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Variants in ELL2 influencing immunoglobulin levels associate with multiple myeloma

  • B. Swaminathan
  • , G. Thorleifsson
  • , M. Joud
  • , M. Ali
  • , E. Johnsson
  • , R. Ajore
  • , P. Sulem
  • , B.M. Halvarsson
  • , G. Eyjolfsson
  • , V. Haraldsdottir
  • , C. Hultman
  • , E. Ingelsson
  • , S.Y. Kristinsson
  • , A.K. Kahler
  • , S. Lenhoff
  • , G. Masson
  • , U.H. Mellqvist
  • , R. Mansson
  • , S. Nelander
  • , I. Olafsson
  • O. Sigurethardottir, H. Steingrimsdottir, A.J. Vangsted, Ulla Birgitte Vogel, A. Waage, H. Nahi, D.F. Gudbjartsson, T. Rafnar, I. Turesson, U. Gullberg, K. Stefansson, M. Hansson, U. Thorsteinsdottir, B. Nilsson

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Abstract

[Open access] Multiple myeloma (MM) is characterized by an uninhibited, clonal growth of plasma cells. While first-degree relatives of patients with MM show an increased risk of MM, the genetic basis of inherited MM susceptibility is incompletely understood. Here we report a genome-wide association study in the Nordic region identifying a novel MM risk locus at ELL2 (rs56219066T; odds ratio (OR)=1.25; P=9.6 x 10(-10)). This gene encodes a stoichiometrically limiting component of the super-elongation complex that drives secretory-specific immunoglobulin mRNA production and transcriptional regulation in plasma cells. We find that the MM risk allele harbours a Thr298Ala missense variant in an ELL2 domain required for transcription elongation. Consistent with a hypomorphic effect, we find that the MM risk allele also associates with reduced levels of immunoglobulin A (IgA) and G (IgG) in healthy subjects (P=8.6 x 10(-9) and P=6.4 x 10(-3), respectively) and, potentially, with an increased risk of bacterial meningitis (OR=1.30; P=0.0024)
OriginalsprogEngelsk
TidsskriftNature Communications
Vol/bind6
Sider (fra-til)7213-
ISSN2041-1723
DOI
StatusUdgivet - 2015

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