A S Abdul-Ghani

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The effects of intracerebral administration of the group II metabotropic glutamate receptor agonist, 2R,4R-APDC, were tested on both the development of amygdaloid kindling and on fully developed stage 5 amygdala kindled seizures. The development of amygdaloid kindling was significantly retarded in 2R,4R-APDC (10 nmol in 0.5 microl) treated animals compared(More)
The influence of 2-chloroadenosine, a non-metabolizable adenosine A1 receptor agonist, was tested on the development of electrically kindled amygdala and on the seizure responses of fully kindled rats. Focal intra-amygdaloid injection of 2-chloroadenosine (1-10 nmol/0.5 microl) 20 min before applying the daily kindling stimulus prevented the development of(More)
The protective effect of amygdaloid (focally administered) doses of the presynaptic metabotropic glutamate receptor agonist, L-2-amino-4-phosphonobutyrate (L-AP4) was tested on the development of electrical kindling and in fully kindled animals. L-AP4 inhibited epileptogenesis at 10 nmol in 0.5 microl buffer, by preventing the increase in both seizure score(More)
The effects of glutamate and aspartate antagonists were studied on limb-jerk frequency and EEG patterns in rats made epileptic by cobalt implantation in the sensorimotor cerebral cortex. The results of this study were as follows: (1) alpha-Amino-4-phosphonobutyric acid (0.055--1.10 mM) decreased or completely prevented the epileptic manifestations. The(More)
An ordered distribution of glycogen across various areas of rat, guinea pig and mouse brain was found. The cortex contained the lowest concentration of glycogen, intermediate concentrations were found in the cerebellum, medulla oblongata, thalamus, pons and olfactory bulb, and the highest concentration of glycogen was in the hypothalamus. In rat brain(More)
The effects of gamma-vinyl-GABA (4-amino-hex-5-enoic acid, RMI 71754) and gamma-acetylenic-GABA (4-amino-hex-5-ynoic acid, RMI 71645), the selective and irreversible inhibitors of GABA-transaminase (E.C. 2.6.1.19), on the resting and stimulated release of GABA and other amino acids from sensorimotor cortex of rats was studied using a superfusion technique.(More)
Perforated discs of cobalt or nickel were implanted onto the sensorimotor strip of the cerebral cortex of rats. Co discs gave rise to myoclonic contralateral limb-jerks in a manner similar to Co powder lesions. In contrast, Ni-implanted animals were never observed to show overt limb-jerks. On superfusion with an in vivo cannula system, both types of lesion(More)
The in vivo incorporation of [14C] from [U-14C]-glucose into rat brain proteins from different cortical areas was examined in three different experimental focal epilepsies: cobalt, freeze-lesions, and tityustoxin. When [U-14C]-glucose was injected intraperitoneally into awake and unrestrained animals with marked signs of epileptic hyperactivity, the(More)
The incorporation of amino acids into brain proteins following brachial plexus stimulation (BPS) was studied in anaesthetised Sprague-Dawley rats following injection of radioactive precursors of both neuronal and glial compartments. Following intraperitoneal injection of [14C]glucose, which is the major neuronal pool precursor, BPS resulted in a significant(More)