期刊
NEUROTOXICOLOGY
卷 26, 期 5, 页码 769-777出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.neuro.2005.02.004
关键词
mossy fiber LTP; kainate receptor; CA3 synapses; Ca2+ stores
There is considerable interest in understanding long-term potentiation (LTP) of glutamatergic synaptic transmission because the molecular mechanisms involved in its induction and expression are believed to be critical for learning and memory There are two distinct,forms of LTP. One hype is triggered by synaptic activation of NMDA receptors and the other is NMDA receptor-independent. The latter type of LTP has been mostly studied at mossy fiber/CA3 synapses. Here we summarise some of our recent studies concerning the mechanisms of the induction of the NMDA receptor-independent from of LTP at these CA3 synapses. This from of LTP is triggered by the synaptic activation of kainate receptors. We also address the importance of Ca2+ availability in the extracellular environment and the release of Ca2+ from, intracellular stores for this form of LTP. (c) 2005 Elsevier Inc. All rights reserved.
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