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Ultra-pure ethyl-eicosapentaenoic acid (ethyl-EPA), a semi-synthetic ethyl ester of eicosapentaenoic acid, is associated with clinical improvement in motor functioning in Huntington's disease. The aim was to determine the extent to which it might reduce the rate of progress of cerebral atrophy. High-resolution cerebral magnetic resonance imaging scans were(More)
The regulation of cytoplasmic calcium is a key process in nerve tissue. Using a smooth muscle model we have shown that prostaglandin (PG) E2 probably regulates entry from extracellular fluid, whereas the release from intracellular stores depends on the interplay between thromboxane (TX) A2, PGEI and prostacyclin. Hormones and other agents interact with this(More)
It has been proposed that schizophrenia is a prostaglandin-deficiency disease and also that it is a disease of prostaglandin excess. New evidence is reviewed which suggests that 'classic' schizophrenia is due to a specific deficiency of prostaglandin E1 while certain toxic and vitamin-deficiency psychoses may be due to a broader spectrum of prostaglandin(More)
Recent evidence has suggested that an imbalance between membrane (n-3) and (n-6) fatty acids may contribute to the etiology of autoimmune and neurodegenerative diseases. In this study, the mechanisms by which eicosapentaenoic acid (EPA), gamma-linolenic acid (GLA), and arachidonic acid (AA) modulate neurotransmitters, behavior, and brain inflammation were(More)
Essential fatty acids are important constituents of the brain. There is evidence that levels in blood of certain essential fatty acids and their eicosanoid derivatives may be abnormal. We now report that in the frontal cortex of schizophrenic patients there are significant differences from normal in the fatty acid composition of phosphatidylethanolamine.(More)
We have examined the composition of the essential fatty acids in the plasma phospholipid fractions of 98 patients with histologically proven bladder cancer. These patients were attending hospital for regular follow-up by check cystoscopy. Patients were divided into two groups, depending on the cystoscopic findings, of either active (tumour recurrence seen)(More)
This study reports the results of a trial of essential fatty acid (EFA) supplementation in psychiatric patients (predominantly schizophrenics) with movement disorders. Evidence of EFA deficiency in these patients was observed. The antidyskinetic effect of EFA supplementation was marginally significant but not clinically important. However, active treatment(More)
Plasma phospholipid essential fatty acids and some of their main metabolites, prostaglandins, were measured among habitually violent and impulsive male offenders, who all had alcohol abuse problems, and nonviolent control persons. Linoleic acid (18:2n-6), the precursor of the n-6 fatty acids, was below normal in intermittent explosive disorder, but the(More)
Chloroquine, quanine, procaine, quinidine, clomipramine, theophylline, and caffeine have been shown to be strong prostaglandin antagonists and weak agonists. The antagonist effect is clearly demonstrable at concentrations reached in human plasma when the drugs are used therapeutically. This suggests that prostaglandins are important in several situations in(More)