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Arachidonic acid cascade products have been shown to be increased in vitro in Staphylococcus aureus enterotoxin B (SEB)-treated epithelial cell cultures in our laboratory. In order to confirm that these products were clinically related to SEB intoxication, monkeys were administered SEB by
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Chemotherapy-induced nausea and vomiting (CINV) is a complex pathophysiological condition and consists of two phases. The conventional CINV neurotransmitter hypothesis suggests that the immediate phase is mainly due to release of serotonin (5-HT) from the enterochromaffin cells in the
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OBJECTIVE
To evaluate the role of 2-arachidonoyl glycerol (2AG) in the regulation of nausea and vomiting using animal models of vomiting and of nausea-like behaviour (conditioned gaping).
METHODS
Vomiting was assessed in shrews (Suncus murinus), pretreated with JZL184, a selective monoacylglycerol
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Many chemotherapeutic agents activate multiple signaling systems, including potentially emetogenic arachidonic acid metabolites. Of these messengers, the emetic role of the leukotriene family has been neglected. The aims of this study were to test the emetic potential of key leukotrienes (LTA(4),
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The experiments with dogs exposed to 100 Gy of accelerated electrons demonstrated a significant role of prostaglandins in the origin of early post-radiation dyspepsia. Their significance for genesis of post-radiation dyspeptic disturbance caused by exposure to superhigh doses becomes clear-cut when
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Boswellia dalzielii is a tall tree (more than 13 m high) that produces aromatic white flowers. This plant is commonly used in indigenous medicine across Africa against diarrhea, malaria, vomiting, inflammation and arthritis. The present study focuses on the anti-inflammatory and anti-arthritis
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The effect ofcannabis can be explained on the basis of the function of the cannabinoid receptor system, which consists of CB receptors (CB1, CB2), endoligands to activate these receptors and an enzyme--fatty acid amidohydrolase--to metabolize the endoligands. The endoligands of the cannabinoid
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Cannabinoids, including the endogenous cannabinoid or endocannabinoid, anandamide, modulate several gastrointestinal functions. To date, the gastrointestinal effects of the second putative endocannabinoid 2-arachidonoylglycerol (2-AG) have not been studied. In the present study using a shrew
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Although the American Academy of Pediatrics and the American Academy of Family Physicians recommend breast milk for optimal infant nutrition, many parents still choose formula as an acceptable alternative. The wide variety of available formulas is confusing to parents and physicians, but formulas
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A 34 year old male bitten by an adult Atheris squamiger snake developed symptoms of nausea, vomiting, diarrhea which were followed by drowsiness and impaired breathing. Local hemorrhage, edema and pain at the bite-site occurred, but no systemic bleeding or hemorrhagic diathesis developed. All
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Angioedema is characterized by a well-demarcated swelling on the skin, oropharyngolaryngeal tissue, or the gastrointestinal wall. Underlying mechanisms may include IgE-mediated reactions, complement activation, inhibition of the cyclo-oxygenase pathway of arachidonic acid metabolism, direct release
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The probable involvement of prostaglandins in the myoelectrical response of the antrum pylori and small intestine to endotoxin (LPS) was studied in the piglet. In these experiments the influence of I.V. infusion of PGF2 alpha and PGE2 and of I.V. injection of LPS, without and with indomethacin
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The chemotherapeutic agent cisplatin may produce emesis via release of several neurotransmitters such as serotonin (5-HT), substance P and/or dopamine as well as production of prostaglandins (PGs). Administration of synthetic 2-arachidonoylglycerol (2-AG) but not of anandamide, which are two
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Menstrual pain (dysmenorrhea) is one of the main complaints in clinics for women. The pain is often accompanied by other symptoms such as headache, nausea, constipation or diarrhea, urinary frequency, and vomiting which often leave the patients incapacitated for work or school for a few days.
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Preparations of hemp, Cannabis sativa, have been used for thousands of years as recreational and therapeutic drugs. The most important constituents are the psychoactive (-)-trans-∆9-tetrahydrocannabinol (THC), a partial agonist at cannabinoid (CB) receptors CB1 and
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