Table 1.

Donor selection criteria to enhance the GVL effect

CriteriaHLA-matched unrelated-donor or cord-blood HCTT cell–depleted haploidentical HCTT-cell replete haploidentical HCT
NK cell alloreactivity Not clear6,7  Advantage in adult AML and pediatric ALL1,2,4  Not clear7,8  
Mother as donor N/A Advantage13  Father as donor preferred over mother14,73  
Activating KIR genes/B haplotypes Possible advantage17,18  Possible advantage4  Not clear74  
CriteriaHLA-matched unrelated-donor or cord-blood HCTT cell–depleted haploidentical HCTT-cell replete haploidentical HCT
NK cell alloreactivity Not clear6,7  Advantage in adult AML and pediatric ALL1,2,4  Not clear7,8  
Mother as donor N/A Advantage13  Father as donor preferred over mother14,73  
Activating KIR genes/B haplotypes Possible advantage17,18  Possible advantage4  Not clear74  

Evidence for the role of some criteria for donor selection that aim to enhance the GVL effect and reduce leukemia relapse.

N/A, not applicable.

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