5 hydroxytryptamine/accident vascular cerebral

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Meta-analysis of 5-hydroxytryptamine transporter gene promoter region polymorphism and post-stroke depression

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Objective: To investigate the relationship between 5-hydroxytryptamine transporter gene promoter region (5-HTTLPR) gene polymorphism and post-stroke depression (PSD). Methods:

Characterization of 5-hydroxytryptamine receptors mediating contractions in basilar arteries from stroke-prone spontaneously hypertensive rats.

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1. The 5-hydroxytryptamine (5-HT) induced-contraction in ring preparations of basilar arteries from Wistar-Kyoto rats (WKY) and stroke-prone spontaneously hypertensive rats (SHRSP) was pharmacologically characterized in vitro. 2. Contractile responses to 5-HT (1 nM-100 nM) and their pD2 values in

Role of nitric oxide in the contractile response to 5-hydroxytryptamine of the basilar artery from Wistar Kyoto and stroke-prone rats.

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1. Isolated basilar arteries from spontaneously hypertensive stroke-prone rats (SHRSP) are more sensitive to the contractile effect of 5-hydroxytryptamine (5-HT) than those from normotensive Wistar Kyoto rats (WKY). This has been attributed to a different proportion of 5-HT receptor subtypes

Piroxicam-mediated modulatory action of 5-hydroxytryptamine serves as a "brake" on neuronal excitability in ischemic stroke.

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Our previous studies indicated an increase in extracellular γ-aminobutyric acid (GABA) in rodent's ischemic brain after Piroxicam administration, leading to alleviation of glutamate mediated excitotoxicity through activation of type A GABA receptor (GABAA). This study was to investigate if GABAA

[Effect of Jiunaoning injection on overload of intracellular free calcium of cerebral cortex induced by glutamic acid or 5-hydroxytryptamine in fetal rats].

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OBJECTIVE To explore the effect of Jiunaoning Injection (JNNI) on overload of intracellular free calcium of cerebral cortex induced by glutamic acid or 5-hydroxytryptamine (5-HT) in fetal rats. METHODS Double wavelength spectrofluorometer with Fura-2/AM as the fluorescence indicator for

In vivo actions of a calcium channel blocker (nimodipine) on the cerebrovascular response to infused 5-hydroxytryptamine.

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Previous in vitro studies show that the calcium channel blocker, nimodipine, inhibits the cerebrovascular contraction elicited by 5-hydroxytryptamine (5-HT). The present study determined if this effect was present in vivo in the baboon cerebral circulation rendered sensitive to infused 5-HT by prior

Cardiovascular response to intravenous administration of 5-hydroxytryptamine after type-2 receptor blockade, by metrenperone, in healthy calves.

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The cardiovascular response to 5-hydroxytryptamine (5-HT) challenge has been previously described in cattle. Abrupt bradycardia, followed by tachycardia, triphasic systemic blood pressure response, and pulmonary hypertension were the major changes elicited by 5-HT. The purpose of the present study

Detrimental effects of tropisetron on permanent ischemic stroke in the rat.

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BACKGROUND Recent in vitro evidence indicates that blockade of 5-hydroxytryptamine (5-HT) receptor 3 (5-HT3) is able to confer protection in different models of neuronal injury. The purpose of the present study was to investigate the effect of tropisetron, a 5-HT3 receptor antagonist, on infarct

Enhanced contractile responses mediated by different 5-HT receptor subtypes in basilar arteries, superior mesenteric arteries and thoracic aortas from stroke-prone spontaneously hypertensive rats.

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1. The contractile effects of 5-hydroxytryptamine (5-HT) in isolated ring preparations of basilar arteries (BA) thoracic aortas (TA) and superior mesenteric arteries (SMA) from stroke-prone spontaneously hypertensive rats (SHRSP) and Wistar-Kyoto (WKY) rats were investigated pharmacologically. 2.

[The association between plasma neurotransmitters levels and depression in acute hemorrhagic stroke].

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OBJECTIVE To explore the relation between plasma neurotransmitters (Glutamic acid, GAA; γ-aminobutyric acid, GABA; 5-hydroxytryptamine, 5-HT; and noradrenaline, NE) and depression in acute hemorrhagic stroke. METHODS Objectives were screened from consecutive hospitalized patients with acute stroke.

Antidepressant effect of Xingnao Jieyu decoction mediated by alleviating neuroinflammation in a rat model of post-stroke depression.

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To identify the antidepressant effect of Xingnao Jieyu (XNJY) decoction on a post-stroke depression (PSD) rat model and the underlying molecular mechanism.We established a rat PSD model by middle cerebral artery occlusion (MCAO) combined with chronic

Medical treatment of acute ischemic stroke.

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Progress in general symptomatic therapy such as avoidance of complications through nursing care, rehabilitation, and secondary prevention of stroke yield a better quality of life to stroke patients. Unfortunately, no specific drug therapy for acute stroke has been proven to be of benefit in

Age-related changes in cerebral and peripheral monoamine contents in stroke-prone spontaneously hypertensive rats.

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1. We examined monoamine contents in various regions of the brain and catecholamine contents in the heart and the adrenal gland of stroke-prone spontaneously hypertensive rats (SHRSP) and Wistar-Kyoto (WKY) rats aged 1.5, 3 and 6 months. 2. The noradrenaline (NA) content and the 5-hydroxytryptamine

Cerebral vasoconstriction and stroke after use of serotonergic drugs.

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Serotonin (5-hydroxytryptamine) is a potent vasoconstrictor amine. The authors report three patients who developed thunderclap headache, reversible cerebral arterial vasoconstriction, and ischemic strokes (i.e., the Call-Fleming syndrome). The only cause for vasoconstriction was recent exposure to

[Effect of Bromovincamine on noradrenaline and 5-hydroxytryptamine contents, and glucose metabolism in rat brain: analysis using spontaneously hypertensive rats (SHR) (author's transl)].

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Effects of Bromovincamine (BV) on cerebral noradrenaline (NA) and 5-hydroxytryptamine (5-HT) contents, and glucose metabolism in the brain were studied using stroke-prone spontaneously hypertensive (SHR-SP), stroke-resistant spontaneously hypertensive (SHR), age-matched normotensive Wistar Kyoto

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