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Soranzo, N.* ; Rendon, A.* ; Gieger, C. ; Jones, C.I.* ; Watkins, N.A.* ; Menzel, S.* ; Döring, A. ; Stephens, J.* ; Prokisch, H. ; Erber, W.* ; Potter, S.C.* ; Bray, S.L.* ; Burns, P.* ; Jolley, J.* ; Falchi, M.* ; Kühnel, B. ; Erdmann, J.* ; Schunkert, H.* ; Samani, N.J.* ; Illig, T. ; Garner, S.F.* ; Rankin, A.* ; Meisinger, C. ; Bradley, J.R.* ; Thein, S.L.* ; Goodall, A.H.* ; Spector, T.D.* ; Deloukas, P.* ; Ouwehand, W.H.

A novel variant on chromosome 7q22.3 associated with mean platelet volume, counts, and function.

Blood 113, 3831-3837 (2009)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Mean platelet volume (MPV) and platelet count (PLT) are highly heritable and tightly regulated traits. We performed a genome-wide association study for MPV and identified one SNP, rs342293, as having highly significant and reproducible association with MPV (per-G allele effect 0.016 +/- 0.001 log fL; P < 1.08 x 10(-24)) and PLT (per-G effect -4.55 +/- 0.80 10(9)/L; P < 7.19 x 10(-8)) in 8586 healthy subjects. Whole-genome expression analysis in the 1-MB region showed a significant association with platelet transcript levels for PIK3CG (n = 35; P = .047). The G allele at rs342293 was also associated with decreased binding of annexin V to platelets activated with collagen-related peptide (n = 84; P = .003). The region 7q22.3 identifies the first QTL influencing platelet volume, counts, and function in healthy subjects. Notably, the association signal maps to a chromosome region implicated in myeloid malignancies, indicating this site as an important regulatory site for hematopoiesis. The identification of loci regulating MPV by this and other studies will increase our insight in the processes of megakaryopoiesis and proplatelet formation, and it may aid the identification of genes that are somatically mutated in essential thrombocytosis.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter genome-wide association; dependent protein-kinase; blood cell counts; proplatelet formation; transcription factor; differentiated megakaryocytes; gene; microarray; disorders; loci
Sprache
Veröffentlichungsjahr 2009
HGF-Berichtsjahr 2009
ISSN (print) / ISBN 0006-4971
e-ISSN 1528-0020
Zeitschrift Blood
Quellenangaben Band: 113, Heft: 16, Seiten: 3831-3837 Artikelnummer: , Supplement: ,
Verlag American Society of Hematology
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Human Genetics (IHG)
POF Topic(s) 30503 - Chronic Diseases of the Lung and Allergies
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-503900-001
G-503900-003
G-500700-001
PubMed ID 19221038
DOI 10.1182/blood-2008-10-184234
Scopus ID 65549162781
Erfassungsdatum 2009-07-09
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