aminolevulinic acid/seizures

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Dimethyl sulfoxide and ebselen prevent convulsions induced by 5-aminolevulinic acid.

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We investigated whether intrastriatal (i.s.) administration of 5-aminolevulinic acid (ALA) induces oxidative damage and whether behavioral alterations induced by i.s. administration of ALA could be affected by antioxidants. Unilateral injection of ALA (6 micromol/striatum) increased (approximately

Intrastriatal administration of 5-aminolevulinic acid induces convulsions and body asymmetry through glutamatergic mechanisms.

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The involvement of glutamatergic and GABAergic mechanisms in the behavioral effects induced by the intrastriatal injection of 5-aminolevulinic acid (ALA) (1-8 mgr;mol/2 mgr;l), a metabolite that accumulates in porphyrias, was evaluated. ALA administration to adult female rats increased locomotor

Genetic differences in the effects of delta-aminolevulinic acid on seizure latency in mice.

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delta-Aminolevulinic acid, an intermediate in heme formation, is elevated in certain human disorders including acute intermittent porphyria, tyrosinemia, and lead poisoning. It has been implicated in the central nervous system manifestations of these disorders via interactions with the GABAergic

Neuropharmacological effects of carvacryl acetate on δ-aminolevulinic dehydratase, Na+, K+-ATPase activities and amino acids levels in mice hippocampus after seizures.

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Epileptic syndromes are highly prevalent neurological conditions and can often be disabling. In order to find an alternative for treatment, this study evaluated anticonvulsant effects of carvacryl acetate (CA), a derivative of monoterpene carvacrol, after seizures induced by pilocarpine (P400),

Grand mal seizures and acute intermittent porphyria. The problem of differential diagnosis and treatment.

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A 36-year-old white man had both acute intermittent porphyria and long-standing idiopathic grand mal seizures. Diphenylhydantoin apparently adversely affected both the clinical and biochemical parameters of the acute intermittent porphyria. Comparison of urinary levels of the porphyrin precursors,

Effects of 5-aminolevulinic acid on the glutamatergic neurotransmission.

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The haem precursor 5-aminolevulinic acid (ALA) has been proposed to be involved in the neurological dysfunctions presented by patients with acute porphyrias. The effects of ALA on the [3H]glutamate and [3H]MK-801 (dizocilpine) binding to rat cortical membranes and on [3H]glutamate uptake by rat

Epidemiology and clinical characteristics of seizures in patients with acute intermittent porphyria.

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The objectives of this study were to investigate the lifetime prevalence of epileptic seizures in a population with acute intermittent porphyria (AIP) and to characterize the seizures and the seizure-triggering factors. A letter was sent to all patients with known AIP in Sweden registered at the

[Lack of association between alcoholism and alleles in the delta-aminolevulinic acid dehydratase (ALAD) gene].

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delta-Aminolevulinic acid dehydratase (ALAD) is the second enzyme in the heme biosynthetic pathway and catalyzes two molecules of delta-aminolevulinate (ALA), which is a potent agonist for GABA autoreceptors. ALAD has two common alleles and thus consists of three distinct isozymes, designated 1-1,

Phenytoin reduces 5-aminolevulinic acid-induced protoporphyrin IX accumulation in malignant glioma cells.

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Epileptic seizures are among the presenting clinical signs of malignant glioma patients, frequently necessitating treatment with antiepileptic drugs (AEDs). The efficacy of 5-aminolevulinic acid (5-ALA)-based intraoperative fluorescence-guided surgery and photodynamic therapy (PDT) in glioblastoma

Acute intermittent porphyria caused by novel mutation in HMBS gene, misdiagnosed as cholecystitis.

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BACKGROUND Acute intermittent porphyria (AIP) is an autosomal dominant neurovisceral inherited disorder due to a defect in the heme biosynthesis pathway. Misdiagnosis of the porphyrias is not uncommon. METHODS We present a case of a 26-year-old female with suspected acute cholecystitis, mental

Porphyria: reexamination of psychiatric implications.

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Acute intermittent porphyria mimics a variety of commonly occurring disorders and thus poses a diagnostic quagmire. Psychiatric manifestations include hysteria, anxiety, depression, phobias, psychosis, organic disorders, agitation, delirium, and altered consciousness ranging from somnolence to coma.

Porphyria: What Is It and Who Should Be Evaluated?

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The porphyrias are a group of rare metabolic disorders, inherited or acquired, along the heme biosynthetic pathway, which could manifest with neurovisceral and/or cutaneous symptoms, depending on the defective enzyme. Neurovisceral porphyrias are characterized by acute attacks, in which excessive

Experimental acute lead encephalopathy in the juvenile rhesus monkey.

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Lead subacetate (0.5g) and 1000 units of vitamin D were given three times a week to four newly-weaned rhesus monkeys. In addition, two animals received only the vitamin D. The poisoned animals had an increase in the urinary excretion of delta-aminolevulinic acid, an elevated content of lead in the

Recurrent porphyria attacks in a Chinese patient with a heterozygous PBGD mutation.

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We report here the case of a 32-year-old Chinese Han woman who presented with frequent severe abdominal pain, convulsion, numbness and confusion. She also had hypertension, hyponatremia, chronic renal failure, anemia and a high urinary δ-aminolevulinic acid concentration. We identified a

Acute intermittent porphyria exacerbation following in vitro fertilization treatment.

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OBJECTIVE Assisted reproductive technology is commonly used for women with infertility. We report a case of acute intermittent porphyria associated with in vitro fertilization treatment. METHODS A 35-year-old woman with tubal factor infertility presented to our clinic with persistent low abdominal

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