Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation

This paper conducts a literature review on the role of natural killer cells in haploidentical hematopoietic stem cell transplantation. Theoretical concepts related to <i>KIR</i> genes are introduced regarding their structure, nomenclature, genetic organization, polymorphism, and inherita...

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Main Authors: Mar Luis-Hidalgo, José Luis Piñana, Carlos Solano, Dolores Planelles
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Cells
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Online Access:https://www.mdpi.com/2073-4409/14/14/1091
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author Mar Luis-Hidalgo
José Luis Piñana
Carlos Solano
Dolores Planelles
author_facet Mar Luis-Hidalgo
José Luis Piñana
Carlos Solano
Dolores Planelles
author_sort Mar Luis-Hidalgo
collection DOAJ
description This paper conducts a literature review on the role of natural killer cells in haploidentical hematopoietic stem cell transplantation. Theoretical concepts related to <i>KIR</i> genes are introduced regarding their structure, nomenclature, genetic organization, polymorphism, and inheritance pattern, types of KIR proteins and receptors, HLA ligands for KIR receptors, and the definition of different NK alloreactivity prediction models for the donor of haploidentical hematopoietic stem cell transplantation and the recipient. These models include the following and consider incompatibility: ligand–ligand, receptor–ligand, gene–gene, and KIR haplotype models or the <i>KIR-B</i> donor group. These models consider the presence or absence of specific ligands or receptors and/or <i>KIR</i> genes in the donor and recipient to predict alloreactivity. Determining the best model for predicting KIR alloreactivity and its significance in donor selection algorithms for haploidentical transplantation is still under investigation.
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institution Kabale University
issn 2073-4409
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publishDate 2025-07-01
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series Cells
spelling doaj-art-d7dacedf8fcc4455bd25a72bf32f17e42025-08-20T03:58:31ZengMDPI AGCells2073-44092025-07-011414109110.3390/cells14141091Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell TransplantationMar Luis-Hidalgo0José Luis Piñana1Carlos Solano2Dolores Planelles3Centro de Transfusión de la Comunidad Valenciana, 46014 Valencia, SpainHospital Clínico Universitario de Valencia, 46010 Valencia, SpainHospital Clínico Universitario de Valencia, 46010 Valencia, SpainCentro de Transfusión de la Comunidad Valenciana, 46014 Valencia, SpainThis paper conducts a literature review on the role of natural killer cells in haploidentical hematopoietic stem cell transplantation. Theoretical concepts related to <i>KIR</i> genes are introduced regarding their structure, nomenclature, genetic organization, polymorphism, and inheritance pattern, types of KIR proteins and receptors, HLA ligands for KIR receptors, and the definition of different NK alloreactivity prediction models for the donor of haploidentical hematopoietic stem cell transplantation and the recipient. These models include the following and consider incompatibility: ligand–ligand, receptor–ligand, gene–gene, and KIR haplotype models or the <i>KIR-B</i> donor group. These models consider the presence or absence of specific ligands or receptors and/or <i>KIR</i> genes in the donor and recipient to predict alloreactivity. Determining the best model for predicting KIR alloreactivity and its significance in donor selection algorithms for haploidentical transplantation is still under investigation.https://www.mdpi.com/2073-4409/14/14/1091alloreactivitynatural killerhaploidentical hematopoietic stem cell transplantation
spellingShingle Mar Luis-Hidalgo
José Luis Piñana
Carlos Solano
Dolores Planelles
Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
Cells
alloreactivity
natural killer
haploidentical hematopoietic stem cell transplantation
title Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
title_full Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
title_fullStr Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
title_full_unstemmed Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
title_short Natural Killer (NK) Cell Alloreactivity in Haploidentical Stem Cell Transplantation
title_sort natural killer nk cell alloreactivity in haploidentical stem cell transplantation
topic alloreactivity
natural killer
haploidentical hematopoietic stem cell transplantation
url https://www.mdpi.com/2073-4409/14/14/1091
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AT joseluispinana naturalkillernkcellalloreactivityinhaploidenticalstemcelltransplantation
AT carlossolano naturalkillernkcellalloreactivityinhaploidenticalstemcelltransplantation
AT doloresplanelles naturalkillernkcellalloreactivityinhaploidenticalstemcelltransplantation