Synaptic effects of neurotransmitter analogue effects of neurotransmitter analogues and antileptic drugs in the brain of norma and epileptic experimental animals

Abstract

The aim of the study presented here is to contribute to the investigation of epileptogenesis. The study is divided in three parts. The first part investigates possible mechanisms of inherited epileptogenesis in the epileptic mutant mouse tottering (tg/tg) by examining the following questions: 1) The function of cholinergic system in the cerebral cortex (through determination of the activity and kinetic properties of enzyme ChAT). 2) The physiological neuronal excitability and its changes due to: a) the increase (+2mM) of extracellular Κ⁺, b) the activation of NMDA receptors and c) the application of 10μΜ Adenosine (endogenous substance with antiepileptic properties). Epileptic mice (tg/tg) and phenotypically normal controls (tg/+ or +/+) were used for all the experiments (1 and 2), which employed respectively a radiochemical method (1) and in vitro recordings of field potentials from the pyramidal cells of hippocampal area CA₁ (2). Postsynaptic excitability as expressed by the PS/fEPSP ...
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DOI
10.12681/eadd/1310
Handle URL
http://hdl.handle.net/10442/hedi/1310
ND
1310
Alternative title
Συναπτική δράση παραγώγων νευροδιαβιβαστών και αντιεπιληπτικών φαρμάκων στον εγκέφαλο φυσιολογικών και επιληπτικών πειραματοζώων
Author
Psarropoulou, Caterina (Father's name: T.)
Date
1990
Degree Grantor
University of Patras
Committee members
Κωστόπουλος Γεώργιος
Κούβελας Ηλίας
Αγγελάτου Φεβρωνία
Καφετζόπουλος Ευάγγελος
Κουνινιώτου-Κροντήρη Παναγιώτα
Discipline
Medical and Health SciencesBasic Medicine
Medical and Health SciencesHealth Sciences
Keywords
Adenosine; Antiepileptics; Epileptogenesis; Hippocampus; Long term potentiation; N-methyl-D-aspartate receptors; Ontogenesis; Potassium ions; Tottering mice
Country
Greece
Language
Greek
Description
184 σ.
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