4.8 Article

Genome-wide association study identifies variants in TMPRSS6 associated with hemoglobin levels

Journal

NATURE GENETICS
Volume 41, Issue 11, Pages 1170-1172

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/ng.462

Keywords

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Funding

  1. British Heart Foundation [SP/04/002]
  2. Wellcome Trust
  3. Academy of Finland [104781, 120315]
  4. University Hospital Oulu, Biocenter, University of Oulu, Finland
  5. National Heart, Lung, and Blood Institute (US) [5R01HL087679-02, 1RL1MH083268-01]
  6. ENGAGE
  7. Medical Research Council (UK) [G0500539, G0600705]
  8. Wellcome Trust (UK) [GR069224]
  9. Research Council UK
  10. Academy of Finland and Biocentrum Helsinki
  11. [HEALTH-F4-2007-201413]
  12. Biotechnology and Biological Sciences Research Council [BB/F020481/1] Funding Source: researchfish
  13. Medical Research Council [G0801056B, G0601966, G0801056, G0600705, G0700931] Funding Source: researchfish
  14. National Institute for Health Research [NF-SI-0507-10315] Funding Source: researchfish
  15. BBSRC [BB/F020481/1] Funding Source: UKRI
  16. MRC [G0700931, G0801056, G0601966, G0600705] Funding Source: UKRI

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We carried out a genome-wide association study of hemoglobin levels in 16,001 individuals of European and Indian Asian ancestry. The most closely associated SNP (rs855791) results in nonsynonymous (V736A) change in the serine protease domain of TMPRSS6 and a blood hemoglobin concentration 0.13 (95% CI 0.09-0.17) g/dl lower per copy of allele A (P = 1.6 x 10(-13)). Our findings suggest that TMPRSS6, a regulator of hepcidin synthesis and iron handling, is crucial in hemoglobin level maintenance.

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