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The effects of histamine H3-receptor antagonists, thioperamide, and clobenpropit on amygdaloid kindled seizures were investigated in rats. Both intracerebroventricular (i.c.v.) and intraperitoneal (i.p.) injections of H3-antagonists resulted in a dose-related inhibition of amygdaloid kindled
This study was performed to investigate whether or not endogenous histamine can protect seizure development of pentylenetetrazole (PTZ)-induced kindling in rats. An intracerebroventricular (i.c.v.) injection with clobenpropit (5 and 10 microg), a representative H(3)-antagonist, significantly
OBJECTIVE
To investigate the modulatory effects of morphine on the susceptibility to pentylenetetrazole-induced seizures, and the involvement of endogenous histamine in this process.
METHODS
Both the wild-type (WT) mice and histidine decarboxylase (a key enzyme for histamine biosynthesis) deficient
The effect of selective histamine H3-receptor antagonist thioperamide was studied on PTZ-induced seizures in mice. Thioperamide significantly protected clonic seizures induced by PTZ in a dose-dependent manner. The effect of thioperamide was completely countered by pretreatment with R
The aim of this study was to evaluate the effects of H(1) (antazoline and astemizole) or H(2) (cimetidine and famotidine) histamine receptor antagonists on the clonic phase, tonic seizures and morality of mice challenged with aminophylline to induce convulsions in mice. Moreover, the total plasma
The influences of histamine H1 receptor antagonists on maximal electroshock seizure were studied using infant rats. In this study, electroconvulsion was induced by stimulating rats using ear-clip electrodes, and the durations of electroencephalogram (EEG) seizure, tonic extensor (TE) seizure and
BACKGROUND
The purpose of this study was to determine whether seizure susceptibility due to antihistamines is provoked in patients with febrile seizures.
METHODS
The current descriptive study was carried out from April 2009 to February 2011 in 250 infants and children who visited the Madinah
The effect of histamine H(3) antagonist, iodophenpropit on amygdaloid kindled seizures in rats was studied in comparison with those of other H(3) antagonists. Under pentobarbital anesthesia, the rats were fixed to a stereotaxic apparatus and bipolar electrodes were implanted into the amygdala.
Febrile convulsions (FC) are frequent acute neurologic disturbances of childhood. The cellular and neurochemical mechanisms causing FC are unclear. Among other mechanisms, the CNS histamine (HA) has been suggested to participate in seizure control and thermoregulation. We evaluated the possible role
OBJECTIVE
The mechanism of the inhibitory effect of histamine on amygdaloid-kindled seizures was investigated in rats.
METHODS
Under pentobarbital anesthesia, rats were fixed to a stereotaxic apparatus, and bipolar electrodes were implanted into the right amygdala. A guide cannula made of stainless
OBJECTIVE
To determine the role of dietary low histamine on the seizure development of pentylenetetrazol (PTZ)-induced kindling in rats.
METHODS
After 14 d of feeding on a low histamine diet (LH, containing 0.145 mumol/g of histamine), the rats were chemically kindled by repeated intraperitoneal
OBJECTIVE
To investigate the effects and the mechanisms of the first-generation histamine H(1)-antagonist diphenhydramine and the second-generation histamine H(1)- antagonist fexofenadine on seizure development of pentylenetetrazole (PTZ)-induced kindling in rats.
METHODS
The first-or
The role of central histamine in amygdaloid kindled seizures in rats was studied. Histamine content in the amygdala was significantly decreased after development of amygdaloid kindling. Intracerebroventricular (i.c.v.) injection of histamine resulted in inhibition of amygdaloid kindled seizures. The
The effects of intracerebroventricular (ICV) administration of histamine and its selective agonists on electrically and pentylenetetrazole-induced convulsions in mice were studied. The ICV administration of histamine decreased seizure susceptibility on electrically and pentylenetetrazole-induced
The involvement of central histamine in amygdaloid kindled seizures in rats was investigated using histamine-related compounds. Histamine contents in the amygdala of electrical stimulation site was significantly decreased after development of amygdaloid kindling. Intracerebroventricular (i.c.v.)