The impact of immunogenetics and clinical factors on the outcome of unrelated cord blood transplantation: The Milano Cord Blood Bank data

Marta Serafini, Francesca Poli, Rosanna Torelli, Katharina Fleischhauer, Elisabetta Zino, Alejandro Espadas de Arias, Elena Longhi, Sara Frison, Katherina Karpasitou, Ilaria Pezzali, Lucilla Lecchi, Mario Scalamogna

Research output: Contribution to journalArticle

Abstract

In this article we examined the role of HLA incompatibility, of KIR C1 and C2 ligands and of other clinical factors on 99 cord blood transplants performed using single units from Milano Cord Blood Bank (MICB). We analyzed the occurrence of rejection, overall patient survival (OS) and occurrence of acute GvHD ≥2 grade (severe aGvHD). No correlation was found between the end points and the number of HLA-A,-B, -DRB1 and -DQB1 mismatches. Only HLA-C disparities are associated with the occurrence of rejection (P = 0.03). Our results showed that the presence of the C1 ligand in the donor decreased the occurrence of aGvHD (grade ≥2) in the recipient while recipients of donors expressing the C2 KIR ligand experienced more frequently aGvHD (P = 0.03). The HLA-C1 ligand, therefore, proved to have a protective effect towards severe aGvHD. The probability of rejection increased in KIR epitope-mismatched recipient/donor pairs (P = 0.01). Finally the stage of disease at transplantation and cell dose were important for patient survival (P = 0.003, P = 0.048 respectively).

Original languageEnglish
Pages (from-to)283-288
Number of pages6
JournalTransfusion and Apheresis Science
Volume42
Issue number3
DOIs
Publication statusPublished - Jun 2010

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Immunogenetics
Blood Banks
Fetal Blood
Transplantation
Ligands
Tissue Donors
HLA-C Antigens
HLA-A Antigens
HLA-B Antigens
Survival
Cell Transplantation
Epitopes
Transplants

ASJC Scopus subject areas

  • Hematology
  • Medicine(all)

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The impact of immunogenetics and clinical factors on the outcome of unrelated cord blood transplantation : The Milano Cord Blood Bank data. / Serafini, Marta; Poli, Francesca; Torelli, Rosanna; Fleischhauer, Katharina; Zino, Elisabetta; Arias, Alejandro Espadas de; Longhi, Elena; Frison, Sara; Karpasitou, Katherina; Pezzali, Ilaria; Lecchi, Lucilla; Scalamogna, Mario.

In: Transfusion and Apheresis Science, Vol. 42, No. 3, 06.2010, p. 283-288.

Research output: Contribution to journalArticle

Serafini, Marta ; Poli, Francesca ; Torelli, Rosanna ; Fleischhauer, Katharina ; Zino, Elisabetta ; Arias, Alejandro Espadas de ; Longhi, Elena ; Frison, Sara ; Karpasitou, Katherina ; Pezzali, Ilaria ; Lecchi, Lucilla ; Scalamogna, Mario. / The impact of immunogenetics and clinical factors on the outcome of unrelated cord blood transplantation : The Milano Cord Blood Bank data. In: Transfusion and Apheresis Science. 2010 ; Vol. 42, No. 3. pp. 283-288.
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