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Functional analysis of soluble guanylyl cyclase regulation in photoreceptor cells

ReferenceS11816
Principal Investigator / Supervisor Professor Maurice Elphick
Co-Investigators /
Co-Supervisors
Institution Queen Mary University of London
DepartmentSch of Biological and Chemical Sciences
Funding typeResearch
Value (£) 174,344
StatusCompleted
TypeResearch Grant
Start date 01/03/2000
End date 01/03/2003
Duration36 months

Abstract

The enzyme soluble guanylyl cyclase (SGC) mediates physiological effects of the signalling molecule nitric oxide (NO). Drugs that interact with this pathway are used for treatment of several clinical conditions (e.g. angina). Little is known, however, about the role of other biochemical factors (e.g. carbon monoxide (CO), intracellular Ca2+, kinases, phosphodiesterases) in regulating SGC activity in vivo. To address this issue, we will analyse a model invertebrate preparation, the locust eye, where light causes Ca2+-dependent inhibition of SGC activity (Jones and Elphick, 1999). The main aims of the project will be: 1. to determine how light affects the expression and activity of SGC in locust photoreceptor cells and, 2. to examine the role of NO and CO in mediating in vivo activation of SGC in photoreceptor cells.

Summary

unavailable
Committee Closed Committee - Animal Sciences (AS)
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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