Excitatory actions of gaba during development: the nature of the nurture

Author:

Ben-Ari Yehezkel

Publisher

Springer Science and Business Media LLC

Subject

General Neuroscience

Reference125 articles.

1. Ben Ari, Y., Cherubini, E., Corradetti, R. & Gaiarsa, J. L. Giant synaptic potentials in immature rat CA3 hippocampal neurones. J. Physiol. (Lond.) 416, 303–325 (1989).A description of the three 'rules': GABA is excitatory then inhibitory; GABA-synapse formation precedes glutamatergic-synapse formation; and GDPs are present in neonatal hippocampal neurons. These conclusions are based on intracellular recordings from a large sample of pyramidal neurons from birth to P14.

2. Obata, K., Oide, M. & Tanaka, H. Excitatory and inhibitory actions of GABA and glycine on embryonic chick spinal neurons in culture. Brain Res. 144, 179–184 (1978).

3. Leinekugel, X., Tseeb, V., Ben Ari, Y. & Bregestovski, P. Synaptic GABAA activation induces Ca2+ rise in pyramidal cells and interneurons from rat neonatal hippocampal slices. J. Physiol. (Lond.) 487, 319–329 (1995).

4. Khazipov, R., Leinekugel, X., Khalilov, I., Gaiarsa, J. L. & Ben Ari, Y. Synchronization of GABAergic interneuronal network in CA3 subfield of neonatal rat hippocampal slices. J. Physiol. (Lond.) 498, 763–772 (1997).

5. Leinekugel, X., Medina, I., Khalilov, I., Ben Ari, Y. & Khazipov, R. Ca2+ oscillations mediated by the synergistic excitatory actions of GABAA and NMDA receptors in the neonatal hippocampus. Neuron 18, 243–255 (1997).A demonstration of the synergistic actions of GABA and NMDA receptors. Using confocal microscopy to visualize calcium changes, together with single-NMDA-channel recordings, the authors show that GABA alters the affinity of the NMDA channel for magnesium, leading to more calcium influx in immature neurons.

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