alexa A meta-analysis of 120 246 individuals identifies 18 new loci for fibrinogen concentration.
Psychiatry

Psychiatry

Journal of Addiction Research & Therapy

Author(s): de Vries PS, Chasman DI, SabaterLleal M, Chen MH, Huffman JE,

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Abstract Genome-wide association studies have previously identified 23 genetic loci associated with circulating fibrinogen concentration. These studies used HapMap imputation and did not examine the X-chromosome. 1000 Genomes imputation provides better coverage of uncommon variants, and includes indels. We conducted a genome-wide association analysis of 34 studies imputed to the 1000 Genomes Project reference panel and including ∼120 000 participants of European ancestry (95 806 participants with data on the X-chromosome). Approximately 10.7 million single-nucleotide polymorphisms and 1.2 million indels were examined. We identified 41 genome-wide significant fibrinogen loci; of which, 18 were newly identified. There were no genome-wide significant signals on the X-chromosome. The lead variants of five significant loci were indels. We further identified six additional independent signals, including three rare variants, at two previously characterized loci: FGB and IRF1. Together the 41 loci explain 3\% of the variance in plasma fibrinogen concentration. © The Author 2015. Published by Oxford University Press. All rights reserved. For Permissions, please email: [email protected]
This article was published in Hum Mol Genet and referenced in Journal of Addiction Research & Therapy

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