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l tryptophan/diarrhée
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13 résultats
Effect of sodium saccharin and L-tryptophan on rat urine during bladder carcinogenesis.
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We examined several parameters of urine excretion during a two-year initiation-promotion experiment in male Fischer rats using four weeks of N-[4-(5-nitro-2-furyl)-2-thiazoly]formamide at 0.2% of the diet as the initiating agent and either 5% sodium saccharin or 2% L-tryptophan in the diet as
Sex differences of brain serotonin synthesis in patients with irritable bowel syndrome using alpha-[11C]methyl-L-tryptophan, positron emission tomography and statistical parametric mapping.
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BACKGROUND
Irritable bowel syndrome (IBS) is the most common functional bowel disorder and has a strong predominance in women. Recent data suggest that the brain may play an important role in the pathophysiology of IBS in the brain-gut axis. It is strongly suspected that serotonin (5-HT), a
Eosinophilia-myalgia syndrome associated with L-tryptophan ingestion. Analysis of four patients and implications for differential diagnosis and pathogenesis.
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Four patients fulfilling the case definition for eosinophilia-myalgia syndrome are described, including one whose disease began in 1986. Each displayed a variety of symptoms: one suffered principally from myalgia and recovered spontaneously on discontinuation of L-tryptophan therapy; one exhibited
Increased serum free tryptophan in patients with diarrhea-predominant irritable bowel syndrome.
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Irregularities of serotonin function in irritable bowel syndrome (IBS) may be due to changes in the metabolism of the serotonin precursor l-tryptophan. Dietary alteration of tryptophan intake may impact upon the mood and bowel symptoms of IBS. We hypothesized that diarrhea-predominant irritable
Role of tryptophan-metabolizing microbiota in mice diarrhea caused by Folium sennae extracts
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Background: Although reports have provided evidence that diarrhea caused by Folium sennae can result in intestinal microbiota diversity disorder, the intestinal bacterial characteristic and specific mechanism are still unknown. The
[The serotonin syndrome: review of the literature and description of an original study].
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In animals the occurrence of a behavioural syndrome consisting of hyperactivity, stereotyped movements and increase of temperature has been induced by MAOIs, 5-HT precursors (L-tryptophan) and 5-HT reuptake inhibitors. Most of these manifestations were specifically blocked by a pretreatment with an
Treatment of irritable bowel syndrome. A case control experience.
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OBJECTIVE
As optimal therapy for irritable bowel syndrome (IBS) remains elusive, current approach to therapy is based on symptomatic treatment. With this case-control experience we wanted to determine the beneficial effect in IBS patients of a dietary integrator (IBS Active), composed of
Circumvention of defective neutral amino acid transport in Hartnup disease using tryptophan ethyl ester.
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Tryptophan ethyl ester, a lipid-soluble tryptophan derivative, was used to bypass defective gastrointestinal neutral amino acid transport in a child with Hartnup disease. The child's baseline tryptophan concentrations in serum (20 +/- 6 microM) and cerebrospinal fluid (1.0 +/- 0.2 microM) were
Lactose malabsorption is associated with early signs of mental depression in females: a preliminary report.
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Lactose malabsorption is characterized by a deficiency of mucosal lactase. As a consequence, lactose reaches the colon where it is broken down by bacteria to short-chain fatty acids, CO2, and H2. Bloating, cramps, osmotic diarrhea, and other symptoms of irritable bowel syndrome are the consequence
Effect of serotonin treatment on intestinal transport in the rabbit.
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The hormone serotonin (5-hydroxytryptamine) has been implicated as the cause of the diarrhea seen in many patients with the carcinoid syndrome. To determine whether serotonin is an intestinal secretagogue, the effect of serotonin on intestinal water and electrolyte transport was evaluated in the
[Physicochemical and pharmacological characteristic and clinical efficacy of an anti-irritable bowel syndrome agent, polycarbophil calcium (Polyful)].
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Irritable bowel syndrome (IBS) is a functional bowel disorder characterized by abdominal pain or discomfort and abnormal defecation. Polycarbophil calcium, a water-absorbing polymer, is expected to improve stool consistency. Polycarbophil calcium decalcified under the acidic condition and then
Fructose malabsorption is associated with decreased plasma tryptophan.
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BACKGROUND
Fructose malabsorption is characterized by the inability to absorb fructose efficiently. As a consequence fructose reaches the colon where it is broken down by bacteria to short fatty acids, CO2, H2, CH4 and lactic acid. Bloating, cramps, osmotic diarrhea and other symptoms of irritable
Effect of Tong Xie Yao Fang on endogenous metabolites in urine of irritable bowel syndrome model rats.
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