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A modified gas liquid chromatography method has been developed to analyse the concentrations of indole and 3-methylindole in samples of plasma and rumen fluid from four cows with fog fever together with four control animals and from two cattle given L-tryptophan orally. Satisfactory recoveries of
We describe a 53-year-old women with eosinophilia-myalgia syndrome who suddenly developed severe persistent myalgias of her arms, legs, back, and shoulder after a 5-month period of daily L-tryptophan ingestion, associated with fever, progressive stenocardia and left-sided congestive heart failure.
BACKGROUND
Serotonin (5-HT) syndrome is the most serious side effect of antidepressants. Although several drugs have been used for the treatment of 5-HT syndrome, a universal pharmacotherapy has not been established. NMDA receptor antagonists have been reported to have neuroprotective effects. In
The serotonin (5-HT) syndrome is the most serious toxic interaction of antidepressants, but no pharmacotherapy has yet been established. In the present study, we created an animal model of the 5-HT syndrome by intraperitoneally injecting rats with clorgyline (2 mg/kg) and 5-hydroxy-L-tryptophan
A 24-year-old man presenting with fever, rash, and myalgias subsequently developed hypercapnic respiratory failure and severe limb muscle weakness. Muscle biopsy revealed eosinophilic myositis, due to the ingestion of large quantities of L-tryptophan as a dietary supplement. Complete recovery
Patients are at high risk of developing serotonin-toxicity syndrome (toxidrome) when they take multiple serotonergic drugs, particularly co-administered with monoamine oxidase inhibitors or 5-hydroxytryptamine (5-HT) reuptake blockers. The toxidrome can vary from mild to severe. The primary goal of
The pathogenesis of acute bovine pulmonary oedema and emphysema (ABPE) is related to the ruminal formation of 3-methylindole (3MI) from L-tryptophan (TRP), a naturally occurring amino acid and constituent of forage. The objectives of the present study were to determine whether monensin and
The possible beneficial effects of surplus dietary Trp (+5 g of Trp/kg of diet) on factors related to stress, immunology, behavior, and N retention were investigated in postweaning piglets (approximately 15 kg of BW) challenged for 10 d with intravenous bacterial lipopolysaccharide (from Escherichia
The serotonin (5-HT) syndrome is the most serious side effect of antidepressants, and it often necessitates pharmacotherapy. In the present study, the efficacy of several drugs was evaluated in an animal model of the 5-HT syndrome. When 2 mg/kg of clorgyline, a type-A monoamine oxidase inhibiting
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
The daily nutritional requirement for L-tryptophan (Trp) is modest (5 mg/kg). However, many adults choose to consume much more, up to 4-5 g/d (60-70 mg/kg), typically to improve mood or sleep. Ingesting L-Trp raises brain tryptophan levels and stimulates its conversion to serotonin in neurons, which
Eosinophilia-myalgia syndrome (EMS) is a newly recognized illness characterized by intense eosinophilia, debilitating myalgia, and absence of any condition that could account for the eosinophilia or myalgia. The disorder has previously been associated with ingestion of capsules containing the amino
Cattle with Pasteurella bronchopneumonia usually have a fever, abnormal respiratory sounds in the cranioventral lung fields, consolidation, pleuritis and abscesses. Lungworms primarily affect 4- to 6-month-old calves, which become febrile and dyspneic, with moist rales. Diagnosis is by fecal
1. Intraperitoneal administration of nialamide, 200 mg/kg, to mice elicited a pronounced increase in motor activity and rectal temperature concomitant with a gradual increase in the concentrations of 5-hydroxytryptamine (5-HT), noradrenaline (NA) and dopamine in the brain.2. In mice treated with