The human leucocyte antigen-G 14-basepair polymorphism correlates with graft-versus-host disease in unrelated bone marrow transplantation for thalassaemia

  • Giorgio La Nasa
  • , Roberto Littera
  • , Franco Locatelli
  • , Sara Lai
  • , Francesco Alba
  • , Giovanni Caocci
  • , Daniela Lisini
  • , Sonia Nesci
  • , Adriana Vacca
  • , Eugenia Piras
  • , Maria Ester Bernardo
  • , Alessandra Di Cesare-Merlone
  • , Sandro Orrù
  • , Carlo Carcassi

Risultato della ricerca: Contributo in rivistaArticolo

Abstract

The presence of the 14-bp insertion polymorphism of the human leucocyte antigen (HLA)-G gene (HLA-G) promotes immune tolerance through increased synthesis of HLA-G molecules. We investigated this polymorphism in a large cohort of 53 thalassaemia patients transplanted from an unrelated donor. Sixteen patients (30.2%) homozygous for the 14-bp deletion had a higher risk of developing acute graft-versus-host disease (aGvHD) than patients homozygous for the 14-bp insertion (-14-bp/-14-bp vs +14-bp/+14-bp: Relative Risk = 15.0; 95% confidence interval 1.59-141.24; P = 0.008). Therefore, the 14-bp polymorphism could be an important predictive factor for aGvHD following bone marrow transplantation.
Lingua originaleInglese
pagine (da-a)284-288
Numero di pagine5
RivistaBritish Journal of Haematology
Volume139
DOI
Stato di pubblicazionePubblicato - 2007

Keywords

  • human leucocyte antigen-G
  • 14-basepair polymorphism
  • bone marrow transplantation
  • thalassaemia
  • acute graft-versus-host disease

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