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Regulation of neuronal P2X-purinoceptor trafficking and function

ReferenceC19497
Principal Investigator / Supervisor Dr Ruth Murrell-Lagnado
Co-Investigators /
Co-Supervisors
Institution University of Cambridge
DepartmentPharmacology
Funding typeResearch
Value (£) 179,824
StatusCompleted
TypeResearch Grant
Start date 01/05/2003
End date 31/10/2006
Duration42 months

Abstract

The regulated trafficking of ionotropic receptors into and out of the plasma membrane provides a mechanism for rapidly modulating synaptic currents. We have shown that P2X2 and P2X4 purinoceptors heterologously expressed in neurones act presynaptically to enhance the release of glutamate and yet they display dramatically different trafficking behaviours. P2X4 undergoes rapid internalisation and recycling, whereas P2X2 is stable at the plasma membrane. Our aim is to understand the regulation of P2X receptor trafficking and function, the role of receptor cycling in determining the response to ATP and the contribution of individual P2X subunits and in determining how the surface expression of heteromeric receptors is modulated.

Summary

unavailable
Committee Closed Committee - Biochemistry & Cell Biology (BCB)
Research TopicsX – not assigned to a current Research Topic
Research PriorityX – Research Priority information not available
Research Initiative X - not in an Initiative
Funding SchemeX – not Funded via a specific Funding Scheme
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