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2007年学术活动

学术报告--Molecular mechanisms of neurotransmitter release

发布时间:2007年06月07日

报告题目:Molecular mechanisms of neurotransmitter release

报 告 人:George J. Augustine, Ph.D.

Department of Neurobiology, Duke University Medical Center.

地 点:所图书馆二层报告厅

时 间:2007年6月14日(周四) 10:30 a.m.

主 持 人:徐涛 研究员

报告人简介:

Dr. Augustine's lab is interested in the function of synaptic connections between nerve cells. Experiments in the lab employ electrophysiological, molecular biological, and imaging methods to study the activity of single synapses. Attention is focused on two general questions. First, Dr. Augustine and his colleagues are examining the molecular basis of neurotransmitter release. They are exploring the molecular mechanisms that transduce a rise in neuronal Ca concentration into the exocytotic secretion of neurotransmitters, focusing on identifying the roles of proteins that are associated with synaptic vesicles. Second, they are examining the signal transduction pathways underlying long-lasting synaptic plasticity. Their work has identified the role of second messengers, such as Ca and IP3, in mediating long-term synaptic depression in the cerebellum. They are now examining how these signals are converted into the long-lasting changes in glutamate receptor function that yield long-term depression.

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