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DTSTART;TZID=America/Los_Angeles:20231024T110000
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DTSTAMP:20260421T085646
CREATED:20230928T212745Z
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UID:10000424-1698145200-1698148800@brain.uci.edu
SUMMARY:Roger Nicoll\, M.D.
DESCRIPTION:Join the Center for the Neurobiology of Learning and Memory (CNLM) and the Department of Anatomy and Neurobiology for a hybrid event featuring Dr. Roger Nicoll\, professor of cellular and molecular pharmacology at the University of California\, San Francisco. \nThe Biochemistry of Memory: A (not so) New and Specific Hypothesis \nEvent is jointly sponsored through the CNLM Colloquium Series and the Anatomy and Neurobiology Seminar Series. \nThis event will be held in-person in the Herklotz Conference Center and virtually via Zoom. \n \nDescription: \n\nCaMKII and long-term potentiation (LTP) were discovered within a decade of each other and have been inextricably intertwined ever since. In 1984 Francis Crick proposed that a memory molecule should possess two properties. First\, it should be a multimeric protein with identical subunits that can phosphorylate one another. Second\, to address how memories outlast molecular turnover he proposed that naïve unphosphorylated subunits could exchange into the phosphorylated multimer and become phosphorylated. Within two years biochemical studies established that CaMKII satisfied the first prediction. Recent biochemical studies have shown that unphosphorylated CaMKII subunits can exchange into phosphorylated CaMKII multimers\, thus satisfying Crick’s second prediction. My talk will focus on linking the biochemical properties of CaMKII to LTP. I will show that the autophosphorylation of CaMKII maintains LTP (memory) by establishing a stable CaMKII/NMDA receptor complex\, resulting in the synaptic capture of AMPA receptors. LTP survives the protein turnover of CaMKII\, which is complete within 2 weeks\, by its phosphorylation of newly synthesized naïve CaMKII molecules.
URL:https://brain.uci.edu/event/roger-nicoll-m-d/
LOCATION:CNLM Herklotz Conference Center and Virtually via Zoom
CATEGORIES:Faculty,Scientific,Staff,Students
ATTACH;FMTTYPE=image/jpeg:https://brain.uci.edu/wp-content/uploads/sites/49/2023/09/Roger-Nicoll-464x464-1.jpg
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