Selection of allogeneic hematopoietic cell transplant donors to optimize natural killer cell alloreactivity Review


Authors: Shaffer, B. C.; Hsu, K. C.
Review Title: Selection of allogeneic hematopoietic cell transplant donors to optimize natural killer cell alloreactivity
Abstract: Natural killer (NK) cells are potent mediators of the graft versus leukemia phenomenon critical to the success of allogeneic hematopoietic cell transplantation. Central to calibrating NK effector function via their interaction with class I human leukocyte antigens are the numerous inhibitory killer Ig-like receptors (KIR). The KIR receptors are encoded by a family of polymorphic genes, whose expression is largely stochastic and uninfluenced by human leukocyte antigens genotype. These features provide the opportunity to select hematopoietic cell donors with favorable KIR genotypes that confer enhanced protection from relapse via NK-mediated graft versus leukemia. Over the last 2 decades, a large body of work has emerged examining the use of KIR genotyping to stratify potential donors based on anticipated NK alloreactivity. Overall, these results support KIR-based donor selection for patients undergoing allogeneic hematopoietic cell transplantation for a diagnosis of acute myelogenous leukemia. Despite this, the underlying factors that control NK cell responsiveness are not completely understood, and opportunities remain to refine donor selection using NK cell receptor genotyping. In this review, we will summarize the relevant findings with respect to KIR genotyping as a selection parameter for allogeneic hematopoietic cell donors and address practical considerations with respect to KIR-based selection of donors for patients with myeloid neoplasia. © 2020 Elsevier Inc.
Keywords: hla; allogeneic hematopoietic cell transplantation; acute myeloid leukemia; natural killer cells; kir
Journal Title: Seminars in Hematology
Volume: 57
Issue: 4
ISSN: 0037-1963
Publisher: W.B. Saunders Co-Elsevier Inc.  
Date Published: 2020-10-01
Start Page: 167
End Page: 174
Language: English
DOI: 10.1053/j.seminhematol.2020.10.005
PUBMED: 33256909
PROVIDER: scopus
PMCID: PMC7708684
DOI/URL:
Notes: Article -- Export Date: 4 January 2021 -- Source: Scopus
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  1. Katharine C Hsu
    184 Hsu
  2. Brian Carl Shaffer
    164 Shaffer