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Genomic evaluation of circulating proteins for drug target characterisation and precision medicine

Folkersen, L.; Gustafsson, S.; Wang, Q.; Hvidberg Hansen, D.; Hedman, A. K.; Schork, A.; Page, K.; Zhernakova, D. V.; Wu, Y.; Peters, J.; Ericsson, N.; Bergen, S. E.; Boutin, T.; Bretherick, A. D.; Enroth, S.; Kalnapenkis, A.; Gadin, J. R.; Suur, B.; Chen, Y.; Matic, L.; Gale, J. D.; Lee, J.; Zhang, W.; Quazi, A.; Ala-Korpela, M.; Choi, S. H.; Claringbould, A.; Danesh, J.; Davey-Smith, G.; de Masi, F.; Elmstahl, S.; Engstrom, G.; Fauman, E.; Fernandez, C.; Franke, L.; Franks, P.; Giedraitis, V.; Haley, C.; Hamsten, A.; Ingason, A.; Johansson, A.; Joshi, P. K.; Lind, L.; Lindgren, C. M.; Lubitz

2020-04-06 genetics
10.1101/2020.04.03.023804 bioRxiv
Show abstract

Circulating proteins are vital in human health and disease and are frequently used as biomarkers for clinical decision-making or as targets for pharmacological intervention. By mapping and replicating protein quantitative trait loci (pQTL) for 90 cardiovascular proteins in over 30,000 individuals, we identified 467 pQTLs for 85 proteins. The pQTLs were used in combination with other sources of information to evaluate known drug targets, and suggest new target candidates or repositioning opportunities, underpinned by a) causality assessment using Mendelian randomization, b) pathway mapping using trans-pQTL gene assignments, and c) protein-centric polygenic risk scores enabling matching of plausible target mechanisms to sub-groups of individuals enabling precision medicine.

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