tryptophan/cefalea

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Effects of dietary protein-tryptophan restriction upon 5-HT uptake by platelets and clinical symptoms in migraine-like headache.

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Ten women with recurrent migraine-like headache, flush, urticaria and itching excoriations were put on a protein/tryptophan reduced diet. The 5-HT uptake kinetics in platelets, the frequency of headache attacks and skin symptoms were recorded. On customary food the 5-HT uptake kinetics were severely

Use of nutritional supplements based on melatonin, tryptophan and vitamin B6 in children with primary chronic headache, with or without sleep disorders: a pilot study.

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Headache is one of the main complaints in pediatric neurology. Exogenous melatonin has been shown to be useful and safe in improving sleep-wake cycles and sleep quality in children. Tryptophan as well plays a key role in sleep regulation. So far, no studies tried to analyze the effects

Biochemistry of primary headaches: role of tyrosine and tryptophan metabolism.

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The pathogenesis of migraine as well as cluster headache (CH) is yet a debated question. In this review, we discuss the possible role of the of tyrosine and tryptophan metabolism in the pathogenesis of these primary headaches. These include the abnormalities in the synthesis of neurotransmitters:

Tryptophan depletion increases nausea, headache and photophobia in migraine sufferers.

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Sensitivity to light was investigated 5 and 8 h after consumption of an amino acid drink which contained L-tryptophan (balanced amino acid condition: 19 controls and 22 migraine sufferers) or which produced a short-term reduction in brain serotonin synthesis by omitting L-tryptophan (tryptophan

Tryptophan hydroxylase 2 gene polymorphisms in Japanese patients with medication overuse headaches.

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OBJECTIVE We investigated whether tryptophan hydroxylase 2 (TPH2) gene polymorphisms were involved in the aggravation of migraines due to the overuse of medication. METHODS Forty-seven migraine patients (6 males and 41 females; 36.4 10.3 years) and 22 MOH patients (1 male and 21 females; 39.6 9.9

Cerebrospinal fluid 5-hydroxyindoleacetic acid level in migrainous patients during spontaneous attacks, during headache-free periods and following treatment with L-tryptophan.

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[L-tryptophan treatment in essential headache: preliminary data].

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[Plasma levels of free and total tryptophan during a course of attack hemicrania].

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The ingestion of serotonin precursors (L-5-hydroxytryptophan and L-tryptophan) improves migraine headache.

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Erratum to: Biochemistry of primary headaches: role of tyrosine and tryptophan metabolism.

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5-Hydroxytryptamine and pain modulation in man: a clinical pharmacological approach with tryptophan and parachlorophenylalanine.

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Monoamines are involved in the central nervous assimilation and modulation of the pain flow. According to a personal hypothesis, a disorder of this biochemical control (in particular a precariousness of brain 5-hydroxytryptamine turnover), is the basic mechanism of some painful conditions, such as

The acute effects of oral (--)-tryptophan in human subjects.

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1 The psychotropic effects of a single oral dose of (--)-tryptophan (5 g) in human volunteers were investigated using a series of physiological and psychological tests. 2 Self-ratings of mood showed increase in drowsiness but no euphoria was detected. 3 Severe initial nausea occurred and headache

Insulin secretion in migraine: influence on the blood levels of tryptophan.

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The blood levels of free tryptophan, glucose and insulin were determined in different groups of patients suffering from headache, initially and after a glucose tolerance and a tolbutamide tolerance test. The control group consisted of subjects without neurological or psychiatric disturbance. A sharp

Preliminary Transcriptome Analysis in Lymphoblasts from Cluster Headache and Bipolar Disorder Patients Implicates Dysregulation of Circadian and Serotonergic Genes.

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Bipolar disorder (BD) and cluster headache (CH) are distinct conditions with important similarities such as a temporal pattern of disturbances, dysregulation of the sleep-wake cycle, and response to lithium treatment in a proportion of patients. Aiming to identify common transcription signatures in

Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway.

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5-Hydroxytryptophan (5-HTP) is the precursor of the neurotransmitter serotonin and has been used for the treatment of various diseases such as depression, insomnia, chronic headaches, and binge eating associated obesity. The production of 5-HTP had been achieved in our previous report, by the

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