Establishing causal relationships from phenotypic, genotypic, and proteomic data. (360G-Wellcome-204979_Z_16_Z)

£233,584

This project aims, using adrenomedullin and hypertension as an exemplar, to demonstrate the utility of using Mendelian randomisation and experimentally validated local-protein quantitative trait loci (pQTL) in combination. Local-pQTL are pQTL that map to the approximate location of their gene-of-origin. I will determine local-pQTL for the protein adrenomedullin in two isolated cohorts, one from Orkney, Scotland, and the other from Vis, Croatia. I will validate the core assumptions underlying Mendelian randomisation for one of these local-pQTL and determine, in vitro, the effects of polymorphisms at this site on ADM (which encodes adrenomedullin) gene expression and protein concentration. Finally, I will perform Mendelian randomisation in large genotyped datasets. Collectively, this will provide evidence for, or against, a causal effect of adrenomedullin on blood pressure, and represents a paradigm for assessing the causal relationships between other protein intermediates and complex traits.

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Grant Details

Amount Awarded 233584
Applicant Surname Bretherick
Approval Committee Internal Decision Panel
Award Date 2016-09-30T00:00:00+00:00
Financial Year 2015/16
Grant Programme: Title PhD Training Fellowship for Clinicians
Internal ID 204979/Z/16/Z
Lead Applicant Dr Andrew Bretherick
Partnership Value 233584
Planned Dates: End Date 2019-07-31T00:00:00+00:00
Planned Dates: Start Date 2016-08-01T00:00:00+00:00
Recipient Org: Country United Kingdom
Region Scotland
Sponsor(s) Prof Brian Walker