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1. New gene functions in megakaryopoiesis and platelet formation.

Author

Gieger C, Radhakrishnan A, Cvejic A, Tang W, Porcu E, Pistis G, Serbanovic-Canic J, Elling U, Goodall AH, Labrune Y, Lopez LM, Mägi R, Meacham S, Okada Y, Pirastu N, Sorice R, Teumer A, Voss K, Zhang W, Ramirez-Solis R, Bis JC, Ellinghaus D, Gögele M, Hottenga JJ, Langenberg C, Kovacs P, O'Reilly PF, Shin SY, Esko T, Hartiala J, Kanoni S, Murgia F, Parsa A, Stephens J, van der Harst P, Ellen van der Schoot C, Allayee H, Attwood A, Balkau B, Bastardot F, Basu S, Baumeister SE, Biino G, Bomba L, Bonnefond A, Cambien F, Chambers JC, Cucca F, D'Adamo P, Davies G, de Boer RA, de Geus EJ, Döring A, Elliott P, Erdmann J, Evans DM, Falchi M, Feng W, Folsom AR, Frazer IH, Gibson QD, Glazer NL, Hammond C, Hartikainen AL, Heckbert SR, Hengstenberg C, Hersch M, Illig T, Loos RJ, Jolley J, Khaw KT, Kühnel B, Kyrtsonis MC, Lagou V, Lloyd-Jones H, Lumley T, Mangino M, Maschio A, Mateo Leach I, McKnight B, Memari Y, Mitchell BD, Montgomery GW, Nakamura Y, Nauck M, Navis G, Nöthlings U, Nolte IM, Porteous DJ, Pouta A, Pramstaller PP, Pullat J, Ring SM, Rotter JI, Ruggiero D, Ruokonen A, Sala C, Samani NJ, Sambrook J, Schlessinger D, Schreiber S, Schunkert H, Scott J, Smith NL, Snieder H, Starr JM, Stumvoll M, Takahashi A, Tang WH, Taylor K, Tenesa A, Lay Thein S, Tönjes A, Uda M, Ulivi S, van Veldhuisen DJ, Visscher PM, Völker U, Wichmann HE, Wiggins KL, Willemsen G, Yang TP, Hua Zhao J, Zitting P, Bradley JR, Dedoussis GV, Gasparini P, Hazen SL, Metspalu A, Pirastu M, Shuldiner AR, Joost van Pelt L, Zwaginga JJ, Boomsma DI, Deary IJ, Franke A, Froguel P, Ganesh SK, Jarvelin MR, Martin NG, Meisinger C, Psaty BM, Spector TD, Wareham NJ, Akkerman JW, Ciullo M, Deloukas P, Greinacher A, Jupe S, Kamatani N, Khadake J, Kooner JS, Penninger J, Prokopenko I, Stemple D, Toniolo D, Wernisch L, Sanna S, Hicks AA, Rendon A, Ferreira MA, Ouwehand WH, and Soranzo N

Subjects
Animals, Blood Platelets metabolism, Cell Size, Drosophila Proteins genetics, Drosophila melanogaster genetics, Europe, Gene Expression Profiling, Gene Silencing, Genome, Human genetics, Genome-Wide Association Study, Humans, Megakaryocytes metabolism, Platelet Count, Protein Interaction Maps, Transcription, Genetic genetics, Zebrafish genetics, Zebrafish Proteins genetics, Blood Platelets cytology, Hematopoiesis genetics, Megakaryocytes cytology
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.

Published
2011
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2. A GWAS sequence variant for platelet volume marks an alternative DNM3 promoter in megakaryocytes near a MEIS1 binding site

Author

Nürnberg ST, Rendon A, Smethurst PA, Paul DS, Voss K, Thon JN, Lloyd Jones H, Sambrook JG, Tijssen MR, Gieger C, Radhakrishnan A, Cvejic A, Tang W, Porcu E, Pistis G, Serbanovic Canic J, Elling U, Goodall AH, Labrune Y, Lopez LM, Mägi R, Meacham S, Okada Y, Sorice R, Teumer A, Zhang W, Ramirez Solis R, Bis JC, Ellinghaus D, Gögele M, Hottenga JJ, Langenberg C, Kovacs P, F. P, Shin SY, Esko T, Hartiala J, Kanoni S, Murgia F, Parsa A, Stephens J, van der Harst P, van der Schoot C, Allayee H, Attwood A, Balkau B, Bastardot F, Basu S, Baumeister SE, Biino G, Bomba L, Bonnefond A, Cambien F, Chambers JC, Cucca F, Davies G, de Geus EJ, de Boer RA, Döring A, Elliott P, Erdmann J, Feng W, Evans DM, Falchi M, Folsom AR, Frazer IH, Gibson QD, Glazer NL, Hammond C, Hartikainen AL, Heckbert SR, Hengstenberg C, Hersch M, Illig T, Loos RJ, Jolley J, Khaw KT, Kühnel B, Kyrtsonis MC, Lagou V, Lumley T, Mangino M, Maschio A, Mateo Leach I, McKnight B, Memari Y, Mitchell BD, Montgomery GW, Nöthlings U, Nakamura Y, Nauck M, Navis G, Nolte IM, Porteous DJ, Pouta A, Pramstaller PP, Pullat J, Ring SM, Rotter JI, Ruggiero D, Ruokonen A, Sala C, Samani NJ, Sambrook J, Schlessinger D, Schreiber S, Schunkert H, Scott J, Smith NL, Snieder H, Starr JM, Stumvoll M, Takahashi A, Taylor K, Tenesa A, Thein SL, Tönjes A, Uda M, Ulivi S, Wichmann HE, Yang TP, van Veldhuisen DJ, Visscher PM, Völker U, Wiggins KL, Willemsen G, Zhao JH, Zitting P, Bradley JR, Dedoussis GV, Hazen SL, Metspalu A, Pirastu M, Shuldiner AR, van Pelt L, Zwaginga JJ, Boomsma DI, Deary IJ, Franke A, Froguel P, Ganesh SK, Jarvelin MR, Martin NG, Meisinger C, Psaty BM, Spector TD, Wareham NJ, Akkerman JW, Ciullo M, Deloukas P, Greinacher A, Jupe S, Kamatani N, Khadake J, Kooner JS, Penninger J, Prokopenko I, Stemple D, Toniolo D, Wernisch L, Sanna S, Hicks AA, Ferreira MA, Italiano JE Jr, Gottgens B, Soranzo N, Ouwehand WH, PIRASTU, Nicola, D'ADAMO, ADAMO PIO, GASPARINI, PAOLO, Nürnberg, St, Rendon, A, Smethurst, Pa, Paul, D, Voss, K, Thon, Jn, Lloyd Jones, H, Sambrook, Jg, Tijssen, Mr, Gieger, C, Radhakrishnan, A, Cvejic, A, Tang, W, Porcu, E, Pistis, G, Serbanovic Canic, J, Elling, U, Goodall, Ah, Labrune, Y, Lopez, Lm, Mägi, R, Meacham, S, Okada, Y, Pirastu, Nicola, Sorice, R, Teumer, A, Zhang, W, Ramirez Solis, R, Bis, Jc, Ellinghaus, D, Gögele, M, Hottenga, Jj, Langenberg, C, Kovacs, P, F., P, Shin, Sy, Esko, T, Hartiala, J, Kanoni, S, Murgia, F, Parsa, A, Stephens, J, van der Harst, P, van der Schoot, C, Allayee, H, Attwood, A, Balkau, B, Bastardot, F, Basu, S, Baumeister, Se, Biino, G, Bomba, L, Bonnefond, A, Cambien, F, Chambers, Jc, Cucca, F, D'Adamo, ADAMO PIO, Davies, G, de Geus, Ej, de Boer, Ra, Döring, A, Elliott, P, Erdmann, J, Feng, W, Evans, Dm, Falchi, M, Folsom, Ar, Frazer, Ih, Gibson, Qd, Glazer, Nl, Hammond, C, Hartikainen, Al, Heckbert, Sr, Hengstenberg, C, Hersch, M, Illig, T, Loos, Rj, Jolley, J, Khaw, Kt, Kühnel, B, Kyrtsonis, Mc, Lagou, V, Lumley, T, Mangino, M, Maschio, A, Mateo Leach, I, Mcknight, B, Memari, Y, Mitchell, Bd, Montgomery, Gw, Nöthlings, U, Nakamura, Y, Nauck, M, Navis, G, Nolte, Im, Porteous, Dj, Pouta, A, Pramstaller, Pp, Pullat, J, Ring, Sm, Rotter, Ji, Ruggiero, D, Ruokonen, A, Sala, C, Samani, Nj, Sambrook, J, Schlessinger, D, Schreiber, S, Schunkert, H, Scott, J, Smith, Nl, Snieder, H, Starr, Jm, Stumvoll, M, Takahashi, A, Taylor, K, Tenesa, A, Thein, Sl, Tönjes, A, Uda, M, Ulivi, S, Wichmann, He, Yang, Tp, van Veldhuisen, Dj, Visscher, Pm, Völker, U, Wiggins, Kl, Willemsen, G, Zhao, Jh, Zitting, P, Bradley, Jr, Dedoussis, Gv, Gasparini, Paolo, Hazen, Sl, Metspalu, A, Pirastu, M, Shuldiner, Ar, van Pelt, L, Zwaginga, Jj, Boomsma, Di, Deary, Ij, Franke, A, Froguel, P, Ganesh, Sk, Jarvelin, Mr, Martin, Ng, Meisinger, C, Psaty, Bm, Spector, Td, Wareham, Nj, Akkerman, Jw, Ciullo, M, Deloukas, P, Greinacher, A, Jupe, S, Kamatani, N, Khadake, J, Kooner, J, Penninger, J, Prokopenko, I, Stemple, D, Toniolo, D, Wernisch, L, Sanna, S, Hicks, Aa, Ferreira, Ma, Italiano JE, Jr, Gottgens, B, Soranzo, N, Ouwehand, Wh, Biological Psychology, and EMGO+ - Mental Health

Subjects
Netherlands Twin Register (NTR), Transcription, Genetic, Gene Expression, Biochemistry, megakaryocyte, Mice, DNM3 promoter, Transcription (biology), GWAS, Platelet, Thrombopoiesis, Myeloid Ecotropic Viral Integration Site 1 Protein, Promoter Regions, Genetic, Cells, Cultured, Reverse Transcriptase Polymerase Chain Reaction, Hematology, Neoplasm Proteins, Haematopoiesis, Transcription Initiation Site, Megakaryocytes, platelet volume, DNM3, megakaryocytes, MEIS1, Blood Platelets, Chromatin Immunoprecipitation, Immunology, Biology, Polymorphism, Single Nucleotide, MEIS1 binding site, SDG 3 - Good Health and Well-being, Cell Line, Tumor, Animals, Humans, Cell Lineage, Binding site, Gene, Transcription factor, Homeodomain Proteins, Binding Sites, Genome, Human, Platelet Count, Hydrazones, Genetic Variation, Cell Biology, Sequence Analysis, DNA, Platelets and Thrombopoiesis, Molecular biology, Dynamin III
Abstract

We recently identified 68 genomic loci where common sequence variants are associated with platelet count and volume. Platelets are formed in the bone marrow by megakaryocytes, which are derived from hematopoietic stem cells by a process mainly controlled by transcription factors. The homeobox transcription factor MEIS1 is uniquely transcribed in megakaryocytes and not in the other lineage-committed blood cells. By ChIP-seq, we show that 5 of the 68 loci pinpoint a MEIS1 binding event within a group of 252 MK-overexpressed genes. In one such locus in DNM3, regulating platelet volume, the MEIS1 binding site falls within a region acting as an alternative promoter that is solely used in megakaryocytes, where allelic variation dictates different levels of a shorter transcript. The importance of dynamin activity to the latter stages of thrombopoiesis was confirmed by the observation that the inhibitor Dynasore reduced murine proplatelet for-mation in vitro.

Published
2013
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