Angelo Pomes

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The cytotoxic action of the delta- and gamma-isomers of hexachlorocyclohexane (HCH) as well as their ability to induce changes in intracellular Ca2+ homeostasis was studied in cultured rat cerebellar granule neurons. Changes in the free intracellular Ca2+ concentration ([Ca2+]i) related to Ca2+ influx and release from intracellular stores were investigated(More)
The effect of convulsant and nonconvulsant hexachlorocyclohexane (HCH) isomers and cyclodienes on GABA-induced Cl- flux was studied in primary cultures of neocortical neurons by measuring the GABA-stimulated 36Cl- uptake. GABA induced a dose-dependent chloride uptake. The convulsant agents gamma-HCH and cyclodienes alpha-endosulfan, dieldrin and aldrin(More)
The effect of lindane (gamma-hexachlorocyclohexane) on [35S]t-butylbicyclophosphorothionate ([35S]TBPS) binding and GABA-stimulated 36Cl- influx was investigated in cultured cerebral cortical neurons. In addition, the cytotoxic action of lindane as well as a protection by GABA and flunitrazepam were studied together with the ability of lindane to increase(More)
The characteristics of the picrotoxinin binding site present on the gamma-aminobutyric acidA (GABAA) receptor were studied in neurons using primary cultures of cerebellar granule cells. The binding properties of these sites in intact cultured cells were compared with those measured in cultured cell membrane preparations. t-[35S]Butylbicyclophosphorothionate(More)
Allosterism between gamma-aminobutyric acid (GABA), benzodiazepine and picrotoxinin recognition sites on the GABAA receptor was studied in primary cultures of cerebellar granule cells. The increase in [3H]flunitrazepam binding induced by GABA was inhibited by bicuculline and picrotoxinin and the decrease in [35S]t-butylbicyclophosphorothionate ([35S]TBPS)(More)
Primary cultures from cortical neuronal cells were used to study the effect of organochlorine pesticides on GABA-dependent Cl- fluxes. In this system cyclodienes inhibited GABA-induced 36Cl- uptake with similar potencies to those described using brain synaptoneurosomes whereas lindane showed greater potency than that described using other in vitro systems.(More)
We describe the first case of Streptococcus suis meningitis in the north-east of Italy. We would like to stress that Streptococcus suis should be seriously considered in the differential diagnosis of human meningitis especially in adults with a recent history of close contact with pigs or unprocessed pork meat.
We herein describe the case of Lysteria monocytogenes meningitis. The isolation and identification of the bacteria causing the infection ollowed the antibiotic treatment followed by complete remission. Our data also support the hypothesis on intense immunological response producing a favourable evolution of the disease.
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