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Background: Visceral hypersensitivity and psychological performance are the main pathophysiological mechanisms of irritable bowel syndrome (IBS). Previous studies have found that cholecystokinin (CCK) can enhance colon movement and that
Tibetan medicine has been practiced for 3800 years. Anzhijinhua San (AZJHS), which is a traditional Tibetan medicine, has been effective in the treatment of indigestion, anorexia and cold diarrhea. However, the effects of AZJHS on allergic diarrhea have not been Effects of endotoxin on the motility, the permeability of mesenteric blood vessel and endogenous substances (electrolyte (Na, K), histamine, serotonin and primary prostaglandin) in the small intestine of mice were investigated. Diarrhea was induced by intraperitoneal injection of Salmonella typhosa
The aim of this study was to investigate whether 5-hydroxytryptamine (serotonin, 5-HT) is involved in the mediation of sennoside-induced colonic fluid secretion and diarrhea. Oral administration of purified sennosides (25, 40 and 64 mg/kg) dose-dependently reversed net fluid absorption to net fluid
One of the important medicinal properties of ginger is known to remove chills caused by common cold and to warm body. In the present study, acetone extract of ginger at 100 mg/kg p.o. significantly inhibited serotonin (5-HT) induced hypothermia. Therefore, the active constituents of ginger were
Two patients with secretory diarrhea and signs and symptoms consistent with the Verner-Morrison syndrome and islet cell hyperplasia are described. Both patients responded well to subtotal pancreatectomies. The morphologic changes in the pancreata were characterized by proliferation of islets
In experiments with rats exposed to 200 Gy radiation it was shown that the diarrhea effect of serotonin under the effect of radiation is implemented via D- and M-type receptors, and that of histamine via H1 and H2 receptors. Serotonin and histamine, that were released under the effect of radiation
Diarrhea that arises in mice given serotonin intravenously is not suppressed by tipindolol, LSD-25, ciproheptadine in doses in which these drugs block the D and T serotonin-reactive structures, or is not reduced by hexonium, thereby providing no evidence in favour of the reflex nature of the effect.
Objective Gender differences, including differences in the prevalence, subtypes and the effectiveness of treatment, are generally recognized in irritable bowel syndrome (IBS). Although serotonin type 3 receptor (5-HT3R) antagonists appear to be more effective in women with diarrhea predominant IBS
OBJECTIVE
Serotonin reuptake is mediated by a transporter protein (SERT), and its dysfunctions can alter serotonergic transmission. The present study examines the binding profile of platelet SERT in healthy volunteers as well as in patients with diarrhea-predominant irritable bowel syndrome (D-IBS),
OBJECTIVE
This study aimed to investigate the difference among the expression of serotonin receptors (5-HT3, 5-HT4, and 5-HT7receptors) in colonic tissue of chronic diarrhea rats.
METHODS
A rat model of chronic diarrhea was established by lactose diet. The expression of 5-HT3, 5-HT4, and
Regional changes in concentrations of histamine (HA), serotonin (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) in the rat brain were investigated after diarrhea induced by castor oil. Significant decreases in body weight were observed from the 3rd day after daily oral administration of castor oil
LX-1031 is an oral, small molecule tryptophan 5-hydroxylase (TPH) inhibitor that reduces serotonin (5-HT) synthesis peripherally. It has potential for illnesses characterized by excess 5-HT, such as diarrhea-predominant irritable bowel syndrome (IBS-D) and carcinoid diarrhea. In vitro, inhibition of
Effects of various cathartics on charcoal transport, permeability of blood vessels and biogenic amines (serotonin (5-HT), histamine (His), polyamines) in the small intestine of mice were investigated. Diarrhea was induced in mice by oral administration of magnesium sulfate, mannitol, dioctyl sodium
BACKGROUND
Irritable bowel syndrome (IBS) is generally considered to have a psychogenic component in its physiopathology.
OBJECTIVE
To study the role of serotonin (5-hydroxytryptamine; 5-HT), monoamine oxidase (MAO) and anxiety, and to elucidate the relationship between these in patients with