CTLA-4 +49A>G polymorphism of recipients of HLA-matched sibling allogeneic stem cell transplantation is associated with survival and relapse incidence

Patrizia Piccioli, Giuseppe Balbi, Martina Serra, Anna Morabito, Teresa Lamparelli, Marco Gobbi, Stefania Laurent, Beatrice Dozin, Paolo Bruzzi, Anna Maria Ferraris, Andrea Bacigalupo, Rosario Notaro, Maria Pia Pistillo

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Abstract

Conflicting observations have been reported about the role of CTLA-4 gene polymorphisms in the clinical outcome of allogeneic hematopoietic stem cell transplantation (HSCT). We have investigated three polymorphisms of the CTLA-4 gene (-318C>T, +49A>G, CT60G>A) in 133 donor/recipient pairs who underwent HLA-matched sibling donor HSCT for hematological malignancies. We found no association of the clinical outcome of the HSCT with either recipient or donor -318C>T and CT60G>A polymorphisms. At variance, we found a significant association of donor +49A>G G/G genotype with longer overall survival (OS; log-rank test, P∈=∈0.04), and the number of +49A>G G-alleles in the recipient with longer OS (P∈=∈0.027), longer disease-free survival (P∈=∈0.036) and reduced relapse rate (P∈=∈0.042). However, only recipient +49A>G polymorphism was retained as independent prognostic factor in a multivariate analysis, suggesting that the expression of CTLA-4 on the cells of recipient may be relevant for the clinical outcome of HSCT.

Original languageEnglish
Pages (from-to)613-618
Number of pages6
JournalAnnals of Hematology
Volume89
Issue number6
DOIs
Publication statusPublished - Jun 2010

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Hematopoietic Stem Cell Transplantation
Stem Cell Transplantation
Recurrence
Incidence
Hematologic Neoplasms
Genes
Disease-Free Survival
Multivariate Analysis
Alleles
Genotype

Keywords

  • CTLA-4 polymorphism
  • Disease relapse
  • Survival
  • Transplant outcome

ASJC Scopus subject areas

  • Hematology

Cite this

CTLA-4 +49A>G polymorphism of recipients of HLA-matched sibling allogeneic stem cell transplantation is associated with survival and relapse incidence. / Piccioli, Patrizia; Balbi, Giuseppe; Serra, Martina; Morabito, Anna; Lamparelli, Teresa; Gobbi, Marco; Laurent, Stefania; Dozin, Beatrice; Bruzzi, Paolo; Ferraris, Anna Maria; Bacigalupo, Andrea; Notaro, Rosario; Pistillo, Maria Pia.

In: Annals of Hematology, Vol. 89, No. 6, 06.2010, p. 613-618.

Research output: Contribution to journalArticle

Piccioli, Patrizia ; Balbi, Giuseppe ; Serra, Martina ; Morabito, Anna ; Lamparelli, Teresa ; Gobbi, Marco ; Laurent, Stefania ; Dozin, Beatrice ; Bruzzi, Paolo ; Ferraris, Anna Maria ; Bacigalupo, Andrea ; Notaro, Rosario ; Pistillo, Maria Pia. / CTLA-4 +49A>G polymorphism of recipients of HLA-matched sibling allogeneic stem cell transplantation is associated with survival and relapse incidence. In: Annals of Hematology. 2010 ; Vol. 89, No. 6. pp. 613-618.
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