D I Barry

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Norepinephrine-rich cell suspensions, prepared from the locus coeruleus region of rat fetuses, were grafted bilaterally into the hippocampus of rats made hypersensitive to hippocampal kindling by a neurotoxic lesion of the central catecholamine system. The animals with grafts showed a marked suppression of the onset and progression of kindling-induced(More)
Hippocampal kindling was investigated in rats with a 6-hydroxydopamine-induced lesion of the forebrain catecholamine system after implantation of neural tissue from the fetal locus coeruleus region either bilaterally into the amygdala-piriform cortex (i.e., distant to the kindling site) or unilaterally into the hippocampus (close to the kindling site).(More)
Experimental allergic encephalomyelitis (EAE) was induced in young male Lewis rats. Blood-brain barrier permeability to radiotracers of different molecular sizes was studied at intervals after induction using a tissue sampling technique. The results were correlated to the clinical picture and to the histological appearance of the central nervous system.(More)
As neuropeptides may play a role in the electrical kindling model of epileptogenesis, hippocampal somatostatin, Met-enkephalin and cholecystokinin were studied by immunocytochemistry in rats 24 h following full hippocampal kindling (three stage 5 seizures). As control animals we used sham-kindled rats, unoperated rats and rats subjected to a single(More)
Tomographic maps of local cerebral blood flow (CBF) were obtained with xenon-133 and with isopropyl-amphetamine-iodine-123 (IMP) in 11 subjects: one normal, two tumor cases, and eight cerebrovascular cases. A highly sensitive four-face, rapidly rotating, single-photon emission tomograph was used. The Xe-133 flow maps are essentially based on the average(More)
The effect of hippocampal kindling on neuronal and glial marker proteins was studied in the rat by immunochemical methods. In hippocampus, pyriform cortex and amygdala there was an increase in glial fibrillary acidic protein (GFAP), indicating reactive gliosis, and an increase in the glycolytic enzyme NSE, suggesting increased anaerobic metabolism. Neuronal(More)
The effect of a dietary supplement of an aldose reductase inhibitor (ponalrestat) or of myo-inositol on sodium transport into the rat brain and on concentrations of saccharide and polyols in cortical brain tissue and sciatic nerve was investigated in control rats and in streptozotocin-diabetic rats after a diabetes duration of 2 weeks. In untreated(More)
The GABA/benzodiazepine (BZ) receptor chloride channel complex was investigated during repeated episodes of ethanol intoxication and withdrawal in the rat; the intragastric intoxication technique was applied and the severity of intoxication, withdrawal and number of seizures were recorded. The following groups were studied after decapitation during(More)
The brain marker proteins, D1, D2, and D3, localised to neuronal membranes, and mitochondrial and cytoplasmic marker proteins (MM and CM), were studied during 1-6 days (short term) intragastrically-induced severe ethanol intoxication and during 1 month (long-term) ethanol intoxication established by a liquid diet regimen. The concentrations of the same(More)