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Are bone marrow NMDA receptor positive cells the elusive CFU-Fs?

ReferenceS14571
Principal Investigator / Supervisor Professor T M Skerry
Co-Investigators /
Co-Supervisors
Dr Katherine Dobson
Institution Royal Veterinary College
DepartmentVeterinary Basic Sciences - London
Funding typeResearch
Value (£) 198,680
StatusCompleted
TypeResearch Grant
Start date 01/03/2002
End date 30/09/2004
Duration31 months

Abstract

Pilot studies show that early inhibition of glutamate signalling in marrow cultures causes dramatic reduction in bone formation. We hypothesise that the few glutamate receptor +ve mononuclear cells in marrow are pluripotent CFU-F progenitor cells, or that they influence CFU-Fs. To test the hypothesis, we will determine the effect of GluR antagonists in vivo on numbers of GluR+ve cells and colony formation in vitro. We will sort GluR +ve cells, and characterise their expression of osteoblastic, chondrogenic and adipocytic markers. We will investigate the ability of conditioned media from these cells to influence the differentiation of GluR- ve marrow cells in the presence or absence of neutralising antibodies to candidate paracrine factors.

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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