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Nature Research, Nature, 7376(480), p. 201-208, 2011

DOI: 10.1038/nature10659

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New gene functions in megakaryopoiesis and platelet formation

Journal article published in 2011 by C. Ellen van der Schoot, Christian Gieger ORCID, L. Joost van Pelt, Aparna Radhakrishnan, Ana Cvejic, Weihong Tang, Eleonora Porcu, Jovana Serbanovic-Canic, Reedik Mägi ORCID, Giorgio Pistis, Alison H. Goodall, Reedik Magi, Ulrich Elling, Reedik Maegi, Yann Labrune and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

Platelets are the second most abundant cell type in blood and are essential for maintaining haemostasis. Their count and volume are tightly controlled within narrow physiological ranges, but there is only limited understanding of the molecular processes controlling both traits. Here we carried out a high-powered meta-analysis of genome-wide association studies (GWAS) in up to 66,867 individuals of European ancestry, followed by extensive biological and functional assessment. We identified 68 genomic loci reliably associated with platelet count and volume mapping to established and putative novel regulators of megakaryopoiesis and platelet formation. These genes show megakaryocyte-specific gene expression patterns and extensive network connectivity. Using gene silencing in Danio rerio and Drosophila melanogaster, we identified 11 of the genes as novel regulators of blood cell formation. Taken together, our findings advance understanding of novel gene functions controlling fate-determining events during megakaryopoiesis and platelet formation, providing a new example of successful translation of GWAS to function.