oxygenase/hemorrhage

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Recombinant milk fat globule-EGF factor-8 reduces oxidative stress via integrin β3/nuclear factor erythroid 2-related factor 2/heme oxygenase pathway in subarachnoid hemorrhage rats.

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OBJECTIVE Milk fat globule-EGF factor-8 (MFGE8) has been reported to be neuroprotective in ischemic stroke. However, the effects of MFGE8 in early brain injury after subarachnoid hemorrhage (SAH) have not been investigated. We investigated the role of MFGE8 in early brain injury and the potential

[Effects of L. lactis recombinant heme oxygenase-1 gene on the intestinal barrier in rats with hemorrhagic shock].

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OBJECTIVE To evaluate the effect of gavage of L. lactis recombinant heme oxygenase-1 (HO-1) gene on protection of the intestinal mucosa and the inflammation of lower intestine during hemorrhagic shock. METHODS A model of hemorrhagic shock was reproduced in 30 SD healthy male rats. They were randomly

Effect of hypertonic versus isotonic saline resuscitation on heme oxygenase-1 expression in visceral organs following hemorrhagic shock in rats.

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To compare the early effects of hypertonic and isotonic saline resuscitation on heme oxygenase-1 (HO-1) expression in organs of rats with hemorrhagic shock. Rats were randomly divided into hypertonic saline resuscitation (HTS), normal saline resuscitation (NS) and sham groups. HO-1 mRNA, protein

Protective role of heme oxygenase 1 in the intestinal tissue injury in hemorrhagic shock in rats.

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Heme oxygenase (HO) 1 is inducible by a variety of oxidative stress and is thought to play an important role in the protection of tissues from oxidative injuries. Because hemorrhagic shock (HS) is an oxidative stress that results in tissue injury, we examined in this study the role of HO-1 induction

Protective effects of heme oxygenase-1 against cyclophosphamide-induced haemorrhagic cystitis in rats.

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OBJECTIVE To investigate the expression profiles and protective roles of the inducible isoform of heme oxygenase-1 (HO-1) in cyclophosphamide (CYP)-induced cystitis, as the HO system is involved in heme degradation and plays an important role in cellular homeostasis but its characterization is still

Effects of heme oxygenase-1 recombinant Lactococcus lactis on the intestinal barrier of hemorrhagic shock rats.

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This study aimed to investigate the effects of heme oxygenase-1 recombinant Lactococcus lactis (LL-HO-1) on the intestinal barrier of rats with hemorrhagic shock. One hundred Sprague-Dawley male rats (280-320 g) were randomly divided into healthy control group (N group) and hemorrhagic shock group

Prognostic value of intrathecal heme oxygenase-1 concentration in patients with Fisher Grade III aneurysmal subarachnoid hemorrhage.

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OBJECTIVE Experimental studies have demonstrated the crucial role of posthemorrhagic erythrocyte catabolism in the pathogenesis of subarachnoid hemorrhage (SAH). The authors of this study aimed to investigate the prognostic value of a series of CSF biomarkers linked to heme metabolism in SAH

Time course of increased heme oxygenase activity and expression after experimental intracerebral hemorrhage: correlation with oxidative injury.

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Heme oxygenase (HO) activity in tissue adjacent to an intracerebral hematoma may modulate cellular vulnerability to heme-mediated oxidative injury. Although HO-1 is induced after experimental intracerebral hemorrhage (ICH), the time course of this induction, its effect on tissue HO activity, and its

Heme oxygenase-1 and ferritin are increased in cerebral arteries after subarachnoid hemorrhage in monkeys.

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Hemoglobin is a key factor in the production of cerebral vasospasm. Metabolism of hemoglobin involves breakdown of heme by heme oxygenase (HO) and sequestration of the released iron in ferritin. We determined whether subarachnoid hemorrhage induces these proteins in cerebral arteries and, if so, in

Maintenance of lung myeloperoxidase activity in proestrus females after trauma-hemorrhage: upregulation of heme oxygenase-1.

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Previous studies showed that females in the proestrus stage of the reproductive cycle maintain organ functions after trauma-hemorrhage. However, it remains unknown whether the female reproductive cycle is an important variable in the regulation of lung injury after trauma-hemorrhage and, if so,

Attenuation of oxidative injury after induction of experimental intracerebral hemorrhage in heme oxygenase-2 knockout mice.

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OBJECTIVE Experimental evidence suggests that hemoglobin degradation products contribute to cellular injury after intracerebal hemorrhage (ICH). Hemoglobin breakdown is catalyzed in part by the heme oxygenase (HO) enzymes. In the present study, the authors tested the hypothesis that HO-2 gene

Heme oxygenase 1 plays role of neuron-protection by regulating Nrf2-ARE signaling post intracerebral hemorrhage.

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The NF-E2 related factor 2 (Nrf2) could be activated in intracerebral hemorrhage (ICH), and trigger the expression of ARE regulated heme oxygenase 1 (HO-1) subsequently. This study aims to explore neuroprotection of HO-1 protein in regulating the Nrf2-ARE signaling pathway in ICH. In this study, the

Kupffer cells and neutrophils as paracrine regulators of the heme oxygenase-1 gene in hepatocytes after hemorrhagic shock.

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Heme oxygenase (HO) plays a pivotal role for the maintenance of liver blood flow and hepatocellular integrity after hemorrhagic shock. We investigated the role of Kupffer cells and neutrophils as paracrine modulators of hepatocellular HO-1 gene expression in a rat model of hemorrhage and

Selective brain cooling in rats ameliorates intracerebral hemorrhage and edema caused by penetrating brain injury: possible involvement of heme oxygenase-1 expression.

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Brain edema formation associated with trauma-induced intracerebral hemorrhage (ICH) is a clinical complication with high mortality. Studies have shown that heme oxygenase-1 (HO-1) plays an important role in ICH-induced brain edema. In order to understand the role of HO-1 in the protective effect of

Mechanism of hepatoprotection in proestrus female rats following trauma-hemorrhage: heme oxygenase-1-derived normalization of hepatic inflammatory responses.

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Hepatic damage occurs in males and ovariectomized (OVX), not in proestrus (PE), females following trauma-hemorrhage (T-H). The mechanism responsible for hepatoprotection remains unknown. We hypothesized protection in PE is a result of enhanced heme oxygenase-1 (HO-1)-derived down-regulation of liver

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