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KIR B haplotype donors confer a reduced risk for relapse after haploidentical transplantation in children with ALL

Overview of attention for article published in Blood, August 2014
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Title
KIR B haplotype donors confer a reduced risk for relapse after haploidentical transplantation in children with ALL
Published in
Blood, August 2014
DOI 10.1182/blood-2014-03-565069
Pubmed ID
Authors

Lena Oevermann, Sebastian U Michaelis, Markus Mezger, Peter Lang, Jacek Toporski, Alice Bertaina, Marco Zecca, Lorenzo Moretta, Franco Locatelli, Rupert Handgretinger

Abstract

We analyzed the influence of donor killer-cell immunoglobulin-like receptor (KIR) gene haplotypes on the risk for relapse and the probability of event-free survival (EFS) in children with acute lymphoblastic leukemia who received human leukocyte antigen-haploidentical transplantation of ex vivo T-cell-depleted peripheral blood stem cells. The KIR gene haplotype was evaluated in 85 donors, and the KIR B content score was determined in the 63 KIR haplotype B donors. Patients transplanted from a KIR haplotype B donor had a significantly better EFS than those transplanted from a KIR haplotype A donor (50.6% vs 29.5%, respectively; P = .033). Moreover, a high donor KIR B-content score was associated with a significantly reduced risk for relapse (Log-rank test for trend, P = .026). These data indicate that KIR genotyping should be included in the donor selection algorithm for haploidentical transplantation in children with acute lymphoblastic leukemia with the aim of choosing, whenever possible, a KIR haplotype B donor with a high KIR B-content score.

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Mendeley readers

The data shown below were compiled from readership statistics for 82 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 1%
France 1 1%
Italy 1 1%
Brazil 1 1%
United States 1 1%
Unknown 77 94%

Demographic breakdown

Readers by professional status Count As %
Researcher 23 28%
Student > Ph. D. Student 11 13%
Student > Bachelor 8 10%
Student > Doctoral Student 7 9%
Other 7 9%
Other 11 13%
Unknown 15 18%
Readers by discipline Count As %
Medicine and Dentistry 35 43%
Agricultural and Biological Sciences 11 13%
Biochemistry, Genetics and Molecular Biology 8 10%
Immunology and Microbiology 8 10%
Nursing and Health Professions 2 2%
Other 2 2%
Unknown 16 20%