carotenoid/blödning

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Amelioration of oxidative stress and protection against early brain injury by astaxanthin after experimental subarachnoid hemorrhage.

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OBJECT.: Aneurysmal subarachnoid hemorrhage (SAH) causes devastating rates of mortality and morbidity. Accumulating studies indicate that early brain injury (EBI) greatly contributes to poor outcomes after SAH and that oxidative stress plays an important role in the development of EBI following SAH.

Perihematomal Cellular Injury Is Reduced by Trans-sodium Crocetinate in a Model of Intracerebral Hemorrhage.

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The carotenoid compound trans-sodium crocetinate (TSC) has been shown to increase oxygenation in various tissues, including the brain. Notably, TSC can enhance oxygenation under conditions of reduced blood flow, thus attenuating the depth of an ischemic challenge. This study examined the impact of

Carotenoid compound crocetin improves cerebral oxygenation in hemorrhaged rats.

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The carotenoid compound crocetin has been shown to increase oxygen diffusivity in vitro. In the present study the effect of crocetin on tissue oxygenation was examined in the cerebral cortex of rats subjected to hemorrhage. Twelve male Sprague-Dawley rats were anesthetized with pentobarbital and

Receptor-Mediated Delivery of Astaxanthin-Loaded Nanoparticles to Neurons: An Enhanced Potential for Subarachnoid Hemorrhage Treatment.

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Astaxanthin (ATX) is a carotenoid that exerts strong anti-oxidant and anti-inflammatory property deriving from its highly unsaturated molecular structures. However, the low stability and solubility of ATX results in poor bioavailability, which markedly hampers its application as therapeutic agent in

Effects of nutritional supplementation on periodontal parameters, carotenoid antioxidant levels, and serum C-reactive protein.

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Few studies have focused on the role of nutrition in periodontal disease. The purpose of this trial was to determine the effect of a nutritional supplement on gingival inflammation, bleeding, probing depth, clinical attachment level, carotenoid antioxidant level, and C-reactive protein. The test

Relation of consumption of vitamin E, vitamin C, and carotenoids to risk for stroke among men in the United States.

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BACKGROUND Antioxidants increase the resistance of low-density lipoprotein to oxidation and may thereby reduce risk for atherosclerosis. OBJECTIVE To determine whether intake of vitamin E, vitamin C, or carotenoids predict risk for total or ischemic stroke. METHODS Prospective observational

The effect of crocetin on hemorrhagic shock in rats.

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There is a reduction in oxygen consumption during hemorrhagic shock, and it has been suggested that this correlates with mortality. Recent data indicate that the consumption of oxygen may depend on its diffusion from the erythrocytes to the mitochondria; thus, enhancing this rate might increase

Molecular basis of protective effect by crocetin on survival and liver tissue damage following hemorrhagic shock.

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Hemorrhagic shock (HS) causes reduction of cellular energy stores, as measured by levels of ATP and ADP. Furthermore, energy depletion may cause mitochondrial damage, which in turn leads to cell death by apoptosis. The hypothesis of the present study is that by enhancing the recovery of cellular ATP

Induction of Callogenesis, Organogenesis, and Embryogenesis in Non-Meristematic Explants of Bleeding Heart and Evaluation of Chemical Diversity of Key Metabolites from Callus

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Lamprocapnos spectabilis (L.) Fukuhara is a perennial plant species valued in the horticultural, cosmetic, and pharmaceutical markets. To date, however, there were no studies on tissue culture systems in this species when adjusted from non-meristematic explants. The aim of this study is to

Trans-sodium crocetinate improves outcomes in rodent models of occlusive and hemorrhagic stroke.

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Trans-sodium crocetinate (TSC) is a novel carotenoid compound capable of enhancing the diffusion of small molecules in aqueous solutions. TSC improves the diffusion of oxygen and glucose, and increases oxygenation in ischemic brain tissue. TSC also dampens the intensity of an ischemic challenge

Effects of lutein on brain damage and vasospasm in the experimental subarachnoid hemorrhage model

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Objective: Vasospasm frequently developed after subarachnoid hemorrhage is one of the most important causes of mortality and morbidity. Lutein is a carotenoid with antioxidant and anti-inflammatory properties. The aim of present study is

Crocin attenuation of neurological deficits in a mouse model of intracerebral hemorrhage.

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Intracerebral hemorrhage (ICH) is a devastating subtype of stroke that is associated with high morbidity and mortality. However, up to now, there are no effective prevention methods or specific therapies to improve its clinical outcomes. Herein, we explore preliminarily the efficacy of crocin, a

Astaxanthin offers neuroprotection and reduces neuroinflammation in experimental subarachnoid hemorrhage.

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BACKGROUND Neuroinflammation has been proven to play a crucial role in early brain injury pathogenesis and represents a target for treatment of subarachnoid hemorrhage (SAH). Astaxanthin (ATX), a dietary carotenoid, has been shown to have powerful anti-inflammation property in various models of

Crocetin inhibits mRNA expression for tumor necrosis factor-alpha, interleukin-1beta, and inducible nitric oxide synthase in hemorrhagic shock.

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BACKGROUND Inflammatory factors play an important role in cellular damage after shock and resuscitation. Crocetin, a saffron-derived carotenoid, has been shown to improve postshock recovery of cellular adenosine triphosphate (ATP) and to increase overall survival in an experimental model of

Intake of flavonoids, carotenoids, vitamins C and E, and risk of stroke in male smokers.

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OBJECTIVE Antioxidants may protect against atherosclerosis and thus prevent cerebrovascular disease. We studied the association between dietary antioxidants and subtypes of stroke. METHODS The study cohort consisted of 26 593 male smokers, aged 50 to 69 years, without a history of stroke. They were

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