitor,
Regulatory T cells increase after treatment with poly (ADP-ribose) polymerase-1 inhibitor in ischemic stroke patients.
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BACKGROUND
Regulatory T cells (Tregs) are thought to play a modulatory role in immune responses and to improve outcomes after ischemic stroke. Thus, various strategies for increasing Tregs in animal models of ischemic stroke have yielded successful results. The aim of this study was to examine the
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