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Novel approaches to understand the role of cAMP and co-signaling cascades in synaptic plasticity and brain disorders

Project Overview

Synaptic plasticity is the process where the strength of connections between nerve cells is altered by experience. It is widely believed that synaptic plasticity is used to store information in the brain and is important for learning and memory and other major cognitive processes. The most widely studied form of synaptic plasticity, long-term potentiation (LTP), is a highly complex process which is starting to be understood in some detail. It is believed that errors in this process may explain the cognitive deficits that are associated with major brain disorders such as Alzheimer’s disease and other serious conditions as diverse as chronic pain and anxiety. Therefore understanding LTP is important for not only understanding how our brains store memories but also for developing better treatments for major brain disorders. Dr. Collingridge and his team plan to exploit and further develop novel methods to to study LTP at the level of individual nerve connections with an unprecedented level of resolution. They will use newly developed probes and optical methods for studying some of the biochemical processes that we believe are fundamentally important for LTP. The funding will allow the multidisciplinary team to design and build new probes and modulators of the signaling cascades we believe are dysfunctional in brain disease and chronic pain. They will use state-of-the-art imaging, genetics, and electrophysiology methods to understand the mechanisms of LTP at a greater resolution than hitherto possible. They will also use these methods to decipher how these processes may go wrong in three major disorders that have a huge negative impact on society: Alzheimer’s disease, chronic pain and chronic anxiety.

Principal Investigator

Graham Collingridge , Mount Sinai

Team Members

Kenichi Okamato, Mount Sinai

Min Zhuo, University of Toronto

Zhengping Jia, The Hospital For Sick Children

Peter St. George-Hyslop, University of Toronto

Partners and Donors

Mount Sinai Hospital Foundation of Toronto

Project Ongoing

Novel approaches to understand the role of cAMP and co-signaling cascades in synaptic plasticity and brain disorders

  • Program Type

    Team grants

  • Area of research

    Central Nervous System

  • Disease Area

    Other

  • Competition

    2015 MIRI Team Grants

  • Province

    Ontario

  • Start Date

    2016

  • Total Grant Amount

    $1,850,000

  • Health Canada Contribution

    $925,000

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