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Interactions amongst imprinted genes in endocrine signalling

ReferenceGAN13111
Principal Investigator / Supervisor Dr Gavin Kelsey
Co-Investigators /
Co-Supervisors
Dr Wendy Dean, Professor William Fraser
Institution Babraham Institute
DepartmentDevelopmental Genetics and Imprinting
Funding typeResearch
Value (£) 218,604
StatusCompleted
TypeResearch Grant
Start date 01/10/2000
End date 01/10/2003
Duration36 months

Abstract

Genomic imprinting is a mechanism of gene control by which one parental allele is silenced. Imprinting participates in multiple physiological processes in mammals. An emerging theme is that paternally expressed and maternally expressed genes interact antagonistically in common pathways. In a screen for imprinted genes, we identified two oppositely imprinted transcripts at the Gnas locus. Gnas encodes the G-protein subunit, Gs alpha, which mediates signalling by G-protein coupled receptors. The new transcripts are the paternally expressed Gnasxl, encoding an extra-large isoform of Gs alpha, and maternally expressed Nesp, encoding a protein of neuroendocrine cells. We shall test the hypothesis that Gnasxl and Nesp interact in a pathway mediated by Gs alpha. Knock-outs of Gnasxl and Nesp will be made, and effects on endocrine pathways, in particular PTH action, assessed.

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 Genomics in Animal Function Initiative (GAN) [1998]
Funding SchemeX – not Funded via a specific Funding Scheme
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