arachidonic acid/stroke

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Eicosapentaenoic-to-Arachidonic Acid Ratio Predicts Mortality and Recurrent Vascular Events in Ischemic Stroke Patients.

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The ratio of eicosapentaenoic acid (EPA) to arachidonic acid (AA) is related to major adverse events and death in cardiovascular diseases. The association between long-term prognosis of ischemic stroke and EPA/AA ratio has not been clarified.Acute ischemic

16(R)-hydroxyeicosatetraenoic acid, a novel cytochrome P450 product of arachidonic acid, suppresses activation of human polymorphonuclear leukocyte and reduces intracranial pressure in a rabbit model of thromboembolic stroke.

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OBJECTIVE Activated polymorphonuclear leukocytes (PMNs) have been suggested to contribute to the development of increased intracranial pressure (ICP). We recently demonstrated that human PMNs produce a novel cytochrome P450-derived arachidonic acid metabolite, 1 6(R)-hydroxyeicosatetraenoic acid

Arachidonic acid-induced brain ischaemia: different severity between stroke-resistant spontaneously hypertensive rats and Wistar-Kyoto rats.

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A thrombo-embolic stroke model was produced by the internal carotid artery (ICA) infusion of arachidonic acid (AA). The differences in responses to AA ICA infusion were investigated in stroke-resistant spontaneously hypertensive rats (SHRSR) and Wistar-Kyoto (WKY) rats. The SHRSR showed a higher

Treatment of hemorrhagic stroke with arachidonic acid.

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Eighty-seven year old man, previously healthy, active and independent, was admitted to a hospital unconscious with hemorrhagic stroke. Treatment with arachidonic acid was initiated two weeks after his admission. After one year, despite his age, large hemorrhagic area and a history of ischemic heart

Increased membrane sphingomyelin and arachidonic acid in stroke-prone spontaneously hypertensive rats.

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BACKGROUND Cell membrane composition and fluidity are altered in hypertension. Previous reports suggest arachidonic acid, a metabolically active fatty acid, is increased in the membranes of hypertensive animals compared to control. This increase in unsaturated fatty acids does not explain the

Age Stratification and Impact of Eicosapentaenoic Acid and Docosahexaenoic Acid to Arachidonic Acid Ratios in Ischemic Stroke Patients.

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OBJECTIVE We focused on the ratios of eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) to arachidonic acid (AA) and explored the significance of these ratios relative to clinical characteristics by age in ischemic stroke patients. METHODS We enrolled patients with acute ischemic stroke who

Effect of hemoglobin vesicle, a cellular-type artificial oxygen carrier, on middle cerebral artery occlusion- and arachidonic acid-induced stroke models in rats.

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Hemoglobin vesicle (HbV), which is also called liposome-encapsulated hemoglobin, functions as a hemoglobin-based oxygen carrier and is expected to be utilized in emergency situations including hemorrhagic shock and several kinds of ischemic diseases. In the present study, we evaluated the efficacy

Cytochrome P450 metabolites of arachidonic acid are elevated in stroke patients compared with healthy controls.

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CYP450AAM [arachidonic acid metabolites of the CYP450 (cytochrome P450) enzyme system] have a range of biological functions. CYP450AAM are involved in the pathogenesis of hypertension, renal function and vascular function, yet their role in stroke has not been clarified. We aimed at determining the

Plasma phospholipid arachidonic acid and lignoceric acid are associated with the risk of cardioembolic stroke.

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Cardioembolic (CE) stroke is the most severe subtype of ischemic stroke with high recurrence and mortality. However, there is still little information on the association of plasma fatty acid (FA) with CE stroke. The objective of this study was to test the hypothesis whether the composition of plasma

Significance of brain tissue oxygenation and the arachidonic acid cascade in stroke.

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The significance of the hypoxia component of stroke injury is highlighted by hypermetabolic brain tissue enriched with arachidonic acid (AA), a 22:6n-3 polyunsaturated fatty acid. In an ischemic stroke environment in which cerebral blood flow is arrested, oxygen-starved brain tissue initiates the

A role for lipids as agents to alleviate stroke damage: the neuroprotective effect of 2-hydroxy arachidonic acid.

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Aspirin and Clopidogrel Resistance in Indian Patients with Ischemic Stroke and its Associations with Gene Polymorphisms: A Pilot Study.

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Antiplatelet resistance is one of the urgent issues in current stroke care. One-third to one-half of the patients who experience a recurrent stroke is already on antiplatelet medications. We studied resistance to aspirin and clopidogrel in Indian stroke patients and its association

Association of platelet-derived microvesicles with high on-treatment platelet reactivity in convalescent ischemic stroke patients treated with acetylsalicylic acid

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Elevated concentrations of platelet-derived microvesicles are found in cerebrovascular diseases. The impact of acetylsalicylic acid on these microvesicles remains inconsistent, despite its well-established effect on platelet aggregation. High residual platelet aggregation is defined as

Monoacylglycerol lipase inhibitor, JZL-184, confers neuroprotection in the mice middle cerebral artery occlusion model of stroke.

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BACKGROUND Investigators are searching to find new therapeutic strategies to reduce stroke secondary injury. JZL-184 (JZL) is an inhibitory factor for production of arachidonic acid (AA). Thus, it suppresses production of AA metabolites which are the cause of inflammation and tissue edema.

rLOAD: does sex mediate the effect of acute antiplatelet loading on stroke outcome.

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BACKGROUND Biologic sex can influence response to pharmacologic therapy. The purpose of this proof-of-concept study was to evaluate the medicating effects of estrogen in the efficacy of acute antiplatelet loading therapy on stroke outcome in the rabbit small clot embolic model. METHODS Female and

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